diff options
Diffstat (limited to 'erts/emulator/beam')
55 files changed, 3499 insertions, 1260 deletions
diff --git a/erts/emulator/beam/atom.c b/erts/emulator/beam/atom.c index fd2adac676..099c00bcf6 100644 --- a/erts/emulator/beam/atom.c +++ b/erts/emulator/beam/atom.c @@ -176,7 +176,7 @@ atom_alloc(Atom* tmpl) /* * Precompute ordinal value of first 3 bytes + 7 bits. - * This is used by utils.c:cmp_atoms(). + * This is used by utils.c:erts_cmp_atoms(). * We cannot use the full 32 bits of the first 4 bytes, * since we use the sign of the difference between two * ordinal values to represent their relative order. diff --git a/erts/emulator/beam/atom.names b/erts/emulator/beam/atom.names index 898f0fd9df..dca8b503bf 100644 --- a/erts/emulator/beam/atom.names +++ b/erts/emulator/beam/atom.names @@ -102,6 +102,7 @@ atom asynchronous atom atom atom atom_used atom attributes +atom await_microstate_accounting_modifications atom await_port_send_result atom await_proc_exit atom await_result @@ -172,6 +173,7 @@ atom const atom context_switches atom control atom copy +atom counters atom cpu atom cpu_timestamp atom cr @@ -209,6 +211,7 @@ atom dsend atom dsend_continue_trap atom dunlink atom duplicate_bag +atom duplicated atom dupnames atom einval atom elib_malloc @@ -269,7 +272,9 @@ atom get_tcw atom getenv atom gather_gc_info_result atom gather_io_bytes +atom gather_microstate_accounting_result atom gather_sched_wall_time_result +atom gather_system_check_result atom getting_linked atom getting_unlinked atom global @@ -360,6 +365,7 @@ atom merge_trap atom meta atom meta_match_spec atom micro_seconds +atom microstate_accounting atom milli_seconds atom min_heap_size atom min_bin_vheap_size @@ -373,6 +379,7 @@ atom monitor atom monitor_nodes atom monitors atom monotonic +atom monotonic_timestamp atom more atom multi_scheduling atom multiline @@ -557,6 +564,7 @@ atom static atom stderr_to_stdout atom stop atom stream +atom strict_monotonic_timestamp atom sunrm atom suspend atom suspended diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index a000935388..0b47fc3586 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -86,7 +86,7 @@ BIF_RETTYPE code_make_stub_module_3(BIF_ALIST_3) ASSERT(modp->curr.num_breakpoints == 0); } - erts_start_staging_code_ix(); + erts_start_staging_code_ix(1); res = erts_make_stub_module(BIF_P, BIF_ARG_1, BIF_ARG_2, BIF_ARG_3); @@ -139,6 +139,25 @@ prepare_loading_2(BIF_ALIST_2) BIF_RET(res); } +BIF_RETTYPE +has_prepared_code_on_load_1(BIF_ALIST_1) +{ + Eterm res; + ProcBin* pb; + + if (!ERTS_TERM_IS_MAGIC_BINARY(BIF_ARG_1)) { + error: + BIF_ERROR(BIF_P, BADARG); + } + + pb = (ProcBin*) binary_val(BIF_ARG_1); + res = erts_has_code_on_load(pb->val); + if (res == NIL) { + goto error; + } + BIF_RET(res); +} + struct m { Binary* code; Eterm module; @@ -163,14 +182,13 @@ exception_list(Process* p, Eterm tag, struct m* mp, Sint exceptions) Eterm* hp = HAlloc(p, 3 + 2*exceptions); Eterm res = NIL; - mp += exceptions - 1; while (exceptions > 0) { if (mp->exception) { res = CONS(hp, mp->module, res); hp += 2; exceptions--; } - mp--; + mp++; } return TUPLE2(hp, tag, res); } @@ -179,8 +197,8 @@ exception_list(Process* p, Eterm tag, struct m* mp, Sint exceptions) BIF_RETTYPE finish_loading_1(BIF_ALIST_1) { - int i; - int n; + Sint i; + Sint n; struct m* p = NULL; Uint exceptions; Eterm res; @@ -201,9 +219,13 @@ finish_loading_1(BIF_ALIST_1) */ n = erts_list_length(BIF_ARG_1); - if (n == -1) { - ERTS_BIF_PREP_ERROR(res, BIF_P, BADARG); - goto done; + if (n < 0) { + badarg: + if (p) { + erts_free(ERTS_ALC_T_LOADER_TMP, p); + } + erts_release_code_write_permission(); + BIF_ERROR(BIF_P, BADARG); } p = erts_alloc(ERTS_ALC_T_LOADER_TMP, n*sizeof(struct m)); @@ -218,29 +240,32 @@ finish_loading_1(BIF_ALIST_1) ProcBin* pb; if (!ERTS_TERM_IS_MAGIC_BINARY(term)) { - ERTS_BIF_PREP_ERROR(res, BIF_P, BADARG); - goto done; + goto badarg; } pb = (ProcBin*) binary_val(term); p[i].code = pb->val; p[i].module = erts_module_for_prepared_code(p[i].code); if (p[i].module == NIL) { - ERTS_BIF_PREP_ERROR(res, BIF_P, BADARG); - goto done; + goto badarg; } BIF_ARG_1 = CDR(cons); } /* * Since we cannot handle atomic loading of a group of modules - * if one or more of them uses on_load, we will only allow one - * element in the list. This limitation is intended to be - * lifted in the future. + * if one or more of them uses on_load, we will only allow + * more than one element in the list if none of the modules + * have an on_load function. */ if (n > 1) { - ERTS_BIF_PREP_ERROR(res, BIF_P, SYSTEM_LIMIT); - goto done; + for (i = 0; i < n; i++) { + if (erts_has_code_on_load(p[i].code) == am_true) { + erts_free(ERTS_ALC_T_LOADER_TMP, p); + erts_release_code_write_permission(); + BIF_ERROR(BIF_P, SYSTEM_LIMIT); + } + } } /* @@ -252,11 +277,27 @@ finish_loading_1(BIF_ALIST_1) */ res = am_ok; - erts_start_staging_code_ix(); + erts_start_staging_code_ix(n); for (i = 0; i < n; i++) { p[i].modp = erts_put_module(p[i].module); + p[i].modp->seen = 0; + } + + exceptions = 0; + for (i = 0; i < n; i++) { + p[i].exception = 0; + if (p[i].modp->seen) { + p[i].exception = 1; + exceptions++; + } + p[i].modp->seen = 1; } + if (exceptions) { + res = exception_list(BIF_P, am_duplicated, p, exceptions); + goto done; + } + for (i = 0; i < n; i++) { if (p[i].modp->curr.num_breakpoints > 0 || p[i].modp->curr.num_traced_exports > 0 || @@ -492,7 +533,7 @@ BIF_RETTYPE delete_module_1(BIF_ALIST_1) } { - erts_start_staging_code_ix(); + erts_start_staging_code_ix(0); code_ix = erts_staging_code_ix(); modp = erts_get_module(BIF_ARG_1, code_ix); if (!modp) { diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index 2a23da4f25..5d471d168b 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -864,7 +864,7 @@ do_call_trace(Process* c_p, BeamInstr* I, Eterm* reg, Eterm* cpp; int return_to_trace = 0; BeamInstr w; - BeamInstr *cp_save; + BeamInstr *cp_save = c_p->cp; Uint32 flags; Uint need = 0; Eterm* E = c_p->stop; diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 4d7b00b032..10f132abfc 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -113,6 +113,9 @@ do { \ #define MAX(x, y) (((x) > (y)) ? (x) : (y)) #endif +#define GET_BIF_MODULE(p) ((Eterm) (((Export *) p)->code[0])) +#define GET_BIF_FUNCTION(p) ((Eterm) (((Export *) p)->code[1])) +#define GET_BIF_ARITY(p) ((Eterm) (((Export *) p)->code[2])) #define GET_BIF_ADDRESS(p) ((BifFunction) (((Export *) p)->code[4])) #define TermWords(t) (((t) / (sizeof(BeamInstr)/sizeof(Eterm))) + !!((t) % (sizeof(BeamInstr)/sizeof(Eterm)))) @@ -718,10 +721,10 @@ void** beam_ops; #define NotEqualImmed(X, Y, Action) if (X == Y) { Action; } #define EqualExact(X, Y, Action) if (!EQ(X,Y)) { Action; } #define NotEqualExact(X, Y, Action) if (EQ(X,Y)) { Action; } -#define Equal(X, Y, Action) if (!CMP_EQ(X,Y)) { Action; } -#define NotEqual(X, Y, Action) if (!CMP_NE(X,Y)) { Action; } -#define IsLessThan(X, Y, Action) if (CMP_GE(X, Y)) { Action; } -#define IsGreaterEqual(X, Y, Action) if (CMP_LT(X, Y)) { Action; } +#define Equal(X, Y, Action) CMP_EQ_ACTION(X,Y,Action) +#define NotEqual(X, Y, Action) CMP_NE_ACTION(X,Y,Action) +#define IsLessThan(X, Y, Action) CMP_LT_ACTION(X,Y,Action) +#define IsGreaterEqual(X, Y, Action) CMP_GE_ACTION(X,Y,Action) #define IsFloat(Src, Fail) if (is_not_float(Src)) { Fail; } @@ -1249,6 +1252,8 @@ void process_main(void) Uint64 start_time = 0; /* Monitor long schedule */ BeamInstr* start_time_i = NULL; + ERTS_MSACC_DECLARE_CACHE_X() /* a cached value of the tsd pointer for msacc */ + ERL_BITS_DECLARE_STATEP; /* Has to be last declaration */ @@ -1302,6 +1307,8 @@ void process_main(void) ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); + ERTS_MSACC_UPDATE_CACHE_X(); + if (erts_system_monitor_long_schedule != 0) { start_time = erts_timestamp_millis(); start_time_i = c_p->i; @@ -2741,11 +2748,21 @@ do { \ */ OpCase(call_bif_e): { - Eterm (*bf)(Process*, Eterm*, BeamInstr*) = GET_BIF_ADDRESS(Arg(0)); + Eterm (*bf)(Process*, Eterm*, BeamInstr*); Eterm result; BeamInstr *next; ErlHeapFragment *live_hf_end; + if (ERTS_MSACC_IS_ENABLED_CACHED_X()) { + if (GET_BIF_MODULE(Arg(0)) == am_ets) { + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS); + } else { + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_BIF); + } + } + + bf = GET_BIF_ADDRESS(Arg(0)); + PRE_BIF_SWAPOUT(c_p); c_p->fcalls = FCALLS - 1; if (FCALLS <= 0) { @@ -2768,6 +2785,12 @@ do { \ PROCESS_MAIN_CHK_LOCKS(c_p); HTOP = HEAP_TOP(c_p); FCALLS = c_p->fcalls; + /* We have to update the cache if we are enabled in order + to make sure no book keeping is done after we disabled + msacc. We don't always do this as it is quite expensive. */ + if (ERTS_MSACC_IS_ENABLED_CACHED_X()) + ERTS_MSACC_UPDATE_CACHE_X(); + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_EMULATOR); if (is_value(result)) { r(0) = result; CHECK_TERM(r(0)); @@ -3452,6 +3475,8 @@ do { \ BifFunction vbf; ErlHeapFragment *live_hf_end; + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_NIF); + DTRACE_NIF_ENTRY(c_p, (Eterm)I[-3], (Eterm)I[-2], (Uint)I[-1]); c_p->current = I-3; /* current and vbf set to please handle_error */ SWAPOUT; @@ -3476,6 +3501,8 @@ do { \ PROCESS_MAIN_CHK_LOCKS(c_p); ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_EMULATOR); + DTRACE_NIF_RETURN(c_p, (Eterm)I[-3], (Eterm)I[-2], (Uint)I[-1]); goto apply_bif_or_nif_epilogue; @@ -3490,6 +3517,13 @@ do { \ * code[3]: &&apply_bif * code[4]: Function pointer to BIF function */ + if (ERTS_MSACC_IS_ENABLED_CACHED_X()) { + if ((Eterm)I[-3] == am_ets) { + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ETS); + } else { + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_BIF); + } + } c_p->current = I-3; /* In case we apply process_info/1,2 or load_nif/1 */ c_p->i = I; /* In case we apply check_process_code/2. */ @@ -3516,7 +3550,12 @@ do { \ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); } - + /* We have to update the cache if we are enabled in order + to make sure no book keeping is done after we disabled + msacc. We don't always do this as it is quite expensive. */ + if (ERTS_MSACC_IS_ENABLED_CACHED_X()) + ERTS_MSACC_UPDATE_CACHE_X(); + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_EMULATOR); DTRACE_BIF_RETURN(c_p, (Eterm)I[-3], (Eterm)I[-2], (Uint)I[-1]); apply_bif_or_nif_epilogue: @@ -3885,7 +3924,7 @@ do { \ Op1 += Arg1; store_bs_add_result: - if (MY_IS_SSMALL((Sint) Op1)) { + if (Op1 <= MAX_SMALL) { Op1 = make_small(Op1); } else { /* @@ -4895,6 +4934,38 @@ do { \ } } + /* This is optimised as an instruction because + it has to be very very fast */ + OpCase(i_perf_counter): { + BeamInstr* next; + ErtsSysPerfCounter ts; + PreFetch(0, next); + + ts = erts_sys_perf_counter(); + + if (IS_SSMALL(ts)) { + r(0) = make_small((Sint)ts); + } else { + TestHeap(ERTS_SINT64_HEAP_SIZE(ts),0); + r(0) = make_big(HTOP); +#if defined(ARCH_32) || HALFWORD_HEAP + if (ts >= (((Uint64) 1) << 32)) { + *HTOP = make_pos_bignum_header(2); + BIG_DIGIT(HTOP, 0) = (Uint) (ts & ((Uint) 0xffffffff)); + BIG_DIGIT(HTOP, 1) = (Uint) ((ts >> 32) & ((Uint) 0xffffffff)); + HTOP += 3; + } + else +#endif + { + *HTOP = make_pos_bignum_header(1); + BIG_DIGIT(HTOP, 0) = (Uint) ts; + HTOP += 2; + } + } + NextPF(0, next); + } + OpCase(i_debug_breakpoint): { HEAVY_SWAPOUT; I = call_error_handler(c_p, I-3, reg, am_breakpoint); diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index d367cce212..f115df935f 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -888,6 +888,23 @@ erts_module_for_prepared_code(Binary* magic) } } +/* + * Return a non-zero value if the module has an on_load function, + * or 0 if it does not. + */ + +Eterm +erts_has_code_on_load(Binary* magic) +{ + LoaderState* stp; + + if (ERTS_MAGIC_BIN_DESTRUCTOR(magic) != loader_state_dtor) { + return NIL; + } + stp = ERTS_MAGIC_BIN_DATA(magic); + return stp->on_load ? am_true : am_false; +} + static void free_loader_state(Binary* magic) { @@ -6219,10 +6236,10 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) BeamInstr* code_base; BeamInstr* fp; byte* info; - int n; + Sint n; int code_size; int rval; - int i; + Sint i; byte* temp_alloc = NULL; byte* bytes; Uint size; @@ -6322,6 +6339,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) code_hdr->literals_end = NULL; code_hdr->literals_off_heap = 0; code_hdr->on_load_function_ptr = NULL; + code_hdr->line_table = NULL; code_hdr->md5_ptr = NULL; /* diff --git a/erts/emulator/beam/beam_ranges.c b/erts/emulator/beam/beam_ranges.c index 5a2b66727a..54c337ee72 100644 --- a/erts/emulator/beam/beam_ranges.c +++ b/erts/emulator/beam/beam_ranges.c @@ -53,6 +53,7 @@ struct ranges { }; static struct ranges r[ERTS_NUM_CODE_IX]; static erts_smp_atomic_t mem_used; +static Range* write_ptr; #ifdef HARD_DEBUG static void check_consistency(struct ranges* p) @@ -72,6 +73,17 @@ static void check_consistency(struct ranges* p) # define CHECK(r) #endif /* HARD_DEBUG */ +static int +rangecompare(Range* a, Range* b) +{ + if (a->start < b->start) { + return -1; + } else if (a->start == b->start) { + return 0; + } else { + return 1; + } +} void erts_init_ranges(void) @@ -88,45 +100,70 @@ erts_init_ranges(void) } void -erts_start_staging_ranges(void) +erts_start_staging_ranges(int num_new) { + ErtsCodeIndex src = erts_active_code_ix(); ErtsCodeIndex dst = erts_staging_code_ix(); + Sint need; if (r[dst].modules) { erts_smp_atomic_add_nob(&mem_used, -r[dst].allocated); erts_free(ERTS_ALC_T_MODULE_REFS, r[dst].modules); - r[dst].modules = NULL; } + + need = r[dst].allocated = r[src].n + num_new; + erts_smp_atomic_add_nob(&mem_used, need); + write_ptr = erts_alloc(ERTS_ALC_T_MODULE_REFS, + need * sizeof(Range)); + r[dst].modules = write_ptr; } void erts_end_staging_ranges(int commit) { - ErtsCodeIndex dst = erts_staging_code_ix(); - - if (commit && r[dst].modules == NULL) { + if (commit) { Sint i; - Sint n; - - /* No modules added, just clone src and remove purged code. */ ErtsCodeIndex src = erts_active_code_ix(); + ErtsCodeIndex dst = erts_staging_code_ix(); + Range* mp; + Sint num_inserted; - erts_smp_atomic_add_nob(&mem_used, r[src].n); - r[dst].modules = erts_alloc(ERTS_ALC_T_MODULE_REFS, - r[src].n * sizeof(Range)); - r[dst].allocated = r[src].n; - n = 0; + mp = r[dst].modules; + num_inserted = write_ptr - mp; for (i = 0; i < r[src].n; i++) { Range* rp = r[src].modules+i; if (rp->start < RANGE_END(rp)) { /* Only insert a module that has not been purged. */ - r[dst].modules[n] = *rp; - n++; + write_ptr->start = rp->start; + erts_smp_atomic_init_nob(&write_ptr->end, + (erts_aint_t)(RANGE_END(rp))); + write_ptr++; + } + } + + /* + * There are num_inserted new range entries (unsorted) at the + * beginning of the modules array, followed by the old entries + * (sorted). We must now sort the entire array. + */ + + r[dst].n = write_ptr - mp; + if (num_inserted > 1) { + qsort(mp, r[dst].n, sizeof(Range), + (int (*)(const void *, const void *)) rangecompare); + } else if (num_inserted == 1) { + /* Sift the new range into place. This is faster than qsort(). */ + Range t = mp[0]; + for (i = 0; i < r[dst].n-1 && t.start > mp[i+1].start; i++) { + mp[i] = mp[i+1]; } + mp[i] = t; } - r[dst].n = n; + r[dst].modules = mp; + CHECK(&r[dst]); erts_smp_atomic_set_nob(&r[dst].mid, - (erts_aint_t) (r[dst].modules + n / 2)); + (erts_aint_t) (r[dst].modules + + r[dst].n / 2)); } } @@ -135,82 +172,29 @@ erts_update_ranges(BeamInstr* code, Uint size) { ErtsCodeIndex dst = erts_staging_code_ix(); ErtsCodeIndex src = erts_active_code_ix(); - Sint i; - Sint n; - Sint need; if (src == dst) { ASSERT(!erts_initialized); /* - * During start-up of system, the indices are the same. - * Handle this by faking a source area. + * During start-up of system, the indices are the same + * and erts_start_staging_ranges() has not been called. */ - src = (src+1) % ERTS_NUM_CODE_IX; - if (r[src].modules) { - erts_smp_atomic_add_nob(&mem_used, -r[src].allocated); - erts_free(ERTS_ALC_T_MODULE_REFS, r[src].modules); + if (r[dst].modules == NULL) { + Sint need = 128; + erts_smp_atomic_add_nob(&mem_used, need); + r[dst].modules = erts_alloc(ERTS_ALC_T_MODULE_REFS, + need * sizeof(Range)); + r[dst].allocated = need; + write_ptr = r[dst].modules; } - r[src] = r[dst]; - r[dst].modules = 0; } - CHECK(&r[src]); - - ASSERT(r[dst].modules == NULL); - need = r[dst].allocated = r[src].n + 1; - erts_smp_atomic_add_nob(&mem_used, need); - r[dst].modules = (Range *) erts_alloc(ERTS_ALC_T_MODULE_REFS, - need * sizeof(Range)); - n = 0; - for (i = 0; i < r[src].n; i++) { - Range* rp = r[src].modules+i; - if (code < rp->start) { - r[dst].modules[n].start = code; - erts_smp_atomic_init_nob(&r[dst].modules[n].end, - (erts_aint_t)(((byte *)code) + size)); - ASSERT(!n || RANGE_END(&r[dst].modules[n-1]) < code); - n++; - break; - } - if (rp->start < RANGE_END(rp)) { - /* Only insert a module that has not been purged. */ - r[dst].modules[n].start = rp->start; - erts_smp_atomic_init_nob(&r[dst].modules[n].end, - (erts_aint_t)(RANGE_END(rp))); - ASSERT(!n || RANGE_END(&r[dst].modules[n-1]) < rp->start); - n++; - } - } - - while (i < r[src].n) { - Range* rp = r[src].modules+i; - if (rp->start < RANGE_END(rp)) { - /* Only insert a module that has not been purged. */ - r[dst].modules[n].start = rp->start; - erts_smp_atomic_init_nob(&r[dst].modules[n].end, - (erts_aint_t)(RANGE_END(rp))); - ASSERT(!n || RANGE_END(&r[dst].modules[n-1]) < rp->start); - n++; - } - i++; - } - - if (n == 0 || code > r[dst].modules[n-1].start) { - r[dst].modules[n].start = code; - erts_smp_atomic_init_nob(&r[dst].modules[n].end, - (erts_aint_t)(((byte *)code) + size)); - ASSERT(!n || RANGE_END(&r[dst].modules[n-1]) < code); - n++; - } - - ASSERT(n <= r[src].n+1); - r[dst].n = n; - erts_smp_atomic_set_nob(&r[dst].mid, - (erts_aint_t) (r[dst].modules + n / 2)); - - CHECK(&r[dst]); - CHECK(&r[src]); + ASSERT(r[dst].modules); + write_ptr->start = code; + erts_smp_atomic_init_nob(&(write_ptr->end), + (erts_aint_t)(((byte *)code) + size)); + write_ptr++; } void diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index bb9165cd79..2654785ffc 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -44,6 +44,7 @@ #include "erl_ptab.h" #include "erl_bits.h" #include "erl_bif_unique.h" +#include "erl_msacc.h" Export *erts_await_result; static Export* flush_monitor_messages_trap = NULL; @@ -54,6 +55,9 @@ Export* erts_format_cpu_topology_trap = NULL; static Export dsend_continue_trap_export; Export *erts_convert_time_unit_trap = NULL; +static Export *await_msacc_mod_trap = NULL; +static erts_smp_atomic32_t msacc; + static Export *await_sched_wall_time_mod_trap; static erts_smp_atomic32_t sched_wall_time; @@ -2143,7 +2147,11 @@ BIF_RETTYPE send_3(BIF_ALIST_3) int connect = !0; Eterm l = opts; Sint result; + DeclareTypedTmpHeap(ErtsSendContext, ctx, BIF_P); + + ERTS_MSACC_PUSH_STATE_M_X(); + UseTmpHeap(sizeof(ErtsSendContext)/sizeof(Eterm), BIF_P); ctx->suspend = !0; @@ -2172,7 +2180,10 @@ BIF_RETTYPE send_3(BIF_ALIST_3) ref = NIL; #endif + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_SEND); result = do_send(p, to, msg, &ref, ctx); + ERTS_MSACC_POP_STATE_M_X(); + if (result > 0) { ERTS_VBUMP_REDS(p, result); if (ERTS_IS_PROC_OUT_OF_REDS(p)) @@ -2288,8 +2299,8 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) Eterm ref; Sint result; DeclareTypedTmpHeap(ErtsSendContext, ctx, p); + ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_SEND); UseTmpHeap(sizeof(ErtsSendContext)/sizeof(Eterm), p); - #ifdef DEBUG ref = NIL; #endif @@ -2300,7 +2311,9 @@ Eterm erl_send(Process *p, Eterm to, Eterm msg) ctx->dss.phase = ERTS_DSIG_SEND_PHASE_INIT; result = do_send(p, to, msg, &ref, ctx); - + + ERTS_MSACC_POP_STATE_M_X(); + if (result > 0) { ERTS_VBUMP_REDS(p, result); if (ERTS_IS_PROC_OUT_OF_REDS(p)) @@ -2824,7 +2837,7 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) { Eterm res; char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_CHARACTERS); - int i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); + Sint i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS); if (i < 0) { erts_free(ERTS_ALC_T_TMP, (void *) buf); @@ -2844,7 +2857,7 @@ BIF_RETTYPE list_to_atom_1(BIF_ALIST_1) BIF_RETTYPE list_to_existing_atom_1(BIF_ALIST_1) { - int i; + Sint i; char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, MAX_ATOM_CHARACTERS); if ((i = intlist_to_buf(BIF_ARG_1, buf, MAX_ATOM_CHARACTERS)) < 0) { @@ -2904,175 +2917,20 @@ BIF_RETTYPE integer_to_list_1(BIF_ALIST_1) /**********************************************************************/ -/* convert a list of ascii ascii integer value to an integer */ - - -#define LTI_BAD_STRUCTURE 0 -#define LTI_NO_INTEGER 1 -#define LTI_SOME_INTEGER 2 -#define LTI_ALL_INTEGER 3 - -static int do_list_to_integer(Process *p, Eterm orig_list, - Eterm *integer, Eterm *rest) -{ - Sint i = 0; - Uint ui = 0; - int skip = 0; - int neg = 0; - Sint n = 0; - int m; - int lg2; - Eterm res; - Eterm* hp; - Eterm *hp_end; - Eterm lst = orig_list; - Eterm tail = lst; - int error_res = LTI_BAD_STRUCTURE; - - if (is_nil(lst)) { - error_res = LTI_NO_INTEGER; - error: - *rest = tail; - *integer = make_small(0); - return error_res; - } - if (is_not_list(lst)) - goto error; - - /* if first char is a '-' then it is a negative integer */ - if (CAR(list_val(lst)) == make_small('-')) { - neg = 1; - skip = 1; - lst = CDR(list_val(lst)); - if (is_not_list(lst)) { - tail = lst; - error_res = LTI_NO_INTEGER; - goto error; - } - } else if (CAR(list_val(lst)) == make_small('+')) { - /* ignore plus */ - skip = 1; - lst = CDR(list_val(lst)); - if (is_not_list(lst)) { - tail = lst; - error_res = LTI_NO_INTEGER; - goto error; - } - } - - /* Calculate size and do type check */ - - while(1) { - if (is_not_small(CAR(list_val(lst)))) { - break; - } - if (unsigned_val(CAR(list_val(lst))) < '0' || - unsigned_val(CAR(list_val(lst))) > '9') { - break; - } - ui = ui * 10; - ui = ui + unsigned_val(CAR(list_val(lst))) - '0'; - n++; - lst = CDR(list_val(lst)); - if (is_nil(lst)) { - break; - } - if (is_not_list(lst)) { - break; - } - } - - tail = lst; - if (!n) { - error_res = LTI_NO_INTEGER; - goto error; - } - - - /* If n <= 8 then we know it's a small int - ** since 2^27 = 134217728. If n > 8 then we must - ** construct a bignum and let that routine do the checking - */ - - if (n <= SMALL_DIGITS) { /* It must be small */ - if (neg) i = -(Sint)ui; - else i = (Sint)ui; - res = make_small(i); - } else { - /* Convert from log10 to log2 by multiplying with 1/log10(2)=3.3219 - which we round up to (3 + 1/3) */ - lg2 = (n+1)*3 + (n+1)/3 + 1; - m = (lg2+D_EXP-1)/D_EXP; /* number of digits */ - m = BIG_NEED_SIZE(m); /* number of words + thing */ - - hp = HAlloc(p, m); - hp_end = hp + m; - - lst = orig_list; - if (skip) - lst = CDR(list_val(lst)); - - /* load first digits (at least one digit) */ - if ((i = (n % D_DECIMAL_EXP)) == 0) - i = D_DECIMAL_EXP; - n -= i; - m = 0; - while(i--) { - m = 10*m + (unsigned_val(CAR(list_val(lst))) - '0'); - lst = CDR(list_val(lst)); - } - res = small_to_big(m, hp); /* load first digits */ - - while(n) { - i = D_DECIMAL_EXP; - n -= D_DECIMAL_EXP; - m = 0; - while(i--) { - m = 10*m + (unsigned_val(CAR(list_val(lst))) - '0'); - lst = CDR(list_val(lst)); - } - if (is_small(res)) - res = small_to_big(signed_val(res), hp); - res = big_times_small(res, D_DECIMAL_BASE, hp); - if (is_small(res)) - res = small_to_big(signed_val(res), hp); - res = big_plus_small(res, m, hp); - } - - if (neg) { - if (is_small(res)) - res = make_small(-signed_val(res)); - else { - Uint *big = big_val(res); /* point to thing */ - *big = bignum_header_neg(*big); - } - } - - if (is_not_small(res)) { - res = big_plus_small(res, 0, hp); /* includes conversion to small */ +/* + * Converts a list of ascii base10 digits to an integer fully or partially. + * Returns result and the remaining tail. + * On error returns: {error,not_a_list}, or {error, no_integer} + */ - if (is_not_small(res)) { - hp += (big_arity(res)+1); - } - } - HRelease(p,hp_end,hp); - } - *integer = res; - *rest = tail; - if (tail != NIL) { - return LTI_SOME_INTEGER; - } - return LTI_ALL_INTEGER; -} BIF_RETTYPE string_to_integer_1(BIF_ALIST_1) { Eterm res; Eterm tail; Eterm *hp; /* must be a list */ - switch (do_list_to_integer(BIF_P,BIF_ARG_1,&res,&tail)) { - /* HAlloc after do_list_to_integer as it - might HAlloc itself (bignum) */ + switch (erts_list_to_integer(BIF_P, BIF_ARG_1, 10, &res, &tail)) { + /* HAlloc after erts_list_to_integer as it might HAlloc itself (bignum) */ case LTI_BAD_STRUCTURE: hp = HAlloc(BIF_P,3); BIF_RET(TUPLE2(hp, am_error, am_not_a_list)); @@ -3087,13 +2945,14 @@ BIF_RETTYPE string_to_integer_1(BIF_ALIST_1) BIF_RETTYPE list_to_integer_1(BIF_ALIST_1) { - /* Using do_list_to_integer is about twice as fast as using + /* Using erts_list_to_integer is about twice as fast as using erts_chars_to_integer because we do not have to copy the entire list */ Eterm res; Eterm dummy; /* must be a list */ - if (do_list_to_integer(BIF_P,BIF_ARG_1,&res,&dummy) != LTI_ALL_INTEGER) { + if (erts_list_to_integer(BIF_P, BIF_ARG_1, 10, + &res, &dummy) != LTI_ALL_INTEGER) { BIF_ERROR(BIF_P,BADARG); } BIF_RET(res); @@ -3101,14 +2960,12 @@ BIF_RETTYPE list_to_integer_1(BIF_ALIST_1) BIF_RETTYPE list_to_integer_2(BIF_ALIST_2) { - /* Bif implementation is about 50% faster than pure erlang, and since we have erts_chars_to_integer now it is simpler as well. This could be optmized further if we did not have to copy the list to buf. */ - int i; - Eterm res; - char *buf = NULL; + Sint i; + Eterm res, dummy; int base; i = erts_list_length(BIF_ARG_1); @@ -3116,31 +2973,16 @@ BIF_RETTYPE list_to_integer_2(BIF_ALIST_2) BIF_ERROR(BIF_P, BADARG); base = signed_val(BIF_ARG_2); - + if (base < 2 || base > 36) BIF_ERROR(BIF_P, BADARG); - /* Take fast path if base it 10 */ - if (base == 10) - return list_to_integer_1(BIF_P,&BIF_ARG_1); - - buf = (char *) erts_alloc(ERTS_ALC_T_TMP, i + 1); - - if (intlist_to_buf(BIF_ARG_1, buf, i) < 0) - goto list_to_integer_1_error; - buf[i] = '\0'; /* null terminal */ - - if ((res = erts_chars_to_integer(BIF_P,buf,i,base)) == THE_NON_VALUE) - goto list_to_integer_1_error; - - erts_free(ERTS_ALC_T_TMP, (void *) buf); + if (erts_list_to_integer(BIF_P, BIF_ARG_1, base, + &res, &dummy) != LTI_ALL_INTEGER) { + BIF_ERROR(BIF_P,BADARG); + } BIF_RET(res); - - list_to_integer_1_error: - erts_free(ERTS_ALC_T_TMP, (void *) buf); - BIF_ERROR(BIF_P, BADARG); - - } +} /**********************************************************************/ @@ -3446,7 +3288,7 @@ static BIF_RETTYPE do_charbuf_to_float(Process *BIF_P,char *buf) { BIF_RETTYPE list_to_float_1(BIF_ALIST_1) { - int i; + Sint i; Eterm res; char *buf = NULL; @@ -3563,7 +3405,7 @@ BIF_RETTYPE list_to_tuple_1(BIF_ALIST_1) Eterm* cons; Eterm res; Eterm* hp; - int len; + Sint len; if ((len = erts_list_length(list)) < 0 || len > ERTS_MAX_TUPLE_SIZE) { BIF_ERROR(BIF_P, BADARG); @@ -3910,7 +3752,7 @@ BIF_RETTYPE display_string_1(BIF_ALIST_1) { Process* p = BIF_P; Eterm string = BIF_ARG_1; - int len = is_string(string); + Sint len = is_string(string); char *str; if (len <= 0) { @@ -3964,7 +3806,7 @@ BIF_RETTYPE halt_1(BIF_ALIST_1) erl_exit(ERTS_ABORT_EXIT, ""); } else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) { - int i; + Sint i; if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE-1)) < 0) { goto error; @@ -4033,7 +3875,7 @@ BIF_RETTYPE halt_2(BIF_ALIST_2) erl_exit(ERTS_ABORT_EXIT, ""); } else if (is_string(BIF_ARG_1) || BIF_ARG_1 == NIL) { - int i; + Sint i; if ((i = intlist_to_buf(BIF_ARG_1, halt_msg, HALT_MSG_SIZE-1)) < 0) { goto error; @@ -4176,7 +4018,7 @@ BIF_RETTYPE list_to_pid_1(BIF_ALIST_1) { Uint a = 0, b = 0, c = 0; char* cp; - int i; + Sint i; DistEntry *dep = NULL; char *buf = (char *) erts_alloc(ERTS_ALC_T_TMP, 65); /* @@ -4586,6 +4428,31 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) default: ERTS_INTERNAL_ERROR("Unknown state"); } +#ifdef ERTS_ENABLE_MSACC + } else if (BIF_ARG_1 == am_microstate_accounting) { + Eterm threads; + if (BIF_ARG_2 == am_true || BIF_ARG_2 == am_false) { + erts_aint32_t new = BIF_ARG_2 == am_true ? ERTS_MSACC_ENABLE : ERTS_MSACC_DISABLE; + erts_aint32_t old = erts_smp_atomic32_xchg_nob(&msacc, new); + Eterm ref = erts_msacc_request(BIF_P, new, &threads); + if (is_non_value(ref)) + BIF_RET(old ? am_true : am_false); + BIF_TRAP3(await_msacc_mod_trap, + BIF_P, + ref, + old ? am_true : am_false, + threads); + } else if (BIF_ARG_2 == am_reset) { + Eterm ref = erts_msacc_request(BIF_P, ERTS_MSACC_RESET, &threads); + erts_aint32_t old = erts_smp_atomic32_read_nob(&msacc); + ASSERT(is_value(ref)); + BIF_TRAP3(await_msacc_mod_trap, + BIF_P, + ref, + old ? am_true : am_false, + threads); + } +#endif } else if (ERTS_IS_ATOM_STR("scheduling_statistics", BIF_ARG_1)) { int what; if (ERTS_IS_ATOM_STR("disable", BIF_ARG_2)) @@ -4915,8 +4782,12 @@ void erts_init_bif(void) await_port_send_result_trap = erts_export_put(am_erts_internal, am_await_port_send_result, 3); await_sched_wall_time_mod_trap - = erts_export_put(am_erlang, am_await_sched_wall_time_modifications, 2); + = erts_export_put(am_erlang, am_await_sched_wall_time_modifications, 2); + await_msacc_mod_trap + = erts_export_put(am_erts_internal, am_await_microstate_accounting_modifications, 3); + erts_smp_atomic32_init_nob(&sched_wall_time, 0); + erts_smp_atomic32_init_nob(&msacc, ERTS_MSACC_IS_ENABLED()); } #ifdef HARDDEBUG diff --git a/erts/emulator/beam/bif.tab b/erts/emulator/beam/bif.tab index 1b8ae8cef5..a6670c10e8 100644 --- a/erts/emulator/beam/bif.tab +++ b/erts/emulator/beam/bif.tab @@ -170,9 +170,12 @@ bif erts_internal:term_type/1 bif erts_internal:map_hashmap_children/1 bif erts_internal:time_unit/0 +bif erts_internal:perf_counter_unit/0 bif erts_internal:is_system_process/1 +bif erts_internal:system_check/1 + # inet_db support bif erlang:port_set_data/2 bif erlang:port_get_data/1 @@ -369,6 +372,7 @@ bif os:getpid/0 bif os:timestamp/0 bif os:system_time/0 bif os:system_time/1 +bif os:perf_counter/0 # # Bifs in the erl_ddll module (the module actually does not exist) @@ -647,6 +651,7 @@ bif binary:split/2 bif binary:split/3 bif erts_debug:size_shared/1 bif erts_debug:copy_shared/1 +bif erlang:has_prepared_code_on_load/1 # # Obsolete diff --git a/erts/emulator/beam/big.c b/erts/emulator/beam/big.c index 02d37e24df..11838e24ef 100644 --- a/erts/emulator/beam/big.c +++ b/erts/emulator/beam/big.c @@ -48,7 +48,7 @@ _t_dst = (dst)+((sz)-1); \ _t_src = (src)+((sz)-1); \ while(_t_sz--) *_t_dst-- = *_t_src--; \ - } \ + } \ } while(0) /* add a and b with carry in + out */ @@ -423,6 +423,25 @@ #endif +/* Forward declaration of lookup tables (See below in this file) used in list to + * integer conversions for different bases. Also used in bignum printing. + */ +static const byte digits_per_sint_lookup[36-1]; +static const byte digits_per_small_lookup[36-1]; +static const Sint largest_power_of_base_lookup[36-1]; + +static ERTS_INLINE byte get_digits_per_signed_int(Uint base) { + return digits_per_sint_lookup[base-2]; +} + +static ERTS_INLINE byte get_digits_per_small(Uint base) { + return digits_per_small_lookup[base-2]; +} + +static ERTS_INLINE Sint get_largest_power_of_base(Uint base) { + return largest_power_of_base_lookup[base-2]; +} + /* ** compare two number vectors */ @@ -1719,8 +1738,10 @@ static Uint write_big(Wterm x, void (*write_func)(void *, char), void *arg) short sign = BIG_SIGN(xp); ErtsDigit rem; Uint n = 0; + const Uint digits_per_Sint = get_digits_per_signed_int(10); + const Sint largest_pow_of_base = get_largest_power_of_base(10); - if (xl == 1 && *dx < D_DECIMAL_BASE) { + if (xl == 1 && *dx < largest_pow_of_base) { rem = *dx; if (rem == 0) { (*write_func)(arg, '0'); n++; @@ -1738,7 +1759,7 @@ static Uint write_big(Wterm x, void (*write_func)(void *, char), void *arg) MOVE_DIGITS(tmp, dx, xl); while(1) { - tmpl = D_div(tmp, tmpl, D_DECIMAL_BASE, tmp, &rem); + tmpl = D_div(tmp, tmpl, largest_pow_of_base, tmp, &rem); if (tmpl == 1 && *tmp == 0) { while(rem) { (*write_func)(arg, (rem % 10)+'0'); n++; @@ -1746,7 +1767,7 @@ static Uint write_big(Wterm x, void (*write_func)(void *, char), void *arg) } break; } else { - int i = D_DECIMAL_EXP; + Uint i = digits_per_Sint; while(i--) { (*write_func)(arg, (rem % 10)+'0'); n++; rem /= 10; @@ -2522,63 +2543,100 @@ int term_equals_2pow32(Eterm x) } } +static ERTS_INLINE int c2int_is_invalid_char(byte ch, int base) { + return (ch < '0' + || (ch > ('0' + base - 1) + && !(base > 10 + && ((ch >= 'a' && ch < ('a' + base - 10)) + || (ch >= 'A' && ch < ('A' + base - 10)))))); +} -#define IS_VALID_CHARACTER(CHAR,BASE) \ - (CHAR < '0' \ - || (CHAR > ('0' + BASE - 1) \ - && !(BASE > 10 \ - && ((CHAR >= 'a' && CHAR < ('a' + BASE - 10)) \ - || (CHAR >= 'A' && CHAR < ('A' + BASE - 10)))))) -#define CHARACTER_FROM_BASE(CHAR) \ - ((CHAR <= '9') ? CHAR - '0' : 10 + ((CHAR <= 'Z') ? CHAR - 'A' : CHAR - 'a')) -#define D_BASE_EXP(BASE) (d_base_exp_lookup[BASE-2]) -#define D_BASE_BASE(BASE) (d_base_base_lookup[BASE-2]) -#define LG2_LOOKUP(BASE) (lg2_lookup[base-2]) +static ERTS_INLINE byte c2int_digit_from_base(byte ch) { + return ch <= '9' ? ch - '0' + : (10 + (ch <= 'Z' ? ch - 'A' : ch - 'a')); +} /* - * for i in 2..64 do - * lg2_lookup[i-2] = log2(i) - * end - * How many bits are needed to store string of size n + * How many bits are needed to store 1 digit of given base in binary + * Wo.Alpha formula: Table [log2[n], {n,2,36}] */ -const double lg2_lookup[] = { 1.0, 1.58496, 2, 2.32193, 2.58496, 2.80735, 3.0, - 3.16993, 3.32193, 3.45943, 3.58496, 3.70044, 3.80735, 3.90689, 4.0, - 4.08746, 4.16993, 4.24793, 4.32193, 4.39232, 4.45943, 4.52356, 4.58496, - 4.64386, 4.70044, 4.75489, 4.80735, 4.85798, 4.90689, 4.9542, 5.0, - 5.04439, 5.08746, 5.12928, 5.16993, 5.20945, 5.24793, 5.2854, 5.32193, - 5.35755, 5.39232, 5.42626, 5.45943, 5.49185, 5.52356, 5.55459, 5.58496, - 5.61471, 5.64386, 5.67243, 5.70044, 5.72792, 5.75489, 5.78136, 5.80735, - 5.83289, 5.85798, 5.88264, 5.90689, 5.93074, 5.9542, 5.97728, 6.0 }; +static const double lg2_lookup[36-1] = { + 1.0, 1.58496, 2.0, 2.32193, 2.58496, 2.80735, 3.0, 3.16993, 3.32193, + 3.45943, 3.58496, 3.70044, 3.80735, 3.90689, 4.0, 4.08746, 4.16993, 4.24793, + 4.32193, 4.39232, 4.45943, 4.52356, 4.58496, 4.64386, 4.70044, 4.75489, + 4.80735, 4.85798, 4.90689, 4.9542, 5.0, 5.04439, 5.08746, 5.12928, 5.16993 +}; +static ERTS_INLINE double lookup_log2(Uint base) { + return lg2_lookup[base - 2]; +} /* - * for i in 2..64 do - * d_base_exp_lookup[i-2] = 31 / lg2_lookup[i-2]; - * end - * How many characters can fit in 31 bits + * How many digits can fit into a signed int (Sint) for given base, we take + * one digit away just to be on the safer side (some corner cases). */ -const byte d_base_exp_lookup[] = { 31, 19, 15, 13, 11, 11, 10, 9, 9, 8, 8, 8, 8, - 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5 }; +static const byte digits_per_sint_lookup[36-1] = { +#if (SIZEOF_VOID_P == 4) + /* Wo.Alpha formula: Table [Trunc[31 / log[2,n]]-1, {n, 2, 36}] */ + 30, 18, 14, 12, 10, 10, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4 +#elif (SIZEOF_VOID_P == 8) + /* Wo.Alpha formula: Table [Trunc[63 / log[2,n]]-1, {n, 2, 36}] */ + 62, 38, 30, 26, 23, 21, 20, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 13, 13, + 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11 +#else + #error "Please produce a lookup table for the new architecture" +#endif +}; /* - * for i in 2..64 do - * d_base_base_lookup[i-2] = pow(i,d_base_exp_lookup[i-2]); - * end - * How much can the characters which fit in 31 bit represent + * How many digits can fit into Erlang Small (SMALL_BITS-1) counting sign bit */ -const Uint d_base_base_lookup[] = { 2147483648u, 1162261467u, 1073741824u, - 1220703125u, 362797056u, 1977326743u, 1073741824u, 387420489u, - 1000000000u, 214358881u, 429981696u, 815730721u, 1475789056u, - 170859375u, 268435456u, 410338673u, 612220032u, 893871739u, 1280000000u, - 1801088541u, 113379904u, 148035889u, 191102976u, 244140625u, 308915776u, - 387420489u, 481890304u, 594823321u, 729000000u, 887503681u, 1073741824u, - 1291467969u, 1544804416u, 1838265625u, 60466176u, 69343957u, 79235168u, - 90224199u, 102400000u, 115856201u, 130691232u, 147008443u, 164916224u, - 184528125u, 205962976u, 229345007u, 254803968u, 282475249u, 312500000u, - 345025251u, 380204032u, 418195493u, 459165024u, 503284375u, 550731776u, - 601692057u, 656356768u, 714924299u, 777600000u, 844596301u, 916132832u, - 992436543u, 1073741824u }; +static const byte digits_per_small_lookup[36-1] = { +#if (SIZEOF_VOID_P == 4) + /* Wo.Alpha formula: Table [Trunc[27 / log[2,n]]-1, {n, 2, 36}] */ + 27, 17, 13, 11, 10, 9, 9, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 +#elif (SIZEOF_VOID_P == 8) + /* Wo.Alpha formula: Table [Trunc[59 / log[2,n]]-1, {n, 2, 36}] */ + 59, 37, 29, 25, 22, 21, 19, 18, 17, 17, 16, 15, 15, 15, 14, 14, 14, 13, 13, + 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11 +#else + #error "Please produce a lookup table for the new architecture" +#endif +}; + +/* + * Largest power of base which can be represented in a signed int (Sint). + * Calculated by base 2..36 to the power of corresponding element from + * digits_per_sint_lookup. + */ +static const Sint largest_power_of_base_lookup[36-1] = { +#if (SIZEOF_VOID_P == 4) + /* Wo.Alpha formula: Table [Pow[n, Trunc[31 / log[2,n]]-1], {n, 2, 36}] */ + 1073741824, 387420489, 268435456, 244140625, 60466176, 282475249, 134217728, + 43046721, 100000000, 19487171, 35831808, 62748517, 105413504, 11390625, + 16777216, 24137569, 34012224, 47045881, 64000000, 85766121, 5153632, + 6436343,7962624, 9765625, 11881376, 14348907, 17210368, 20511149, 24300000, + 28629151, 33554432, 39135393, 45435424, 52521875, 1679616 +#elif (SIZEOF_VOID_P == 8) + /* Wo.Alpha formula: Table [Pow[n, Trunc[63 / log[2,n]]-1], {n, 2, 36}] + * with LL added after each element manually */ + 4611686018427387904LL, 1350851717672992089LL, 1152921504606846976LL, + 1490116119384765625LL, 789730223053602816LL, 558545864083284007LL, + 1152921504606846976LL, 150094635296999121LL, 100000000000000000LL, + 505447028499293771LL, 184884258895036416LL, 665416609183179841LL, + 155568095557812224LL, 437893890380859375LL, 72057594037927936LL, + 168377826559400929LL, 374813367582081024LL, 42052983462257059LL, + 81920000000000000LL, 154472377739119461LL, 282810057883082752LL, + 21914624432020321LL, 36520347436056576LL, 59604644775390625LL, + 95428956661682176LL, 150094635296999121LL, 232218265089212416LL, + 12200509765705829LL, 17714700000000000LL, 25408476896404831LL, + 36028797018963968LL, 50542106513726817LL, 70188843638032384LL, + 96549157373046875LL, 131621703842267136LL +#else + #error "Please produce a lookup table for the new architecture" +#endif +}; Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, Uint size, const int base) { @@ -2588,8 +2646,11 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, int neg = 0; byte b; Eterm *hp, *hp_end; - int m; + Sint m; int lg2; + const Uint digits_per_small = get_digits_per_small(base); + const Uint digits_per_Sint = get_digits_per_signed_int(base); + const Sint largest_pow_of_base = get_largest_power_of_base(base); if (size == 0) goto bytebuf_to_integer_1_error; @@ -2604,57 +2665,68 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, size--; } + /* Trim leading zeroes */ + if (size) { + while (*bytes == '0') { + bytes++; + size--; + if (!size) { + /* All zero! */ + res = make_small(0); + goto bytebuf_to_integer_1_done; + } + } + } + if (size == 0) goto bytebuf_to_integer_1_error; - if (size < SMALL_DIGITS && base <= 10) { - /* * - * Take shortcut if we know that all chars are '0' < b < '9' and - * fit in a small. This improves speed by about 10% over the generic - * small case. - * */ - while (size--) { - b = *bytes++; + if (size < digits_per_small) { + if (base <= 10) { + /* * + * Take shortcut if we know that all chars are '0' < b < '9' and + * fit in a small. This improves speed by about 10% over the generic + * small case. + * */ + while (size--) { + b = *bytes++; - if (b < '0' || b > ('0'+base-1)) - goto bytebuf_to_integer_1_error; + if (b < '0' || b > ('0'+base-1)) + goto bytebuf_to_integer_1_error; - i = i * base + b - '0'; - } + i = i * base + b - '0'; + } - if (neg) - i = -i; - res = make_small(i); - goto bytebuf_to_integer_1_done; + if (neg) + i = -i; + res = make_small(i); + goto bytebuf_to_integer_1_done; + } + + /* Take shortcut if we know it will fit in a small. + * This improves speed by about 30%. + */ + while (size) { + b = *bytes++; + size--; + + if (c2int_is_invalid_char(b, base)) + goto bytebuf_to_integer_1_error; + + i = i * base + c2int_digit_from_base(b); + } + + if (neg) + i = -i; + res = make_small(i); + goto bytebuf_to_integer_1_done; } /* * Calculate the maximum number of bits which will * be needed to represent the binary */ - lg2 = ((size+2)*LG2_LOOKUP(base)+1); - - if (lg2 < SMALL_BITS) { - /* Take shortcut if we know it will fit in a small. - * This improves speed by about 30%. - */ - while (size) { - b = *bytes++; - size--; - - if (IS_VALID_CHARACTER(b,base)) - goto bytebuf_to_integer_1_error; - - i = i * base + CHARACTER_FROM_BASE(b); - - } - - if (neg) - i = -i; - res = make_small(i); - goto bytebuf_to_integer_1_done; - - } + lg2 = ((size+2)*lookup_log2(base)+1); /* Start calculating bignum */ m = (lg2 + D_EXP-1)/D_EXP; @@ -2663,8 +2735,8 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, hp = HAlloc(BIF_P, m); hp_end = hp + m; - if ((i = (size % D_BASE_EXP(base))) == 0) - i = D_BASE_EXP(base); + if ((i = (size % digits_per_Sint)) == 0) + i = digits_per_Sint; n = size - i; m = 0; @@ -2672,34 +2744,34 @@ Eterm erts_chars_to_integer(Process *BIF_P, char *bytes, while (i--) { b = *bytes++; - if (IS_VALID_CHARACTER(b,base)) { + if (c2int_is_invalid_char(b,base)) { HRelease(BIF_P, hp_end, hp); goto bytebuf_to_integer_1_error; } - m = base * m + CHARACTER_FROM_BASE(b); + m = base * m + c2int_digit_from_base(b); } res = small_to_big(m, hp); while (n) { - i = D_BASE_EXP(base); - n -= D_BASE_EXP(base); + i = digits_per_Sint; + n -= digits_per_Sint; m = 0; while (i--) { b = *bytes++; - if (IS_VALID_CHARACTER(b,base)) { + if (c2int_is_invalid_char(b,base)) { HRelease(BIF_P, hp_end, hp); goto bytebuf_to_integer_1_error; } - m = base * m + CHARACTER_FROM_BASE(b); + m = base * m + c2int_digit_from_base(b); } if (is_small(res)) { res = small_to_big(signed_val(res), hp); } - res = big_times_small(res, D_BASE_BASE(base), hp); + res = big_times_small(res, largest_pow_of_base, hp); if (is_small(res)) { res = small_to_big(signed_val(res), hp); } @@ -2730,5 +2802,166 @@ bytebuf_to_integer_1_error: bytebuf_to_integer_1_done: return res; +} +/* Converts list of digits with given 'base' to integer sequentially. Returns + * result in 'integer_out', remaining tail goes to 'tail_out' and returns result + * code if the list was consumed fully or partially or there was an error + */ +LTI_result_t erts_list_to_integer(Process *BIF_P, Eterm orig_list, + const Uint base, + Eterm *integer_out, Eterm *tail_out) +{ + Sint i = 0; + Uint ui = 0; + int skip = 0; + int neg = 0; + Sint n = 0; + Sint m; + int lg2; + Eterm res; + Eterm lst = orig_list; + Eterm tail = lst; + int error_res = LTI_BAD_STRUCTURE; + const Uint digits_per_small = get_digits_per_small(base); + const Uint digits_per_Sint = get_digits_per_signed_int(base); + + if (is_nil(lst)) { + error_res = LTI_NO_INTEGER; + error: + *tail_out = tail; + *integer_out = make_small(0); + return error_res; + } + if (is_not_list(lst)) + goto error; + + /* if first char is a '-' then it is a negative integer */ + if (CAR(list_val(lst)) == make_small('-')) { + neg = 1; + skip = 1; + lst = CDR(list_val(lst)); + if (is_not_list(lst)) { + tail = lst; + error_res = LTI_NO_INTEGER; + goto error; + } + } else if (CAR(list_val(lst)) == make_small('+')) { + /* ignore plus */ + skip = 1; + lst = CDR(list_val(lst)); + if (is_not_list(lst)) { + tail = lst; + error_res = LTI_NO_INTEGER; + goto error; + } + } + + /* Calculate size and do type check */ + + while(1) { + byte ch; + if (is_not_small(CAR(list_val(lst)))) { + break; + } + ch = unsigned_val(CAR(list_val(lst))); + if (c2int_is_invalid_char(ch, base)) { + break; + } + ui = ui * base; + ui = ui + c2int_digit_from_base(ch); + n++; + lst = CDR(list_val(lst)); + if (is_nil(lst)) { + break; + } + if (is_not_list(lst)) { + break; + } + } + + tail = lst; + if (!n) { + error_res = LTI_NO_INTEGER; + goto error; + } + + + /* If length fits inside Sint then we know it's a small int. Else we + * must construct a bignum and let that routine do the checking + */ + + if (n <= digits_per_small) { /* It must be small */ + i = neg ? -(Sint)ui : (Sint)ui; + res = make_small(i); + } else { + const Sint largest_pow_of_base = get_largest_power_of_base(base); + Eterm *hp; + Eterm *hp_end; + + /* Convert from log_base to log2 using lookup table */ + lg2 = ((n+2)*lookup_log2(base)+1); + m = (lg2+D_EXP-1)/D_EXP; /* number of digits */ + m = BIG_NEED_SIZE(m); /* number of words + thing */ + + hp = HAlloc(BIF_P, m); + hp_end = hp + m; + + lst = orig_list; + if (skip) + lst = CDR(list_val(lst)); + + /* load first digits (at least one digit) */ + if ((i = (n % digits_per_Sint)) == 0) + i = digits_per_Sint; + n -= i; + m = 0; + while(i--) { + m *= base; + m += c2int_digit_from_base(unsigned_val(CAR(list_val(lst)))); + lst = CDR(list_val(lst)); + } + res = small_to_big(m, hp); /* load first digits */ + + while(n) { + i = digits_per_Sint; + n -= digits_per_Sint; + m = 0; + while(i--) { + m *= base; + m += c2int_digit_from_base(unsigned_val(CAR(list_val(lst)))); + lst = CDR(list_val(lst)); + } + if (is_small(res)) + res = small_to_big(signed_val(res), hp); + res = big_times_small(res, largest_pow_of_base, hp); + if (is_small(res)) + res = small_to_big(signed_val(res), hp); + res = big_plus_small(res, m, hp); + } + + if (neg) { + if (is_small(res)) + res = make_small(-signed_val(res)); + else { + Uint *big = big_val(res); /* point to thing */ + *big = bignum_header_neg(*big); + } + } + + if (is_not_small(res)) { + res = big_plus_small(res, 0, hp); /* includes conversion to small */ + + if (is_not_small(res)) { + hp += (big_arity(res)+1); + } + } + HRelease(BIF_P, hp_end, hp); + } + *integer_out = res; + *tail_out = tail; + if (tail != NIL) { + return LTI_SOME_INTEGER; + } + return LTI_ALL_INTEGER; } diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h index 94f9bce10e..9c92de6b55 100644 --- a/erts/emulator/beam/big.h +++ b/erts/emulator/beam/big.h @@ -54,9 +54,6 @@ typedef Uint32 ErtsHalfDigit; #error "can not determine machine size" #endif -#define D_DECIMAL_EXP 9 -#define D_DECIMAL_BASE 1000000000 - typedef Uint dsize_t; /* Vector size type */ #define D_EXP (ERTS_SIZEOF_ETERM*8) @@ -173,4 +170,15 @@ Eterm erts_sint64_to_big(Sint64, Eterm **); Eterm erts_chars_to_integer(Process *, char*, Uint, const int); +/* How list_to_integer classifies the input, was it even a string? */ +typedef enum { + LTI_BAD_STRUCTURE = 0, + LTI_NO_INTEGER = 1, + LTI_SOME_INTEGER = 2, + LTI_ALL_INTEGER = 3 +} LTI_result_t; + +LTI_result_t erts_list_to_integer(Process *BIF_P, Eterm orig_list, + const Uint base, + Eterm *integer_out, Eterm *tail_out); #endif diff --git a/erts/emulator/beam/code_ix.c b/erts/emulator/beam/code_ix.c index 209d008d18..1b0968c55c 100644 --- a/erts/emulator/beam/code_ix.c +++ b/erts/emulator/beam/code_ix.c @@ -65,12 +65,12 @@ void erts_code_ix_init(void) CIX_TRACE("init"); } -void erts_start_staging_code_ix(void) +void erts_start_staging_code_ix(int num_new) { beam_catches_start_staging(); export_start_staging(); module_start_staging(); - erts_start_staging_ranges(); + erts_start_staging_ranges(num_new); CIX_TRACE("start"); } diff --git a/erts/emulator/beam/code_ix.h b/erts/emulator/beam/code_ix.h index 5f00b409ef..7a66211a5b 100644 --- a/erts/emulator/beam/code_ix.h +++ b/erts/emulator/beam/code_ix.h @@ -100,7 +100,7 @@ void erts_release_code_write_permission(void); * Must be followed by calls to either "end" and "commit" or "abort" before * code write permission can be released. */ -void erts_start_staging_code_ix(void); +void erts_start_staging_code_ix(int num_new); /* End the staging. * Preceded by "start" and must be followed by "commit". diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index 5544712e8d..806f569c38 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -103,9 +103,9 @@ static Uint install_debug_functions(void); static int lock_all_physical_memory = 0; -ErtsAllocatorFunctions_t erts_allctrs[ERTS_ALC_A_MAX+1]; +ErtsAllocatorFunctions_t ERTS_WRITE_UNLIKELY(erts_allctrs[ERTS_ALC_A_MAX+1]); ErtsAllocatorInfo_t erts_allctrs_info[ERTS_ALC_A_MAX+1]; -ErtsAllocatorThrSpec_t erts_allctr_thr_spec[ERTS_ALC_A_MAX+1]; +ErtsAllocatorThrSpec_t ERTS_WRITE_UNLIKELY(erts_allctr_thr_spec[ERTS_ALC_A_MAX+1]); #define ERTS_MIN(A, B) ((A) < (B) ? (A) : (B)) #define ERTS_MAX(A, B) ((A) > (B) ? (A) : (B)) @@ -968,6 +968,10 @@ set_au_allocator(ErtsAlcType_t alctr_n, struct au_init *init, int ncpu) else #endif { +#ifdef ERTS_SMP + erl_exit(ERTS_ABORT_EXIT, "%salloc is not thread safe\n", + init->init.util.name_prefix); +#else af->alloc = erts_alcu_alloc; if (init->init.util.fix_type_size) af->realloc = erts_realloc_fixed_size; @@ -976,6 +980,7 @@ set_au_allocator(ErtsAlcType_t alctr_n, struct au_init *init, int ncpu) else af->realloc = erts_alcu_realloc; af->free = erts_alcu_free; +#endif } af->extra = NULL; ai->alloc_util = 1; @@ -1917,7 +1922,7 @@ erts_alc_fatal_error(int error, int func, ErtsAlcType_t n, ...) va_start(argp, n); size = va_arg(argp, Uint); va_end(argp); - erl_exit(1, + erl_exit(-1, "%s: Cannot %s %lu bytes of memory (of type \"%s\").\n", allctr_str, op, size, t_str); break; @@ -3402,8 +3407,11 @@ UWord erts_alc_test(UWord op, UWord a1, UWord a2, UWord a3) init.enable = 1; init.atype = GOODFIT; init.init.util.name_prefix = (char *) a1; - init.init.util.ts = a2 ? 1 : 0; - +#ifdef ERTS_SMP + init.init.util.ts = 1; +#else + init.init.util.ts = a2 ? 1 : 0; +#endif if ((char **) a3) { char **argv = (char **) a3; int i = 0; diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h index 14e80960f5..71e4713624 100644 --- a/erts/emulator/beam/erl_alloc.h +++ b/erts/emulator/beam/erl_alloc.h @@ -233,12 +233,14 @@ ERTS_ALC_INLINE void *erts_alloc(ErtsAlcType_t type, Uint size) { void *res; + ERTS_MSACC_PUSH_AND_SET_STATE_X(ERTS_MSACC_STATE_ALLOC); res = (*erts_allctrs[ERTS_ALC_T2A(type)].alloc)( ERTS_ALC_T2N(type), erts_allctrs[ERTS_ALC_T2A(type)].extra, size); if (!res) erts_alloc_n_enomem(ERTS_ALC_T2N(type), size); + ERTS_MSACC_POP_STATE_X(); return res; } @@ -246,6 +248,7 @@ ERTS_ALC_INLINE void *erts_realloc(ErtsAlcType_t type, void *ptr, Uint size) { void *res; + ERTS_MSACC_PUSH_AND_SET_STATE_X(ERTS_MSACC_STATE_ALLOC); res = (*erts_allctrs[ERTS_ALC_T2A(type)].realloc)( ERTS_ALC_T2N(type), erts_allctrs[ERTS_ALC_T2A(type)].extra, @@ -253,37 +256,48 @@ void *erts_realloc(ErtsAlcType_t type, void *ptr, Uint size) size); if (!res) erts_realloc_n_enomem(ERTS_ALC_T2N(type), ptr, size); + ERTS_MSACC_POP_STATE_X(); return res; } ERTS_ALC_INLINE void erts_free(ErtsAlcType_t type, void *ptr) { + ERTS_MSACC_PUSH_AND_SET_STATE_X(ERTS_MSACC_STATE_ALLOC); (*erts_allctrs[ERTS_ALC_T2A(type)].free)( ERTS_ALC_T2N(type), erts_allctrs[ERTS_ALC_T2A(type)].extra, ptr); + ERTS_MSACC_POP_STATE_X(); } ERTS_ALC_INLINE void *erts_alloc_fnf(ErtsAlcType_t type, Uint size) { - return (*erts_allctrs[ERTS_ALC_T2A(type)].alloc)( + void *res; + ERTS_MSACC_PUSH_AND_SET_STATE_X(ERTS_MSACC_STATE_ALLOC); + res = (*erts_allctrs[ERTS_ALC_T2A(type)].alloc)( ERTS_ALC_T2N(type), erts_allctrs[ERTS_ALC_T2A(type)].extra, size); + ERTS_MSACC_POP_STATE_X(); + return res; } ERTS_ALC_INLINE void *erts_realloc_fnf(ErtsAlcType_t type, void *ptr, Uint size) { - return (*erts_allctrs[ERTS_ALC_T2A(type)].realloc)( + void *res; + ERTS_MSACC_PUSH_AND_SET_STATE_X(ERTS_MSACC_STATE_ALLOC); + res = (*erts_allctrs[ERTS_ALC_T2A(type)].realloc)( ERTS_ALC_T2N(type), erts_allctrs[ERTS_ALC_T2A(type)].extra, ptr, size); + ERTS_MSACC_POP_STATE_X(); + return res; } ERTS_ALC_INLINE diff --git a/erts/emulator/beam/erl_alloc.types b/erts/emulator/beam/erl_alloc.types index e0bc71c88a..2932adca84 100644 --- a/erts/emulator/beam/erl_alloc.types +++ b/erts/emulator/beam/erl_alloc.types @@ -361,6 +361,8 @@ type AINFO_REQ SHORT_LIVED SYSTEM alloc_info_request type SCHED_WTIME_REQ SHORT_LIVED SYSTEM sched_wall_time_request type GC_INFO_REQ SHORT_LIVED SYSTEM gc_info_request type PORT_DATA_HEAP STANDARD SYSTEM port_data_heap +type MSACC DRIVER SYSTEM microstate_accounting +type SYS_CHECK_REQ SHORT_LIVED SYSTEM system_check_request # # Types used by system specific code diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c index eedfd1e13d..3230b6ef34 100644 --- a/erts/emulator/beam/erl_alloc_util.c +++ b/erts/emulator/beam/erl_alloc_util.c @@ -5337,6 +5337,11 @@ do_erts_alcu_alloc(ErtsAlcType_t type, void *extra, Uint size) void *erts_alcu_alloc(ErtsAlcType_t type, void *extra, Uint size) { void *res; +#ifdef ERTS_SMP + ASSERT(!"This is not thread safe"); +#elif defined(USE_THREADS) + ASSERT(erts_equal_tids(erts_main_thread, erts_thr_self())); +#endif res = do_erts_alcu_alloc(type, extra, size); DEBUG_CHECK_ALIGNMENT(res); return res; diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c index be0bc0cfec..cdeeb5281b 100644 --- a/erts/emulator/beam/erl_async.c +++ b/erts/emulator/beam/erl_async.c @@ -400,13 +400,19 @@ static ERTS_INLINE void call_async_ready(ErtsAsync *a) ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP); #endif if (!p) { - if (a->async_free) + if (a->async_free) { + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_PORT); a->async_free(a->async_data); + ERTS_MSACC_POP_STATE(); + } } else { if (async_ready(p, a->async_data)) { - if (a->async_free) + if (a->async_free) { + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_PORT); a->async_free(a->async_data); + ERTS_MSACC_POP_STATE(); + } } #if ERTS_USE_ASYNC_READY_Q erts_port_release(p); @@ -460,6 +466,8 @@ static erts_tse_t *async_thread_init(ErtsAsyncQ *aq) { ErtsThrQInit_t qinit = ERTS_THR_Q_INIT_DEFAULT; erts_tse_t *tse = erts_tse_fetch(); + ERTS_DECLARE_DUMMY(Uint no); + #ifdef ERTS_SMP ErtsThrPrgrCallbacks callbacks; @@ -483,10 +491,12 @@ static erts_tse_t *async_thread_init(ErtsAsyncQ *aq) /* Inform main thread that we are done initializing... */ erts_mtx_lock(&async->init.data.mtx); - async->init.data.no_initialized++; + no = async->init.data.no_initialized++; erts_cnd_signal(&async->init.data.cnd); erts_mtx_unlock(&async->init.data.mtx); + erts_msacc_init_thread("async", no, 0); + return tse; } @@ -494,6 +504,7 @@ static void *async_main(void* arg) { ErtsAsyncQ *aq = (ErtsAsyncQ *) arg; erts_tse_t *tse = async_thread_init(aq); + ERTS_MSACC_DECLARE_CACHE(); while (1) { ErtsThrQPrepEnQ_t *prep_enq; @@ -501,11 +512,14 @@ static void *async_main(void* arg) if (is_nil(a->port)) break; /* Time to die */ + ERTS_MSACC_UPDATE_CACHE(); + #if ERTS_ASYNC_PRINT_JOB erts_fprintf(stderr, "<- %ld\n", a->async_id); #endif - + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_PORT); a->async_invoke(a->async_data); + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_OTHER); async_reply(a, prep_enq); } @@ -628,10 +642,13 @@ long driver_async(ErlDrvPort ix, unsigned int* key, unsigned int qix; #if ERTS_USE_ASYNC_READY_Q Uint sched_id; + ERTS_MSACC_PUSH_STATE(); sched_id = erts_get_scheduler_id(); if (!sched_id) sched_id = 1; +#else + ERTS_MSACC_PUSH_STATE(); #endif prt = erts_drvport2port(ix); @@ -684,12 +701,17 @@ long driver_async(ErlDrvPort ix, unsigned int* key, return id; } #endif - + + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_PORT); (*a->async_invoke)(a->async_data); + ERTS_MSACC_POP_STATE(); if (async_ready(prt, a->async_data)) { - if (a->async_free != NULL) + if (a->async_free != NULL) { + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_PORT); (*a->async_free)(a->async_data); + ERTS_MSACC_POP_STATE(); + } } erts_free(ERTS_ALC_T_ASYNC, (void *) a); diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index 06e7dc8661..e4baff87f4 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -64,7 +64,9 @@ static Export* alloc_sizes_trap = NULL; static Export* gather_io_bytes_trap = NULL; static Export *gather_sched_wall_time_res_trap; +static Export *gather_msacc_res_trap; static Export *gather_gc_info_res_trap; +static Export *gather_system_check_res_trap; #define DECL_AM(S) Eterm AM_ ## S = am_atom_put(#S, sizeof(#S) - 1) @@ -1720,7 +1722,7 @@ info_1_tuple(Process* BIF_P, /* Pointer to current process. */ if (arity == 2) { Eterm res = THE_NON_VALUE; char *buf; - int len = is_string(*tp); + Sint len = is_string(*tp); if (len <= 0) return res; buf = (char *) erts_alloc(ERTS_ALC_T_TMP, len+1); @@ -1739,7 +1741,7 @@ info_1_tuple(Process* BIF_P, /* Pointer to current process. */ else { Eterm res = THE_NON_VALUE; char *buf; - int len = is_string(tp[1]); + Sint len = is_string(tp[1]); if (len <= 0) return res; buf = (char *) erts_alloc(ERTS_ALC_T_TMP, len+1); @@ -3260,6 +3262,14 @@ BIF_RETTYPE statistics_1(BIF_ALIST_1) szp = NULL; hpp = &hp; } +#ifdef ERTS_ENABLE_MSACC + } else if (BIF_ARG_1 == am_microstate_accounting) { + Eterm threads; + res = erts_msacc_request(BIF_P, ERTS_MSACC_GATHER, &threads); + if (is_non_value(res)) + BIF_RET(am_undefined); + BIF_TRAP2(gather_msacc_res_trap, BIF_P, res, threads); +#endif } else if (BIF_ARG_1 == am_context_switches) { Eterm cs = erts_make_integer(erts_get_total_context_switches(), BIF_P); hp = HAlloc(BIF_P, 3); @@ -3777,6 +3787,18 @@ BIF_RETTYPE erts_internal_is_system_process_1(BIF_ALIST_1) BIF_ERROR(BIF_P, BADARG); } +BIF_RETTYPE erts_internal_system_check_1(BIF_ALIST_1) +{ + Eterm res; + if (ERTS_IS_ATOM_STR("schedulers", BIF_ARG_1)) { + res = erts_system_check_request(BIF_P); + if (is_non_value(res)) + BIF_RET(am_undefined); + BIF_TRAP1(gather_system_check_res_trap, BIF_P, res); + } + + BIF_ERROR(BIF_P, BADARG); +} static erts_smp_atomic_t hipe_test_reschedule_flag; @@ -4396,6 +4418,10 @@ erts_bif_info_init(void) = erts_export_put(am_erlang, am_gather_gc_info_result, 1); gather_io_bytes_trap = erts_export_put(am_erts_internal, am_gather_io_bytes, 2); + gather_msacc_res_trap + = erts_export_put(am_erts_internal, am_gather_microstate_accounting_result, 2); + gather_system_check_res_trap + = erts_export_put(am_erts_internal, am_gather_system_check_result, 1); process_info_init(); os_info_init(); } diff --git a/erts/emulator/beam/erl_bif_lists.c b/erts/emulator/beam/erl_bif_lists.c index 5583dcb371..fe64e76575 100644 --- a/erts/emulator/beam/erl_bif_lists.c +++ b/erts/emulator/beam/erl_bif_lists.c @@ -42,7 +42,7 @@ static BIF_RETTYPE append(Process* p, Eterm A, Eterm B) Eterm last; size_t need; Eterm* hp; - int i; + Sint i; if ((i = erts_list_length(A)) < 0) { BIF_ERROR(p, BADARG); @@ -99,9 +99,9 @@ static Eterm subtract(Process* p, Eterm A, Eterm B) Eterm small_vec[SMALL_VEC_SIZE]; /* Preallocated memory for small lists */ Eterm* vec_p; Eterm* vp; - int i; - int n; - int m; + Sint i; + Sint n; + Sint m; if ((n = erts_list_length(A)) < 0) { BIF_ERROR(p, BADARG); diff --git a/erts/emulator/beam/erl_bif_op.c b/erts/emulator/beam/erl_bif_op.c index d53a9e11ca..0f20ded1d6 100644 --- a/erts/emulator/beam/erl_bif_op.c +++ b/erts/emulator/beam/erl_bif_op.c @@ -89,22 +89,22 @@ BIF_RETTYPE not_1(BIF_ALIST_1) BIF_RETTYPE sgt_2(BIF_ALIST_2) { - BIF_RET(cmp_gt(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); + BIF_RET(CMP_GT(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); } BIF_RETTYPE sge_2(BIF_ALIST_2) { - BIF_RET(cmp_ge(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); + BIF_RET(CMP_GE(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); } BIF_RETTYPE slt_2(BIF_ALIST_2) { - BIF_RET(cmp_lt(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); + BIF_RET(CMP_LT(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); } BIF_RETTYPE sle_2(BIF_ALIST_2) { - BIF_RET(cmp_le(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); + BIF_RET(CMP_LE(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); } BIF_RETTYPE seq_2(BIF_ALIST_2) @@ -114,7 +114,7 @@ BIF_RETTYPE seq_2(BIF_ALIST_2) BIF_RETTYPE seqeq_2(BIF_ALIST_2) { - BIF_RET(cmp_eq(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); + BIF_RET(CMP_EQ(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); } BIF_RETTYPE sneq_2(BIF_ALIST_2) @@ -124,7 +124,7 @@ BIF_RETTYPE sneq_2(BIF_ALIST_2) BIF_RETTYPE sneqeq_2(BIF_ALIST_2) { - BIF_RET(cmp_ne(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); + BIF_RET(CMP_NE(BIF_ARG_1, BIF_ARG_2) ? am_true : am_false); } BIF_RETTYPE is_atom_1(BIF_ALIST_1) diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index 839abd0424..3acc1d7bbd 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -649,7 +649,7 @@ BIF_RETTYPE port_get_data_1(BIF_ALIST_1) static Port * open_port(Process* p, Eterm name, Eterm settings, int *err_typep, int *err_nump) { - int i; + Sint i; Eterm option; Uint arity; Eterm* tp; @@ -977,8 +977,8 @@ static char **convert_args(Eterm l) { char **pp; char *b; - int n; - int i = 0; + Sint n; + Sint i = 0; Eterm str; if (is_not_list(l) && is_not_nil(l)) { return NULL; @@ -1024,7 +1024,7 @@ static byte* convert_environment(Process* p, Eterm env) Eterm* temp_heap; Eterm* hp; Uint heap_size; - int n; + Sint n; Sint size; byte* bytes; int encoding = erts_get_native_filename_encoding(); diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c index 4d67e39e7e..71a7079b09 100644 --- a/erts/emulator/beam/erl_bif_trace.c +++ b/erts/emulator/beam/erl_bif_trace.c @@ -431,6 +431,9 @@ Uint erts_trace_flag2bit(Eterm flag) { switch (flag) { + case am_timestamp: return F_NOW_TS; + case am_strict_monotonic_timestamp: return F_STRICT_MON_TS; + case am_monotonic_timestamp: return F_MON_TS; case am_all: return TRACEE_FLAGS; case am_send: return F_TRACE_SEND; case am_receive: return F_TRACE_RECEIVE; @@ -439,7 +442,6 @@ erts_trace_flag2bit(Eterm flag) case am_set_on_first_spawn: return F_TRACE_SOS1; case am_set_on_link: return F_TRACE_SOL; case am_set_on_first_link: return F_TRACE_SOL1; - case am_timestamp: return F_TIMESTAMP; case am_running: return F_TRACE_SCHED; case am_exiting: return F_TRACE_SCHED_EXIT; case am_garbage_collection: return F_TRACE_GC; @@ -592,7 +594,7 @@ Eterm trace_3(BIF_ALIST_3) ERTS_TRACE_FLAGS(tracee_port) |= mask; else ERTS_TRACE_FLAGS(tracee_port) &= ~mask; - + if (!ERTS_TRACE_FLAGS(tracee_port)) ERTS_TRACER_PROC(tracee_port) = NIL; else if (tracer != NIL) @@ -978,7 +980,7 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) } if (key == am_flags) { - int num_flags = 19; /* MAXIMUM number of flags. */ + int num_flags = 21; /* MAXIMUM number of flags. */ Uint needed = 3+2*num_flags; Eterm flag_list = NIL; Eterm* limit; @@ -996,6 +998,9 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) #endif hp = HAlloc(p, needed); limit = hp+needed; + FLAG(F_NOW_TS, am_timestamp); + FLAG(F_STRICT_MON_TS, am_strict_monotonic_timestamp); + FLAG(F_MON_TS, am_monotonic_timestamp); FLAG(F_TRACE_SEND, am_send); FLAG(F_TRACE_RECEIVE, am_receive); FLAG(F_TRACE_SOS, am_set_on_spawn); @@ -1007,7 +1012,6 @@ trace_info_pid(Process* p, Eterm pid_spec, Eterm key) FLAG(F_TRACE_SCHED, am_running); FLAG(F_TRACE_SCHED_EXIT, am_exiting); FLAG(F_TRACE_GC, am_garbage_collection); - FLAG(F_TIMESTAMP, am_timestamp); FLAG(F_TRACE_ARITY_ONLY, am_arity); FLAG(F_TRACE_RETURN_TO, am_return_to); FLAG(F_TRACE_SILENT, am_silent); @@ -1798,7 +1802,11 @@ Eterm erts_seq_trace(Process *p, Eterm arg1, Eterm arg2, } else if (arg1 == am_print) { current_flag = SEQ_TRACE_PRINT; } else if (arg1 == am_timestamp) { - current_flag = SEQ_TRACE_TIMESTAMP; + current_flag = SEQ_TRACE_NOW_TS; + } else if (arg1 == am_strict_monotonic_timestamp) { + current_flag = SEQ_TRACE_STRICT_MON_TS; + } else if (arg1 == am_monotonic_timestamp) { + current_flag = SEQ_TRACE_MON_TS; } else current_flag = 0; @@ -1901,7 +1909,9 @@ BIF_RETTYPE erl_seq_trace_info(Process *p, Eterm item) if (have_no_seqtrace(SEQ_TRACE_TOKEN(p))) { if ((item == am_send) || (item == am_receive) || - (item == am_print) || (item == am_timestamp)) { + (item == am_print) || (item == am_timestamp) + || (item == am_monotonic_timestamp) + || (item == am_strict_monotonic_timestamp)) { hp = HAlloc(p,3); res = TUPLE2(hp, item, am_false); BIF_RET(res); @@ -1919,7 +1929,11 @@ BIF_RETTYPE erl_seq_trace_info(Process *p, Eterm item) } else if (item == am_print) { current_flag = SEQ_TRACE_PRINT; } else if (item == am_timestamp) { - current_flag = SEQ_TRACE_TIMESTAMP; + current_flag = SEQ_TRACE_NOW_TS; + } else if (item == am_strict_monotonic_timestamp) { + current_flag = SEQ_TRACE_STRICT_MON_TS; + } else if (item == am_monotonic_timestamp) { + current_flag = SEQ_TRACE_MON_TS; } else { current_flag = 0; } @@ -2221,6 +2235,7 @@ static Eterm system_profile_get(Process *p) { if (erts_system_profile_flags.exclusive) { res = CONS(hp, am_exclusive, res); hp += 2; } + return TUPLE2(hp, system_profile, res); } } @@ -2239,6 +2254,7 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) int system_blocked = 0; Process *profiler_p = NULL; Port *profiler_port = NULL; + int ts; if (profiler == am_undefined || list == NIL) { prev = system_profile_get(p); @@ -2270,7 +2286,8 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) goto error; } - for (scheduler = 0, runnable_ports = 0, runnable_procs = 0, exclusive = 0; + for (ts = ERTS_TRACE_FLG_NOW_TIMESTAMP, scheduler = 0, + runnable_ports = 0, runnable_procs = 0, exclusive = 0; is_list(list); list = CDR(list_val(list))) { @@ -2283,6 +2300,12 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) exclusive = !0; } else if (t == am_scheduler) { scheduler = !0; + } else if (t == am_timestamp) { + ts = ERTS_TRACE_FLG_NOW_TIMESTAMP; + } else if (t == am_strict_monotonic_timestamp) { + ts = ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP; + } else if (t == am_monotonic_timestamp) { + ts = ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP; } else goto error; } if (is_not_nil(list)) goto error; @@ -2295,7 +2318,7 @@ BIF_RETTYPE system_profile_2(BIF_ALIST_2) erts_system_profile_flags.runnable_ports = !!runnable_ports; erts_system_profile_flags.runnable_procs = !!runnable_procs; erts_system_profile_flags.exclusive = !!exclusive; - + erts_system_profile_ts_type = ts; erts_smp_thr_progress_unblock(); erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN); diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 3030c1c91a..55b8789e29 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -1376,7 +1376,6 @@ BIF_RETTYPE ets_new_2(BIF_ALIST_2) status |= DB_ORDERED_SET; status &= ~(DB_SET | DB_BAG | DB_DUPLICATE_BAG); } - /*TT*/ else if (is_tuple(val)) { Eterm *tp = tuple_val(val); if (arityval(tp[0]) == 2) { @@ -3460,10 +3459,10 @@ static void fix_table_locked(Process* p, DbTable* tb) #endif erts_refc_inc(&tb->common.ref,1); fix = tb->common.fixations; - if (fix == NULL) { - get_now(&(tb->common.megasec), - &(tb->common.sec), - &(tb->common.microsec)); + if (fix == NULL) { + tb->common.time.monotonic + = erts_get_monotonic_time(ERTS_PROC_GET_SCHDATA(p)); + tb->common.time.offset = erts_get_time_offset(); } else { for (; fix != NULL; fix = fix->next) { @@ -3722,6 +3721,7 @@ static int free_table_cont(Process *p, static Eterm table_info(Process* p, DbTable* tb, Eterm What) { Eterm ret = THE_NON_VALUE; + int use_monotonic; if (What == am_size) { ret = make_small(erts_smp_atomic_read_nob(&tb->common.nitems)); @@ -3779,7 +3779,10 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What) ret = am_true; else ret = am_false; - } else if (What == am_atom_put("safe_fixed",10)) { + } else if ((use_monotonic + = ERTS_IS_ATOM_STR("safe_fixed_monotonic_time", + What)) + || ERTS_IS_ATOM_STR("safe_fixed", What)) { #ifdef ERTS_SMP erts_smp_mtx_lock(&tb->common.fixlock); #endif @@ -3788,7 +3791,19 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What) Eterm *hp; Eterm tpl, lst; DbFixation *fix; - need = 7; + Sint64 mtime; + + need = 3; + if (use_monotonic) { + mtime = (Sint64) tb->common.time.monotonic; + mtime += ERTS_MONOTONIC_OFFSET_NATIVE; + if (!IS_SSMALL(mtime)) + need += ERTS_SINT64_HEAP_SIZE(mtime); + } + else { + mtime = 0; + need += 4; + } for (fix = tb->common.fixations; fix != NULL; fix = fix->next) { need += 5; } @@ -3800,11 +3815,18 @@ static Eterm table_info(Process* p, DbTable* tb, Eterm What) lst = CONS(hp,tpl,lst); hp += 2; } - tpl = TUPLE3(hp, - make_small(tb->common.megasec), - make_small(tb->common.sec), - make_small(tb->common.microsec)); - hp += 4; + if (use_monotonic) + tpl = (IS_SSMALL(mtime) + ? make_small(mtime) + : erts_sint64_to_big(mtime, &hp)); + else { + Uint ms, s, us; + erts_make_timestamp_value(&ms, &s, &us, + tb->common.time.monotonic, + tb->common.time.offset); + tpl = TUPLE3(hp, make_small(ms), make_small(s), make_small(us)); + hp += 4; + } ret = TUPLE2(hp, tpl, lst); } else { ret = am_false; diff --git a/erts/emulator/beam/erl_db_util.h b/erts/emulator/beam/erl_db_util.h index c0966655cd..911ed37aef 100644 --- a/erts/emulator/beam/erl_db_util.h +++ b/erts/emulator/beam/erl_db_util.h @@ -226,7 +226,10 @@ typedef struct db_table_common { DbTableMethod* meth; /* table methods */ erts_smp_atomic_t nitems; /* Total number of items in table */ erts_smp_atomic_t memory_size;/* Total memory size. NOTE: in bytes! */ - Uint megasec,sec,microsec; /* Last fixation time */ + struct { /* Last fixation time */ + ErtsMonotonicTime monotonic; + ErtsMonotonicTime offset; + } time; DbFixation* fixations; /* List of processes who have done safe_fixtable, "local" fixations not included. */ /* All 32-bit fields */ diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index 0636171ad1..0234b9b0e4 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -37,43 +37,6 @@ # endif #endif -#ifdef SIZEOF_CHAR -# define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR -# undef SIZEOF_CHAR -#endif -#ifdef SIZEOF_SHORT -# define SIZEOF_SHORT_SAVED__ SIZEOF_SHORT -# undef SIZEOF_SHORT -#endif -#ifdef SIZEOF_INT -# define SIZEOF_INT_SAVED__ SIZEOF_INT -# undef SIZEOF_INT -#endif -#ifdef SIZEOF_LONG -# define SIZEOF_LONG_SAVED__ SIZEOF_LONG -# undef SIZEOF_LONG -#endif -#ifdef SIZEOF_LONG_LONG -# define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG -# undef SIZEOF_LONG_LONG -#endif -#include "erl_int_sizes_config.h" -#if defined(SIZEOF_CHAR_SAVED__) && SIZEOF_CHAR_SAVED__ != SIZEOF_CHAR -# error SIZEOF_CHAR mismatch -#endif -#if defined(SIZEOF_SHORT_SAVED__) && SIZEOF_SHORT_SAVED__ != SIZEOF_SHORT -# error SIZEOF_SHORT mismatch -#endif -#if defined(SIZEOF_INT_SAVED__) && SIZEOF_INT_SAVED__ != SIZEOF_INT -# error SIZEOF_INT mismatch -#endif -#if defined(SIZEOF_LONG_SAVED__) && SIZEOF_LONG_SAVED__ != SIZEOF_LONG -# error SIZEOF_LONG mismatch -#endif -#if defined(SIZEOF_LONG_LONG_SAVED__) && SIZEOF_LONG_LONG_SAVED__ != SIZEOF_LONG_LONG -# error SIZEOF_LONG_LONG mismatch -#endif - #include "erl_drv_nif.h" #include <stdlib.h> @@ -168,28 +131,12 @@ typedef struct { /* * Integer types */ -#if defined(__WIN32__) && (SIZEOF_VOID_P == 8) -typedef unsigned __int64 ErlDrvTermData; -typedef unsigned __int64 ErlDrvUInt; -typedef signed __int64 ErlDrvSInt; -#else -typedef unsigned long ErlDrvTermData; -typedef unsigned long ErlDrvUInt; -typedef signed long ErlDrvSInt; -#endif -#if defined(__WIN32__) -typedef unsigned __int64 ErlDrvUInt64; -typedef __int64 ErlDrvSInt64; -#elif SIZEOF_LONG == 8 -typedef unsigned long ErlDrvUInt64; -typedef long ErlDrvSInt64; -#elif SIZEOF_LONG_LONG == 8 -typedef unsigned long long ErlDrvUInt64; -typedef long long ErlDrvSInt64; -#else -#error No 64-bit integer type -#endif +typedef ErlNapiUInt64 ErlDrvUInt64; +typedef ErlNapiSInt64 ErlDrvSInt64; +typedef ErlNapiUInt ErlDrvUInt; +typedef ErlNapiSInt ErlDrvSInt; +typedef ErlNapiUInt ErlDrvTermData; #if defined(__WIN32__) || defined(_WIN32) typedef ErlDrvUInt ErlDrvSizeT; @@ -242,6 +189,17 @@ typedef struct { unsigned long microsecs; } ErlDrvNowData; +typedef ErlDrvSInt64 ErlDrvTime; + +#define ERL_DRV_TIME_ERROR ((ErlDrvSInt64) ERTS_NAPI_TIME_ERROR__) + +typedef enum { + ERL_DRV_SEC = ERTS_NAPI_SEC__, + ERL_DRV_MSEC = ERTS_NAPI_MSEC__, + ERL_DRV_USEC = ERTS_NAPI_USEC__, + ERL_DRV_NSEC = ERTS_NAPI_NSEC__ +} ErlDrvTimeUnit; + /* * Error codes that can be return from driver. */ @@ -678,8 +636,16 @@ EXTERN long driver_async(ErlDrvPort ix, EXTERN int driver_lock_driver(ErlDrvPort ix); /* Get the current 'now' timestamp (analogue to erlang:now()) */ -EXTERN int driver_get_now(ErlDrvNowData *now); - +EXTERN int driver_get_now(ErlDrvNowData *now) ERL_DRV_DEPRECATED_FUNC; + +/* Erlang Monotonic Time */ +EXTERN ErlDrvTime erl_drv_monotonic_time(ErlDrvTimeUnit time_unit); +/* Time offset between Erlang Monotonic Time and Erlang System Time */ +EXTERN ErlDrvTime erl_drv_time_offset(ErlDrvTimeUnit time_unit); +/* Time unit conversion */ +EXTERN ErlDrvTime erl_drv_convert_time_unit(ErlDrvTime val, + ErlDrvTimeUnit from, + ErlDrvTimeUnit to); /* These were removed from the ANSI version, now they're back. */ diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h index e2385f63f4..f6b946ae82 100644 --- a/erts/emulator/beam/erl_drv_nif.h +++ b/erts/emulator/beam/erl_drv_nif.h @@ -50,6 +50,90 @@ typedef enum { } ErlDrvDirtyJobFlags; #endif +#ifdef SIZEOF_CHAR +# define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR +# undef SIZEOF_CHAR +#endif +#ifdef SIZEOF_SHORT +# define SIZEOF_SHORT_SAVED__ SIZEOF_SHORT +# undef SIZEOF_SHORT +#endif +#ifdef SIZEOF_INT +# define SIZEOF_INT_SAVED__ SIZEOF_INT +# undef SIZEOF_INT +#endif +#ifdef SIZEOF_LONG +# define SIZEOF_LONG_SAVED__ SIZEOF_LONG +# undef SIZEOF_LONG +#endif +#ifdef SIZEOF_LONG_LONG +# define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG +# undef SIZEOF_LONG_LONG +#endif +#ifdef HALFWORD_HEAP_EMULATOR +# define HALFWORD_HEAP_EMULATOR_SAVED__ HALFWORD_HEAP_EMULATOR +# undef HALFWORD_HEAP_EMULATOR +#endif +#include "erl_int_sizes_config.h" +#if defined(SIZEOF_CHAR_SAVED__) && SIZEOF_CHAR_SAVED__ != SIZEOF_CHAR +# error SIZEOF_CHAR mismatch +#endif +#if defined(SIZEOF_SHORT_SAVED__) && SIZEOF_SHORT_SAVED__ != SIZEOF_SHORT +# error SIZEOF_SHORT mismatch +#endif +#if defined(SIZEOF_INT_SAVED__) && SIZEOF_INT_SAVED__ != SIZEOF_INT +# error SIZEOF_INT mismatch +#endif +#if defined(SIZEOF_LONG_SAVED__) && SIZEOF_LONG_SAVED__ != SIZEOF_LONG +# error SIZEOF_LONG mismatch +#endif +#if defined(SIZEOF_LONG_LONG_SAVED__) && SIZEOF_LONG_LONG_SAVED__ != SIZEOF_LONG_LONG +# error SIZEOF_LONG_LONG mismatch +#endif + +#if !defined(__GNUC__) && (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_)) +typedef unsigned __int64 ErlNapiUInt64; +typedef signed __int64 ErlNapiSInt64; +#define ERL_NAPI_SINT64_MAX__ 9223372036854775807i64 +#define ERL_NAPI_SINT64_MIN__ (-ERL_NAPI_SINT64_MAX__ - 1i64) +#elif SIZEOF_LONG == 8 +typedef unsigned long ErlNapiUInt64; +typedef signed long ErlNapiSInt64; +#define ERL_NAPI_SINT64_MAX__ 9223372036854775807L +#define ERL_NAPI_SINT64_MIN__ (-ERL_NAPI_SINT64_MAX__ - 1L) +#elif SIZEOF_LONG_LONG == 8 +typedef unsigned long long ErlNapiUInt64; +typedef signed long long ErlNapiSInt64; +#define ERL_NAPI_SINT64_MAX__ 9223372036854775807LL +#define ERL_NAPI_SINT64_MIN__ (-ERL_NAPI_SINT64_MAX__ - 1LL) +#else +# error No 64-bit integer type +#endif + +#if SIZEOF_VOID_P == 8 +typedef ErlNapiUInt64 ErlNapiUInt; +typedef ErlNapiSInt64 ErlNapiSInt; +#elif SIZEOF_VOID_P == 4 +# if SIZEOF_LONG == SIZEOF_VOID_P +typedef unsigned long ErlNapiUInt; +typedef signed long ErlNapiSInt; +# elif SIZEOF_INT == SIZEOF_VOID_P +typedef unsigned int ErlNapiUInt; +typedef signed int ErlNapiSInt; +# else +# error No 32-bit integer type +# endif +#else +# error Not support arch +#endif + +#define ERTS_NAPI_TIME_ERROR__ ERL_NAPI_SINT64_MIN__ + +#define ERTS_NAPI_SEC__ 0 +#define ERTS_NAPI_MSEC__ 1 +#define ERTS_NAPI_USEC__ 2 +#define ERTS_NAPI_NSEC__ 3 + #endif /* __ERL_DRV_NIF_H__ */ diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 06acece471..21b03ae8bd 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -576,6 +576,7 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, int reds; ErtsMonotonicTime start_time = 0; /* Shut up faulty warning... */ ErtsSchedulerData *esdp; + ERTS_MSACC_PUSH_STATE_M(); #ifdef USE_VM_PROBES DTRACE_CHARBUF(pidbuf, DTRACE_TERM_BUF_SIZE); #endif @@ -588,6 +589,8 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, else if (p->live_hf_end != ERTS_INVALID_HFRAG_PTR) live_hf_end = p->live_hf_end; + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_GC); + esdp = erts_get_scheduler_data(); if (IS_TRACED_FL(p, F_TRACE_GC)) { @@ -624,9 +627,11 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, } else { do_major_collection: + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_GC_FULL); DTRACE2(gc_major_start, pidbuf, need); reds = major_collection(p, live_hf_end, need, objv, nobj, &reclaimed_now); DTRACE2(gc_major_end, pidbuf, reclaimed_now); + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_GC); } reset_active_writer(p); @@ -669,6 +674,8 @@ garbage_collect(Process* p, ErlHeapFragment *live_hf_end, FLAGS(p) &= ~F_FORCE_GC; p->live_hf_end = ERTS_INVALID_HFRAG_PTR; + ERTS_MSACC_POP_STATE_M(); + #ifdef CHECK_FOR_HOLES /* * We intentionally do not rescan the areas copied by the GC. diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 42aca726bf..67089df863 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -152,7 +152,7 @@ volatile int erts_writing_erl_crash_dump = 0; int erts_initialized = 0; #if defined(USE_THREADS) && !defined(ERTS_SMP) -static erts_tid_t main_thread; +erts_tid_t erts_main_thread; #endif int erts_use_sender_punish; @@ -394,6 +394,7 @@ erl_init(int ncpu, #endif packet_parser_init(); erl_nif_init(); + erts_msacc_init(); } static Eterm @@ -744,6 +745,10 @@ early_init(int *argc, char **argv) /* char envbuf[21]; /* enough for any 64-bit integer */ size_t envbufsz; +#if defined(USE_THREADS) && !defined(ERTS_SMP) + erts_main_thread = erts_thr_self(); +#endif + erts_save_emu_args(*argc, argv); erts_sched_compact_load = 1; @@ -797,9 +802,6 @@ early_init(int *argc, char **argv) /* (erts_aint32_t) ((Uint16) -1)); erts_pre_init_process(); -#if defined(USE_THREADS) && !defined(ERTS_SMP) - main_thread = erts_thr_self(); -#endif /* * We need to know the number of schedulers to use before we @@ -1193,6 +1195,7 @@ early_init(int *argc, char **argv) /* erts_thr_late_init(&elid); } #endif + erts_msacc_early_init(); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_late_init(); @@ -2220,6 +2223,7 @@ erl_start(int argc, char **argv) #else { ErtsSchedulerData *esdp = erts_get_scheduler_data(); + erts_msacc_init_thread("scheduler", 1, 1); erts_thr_set_main_status(1, 1); #if ERTS_USE_ASYNC_READY_Q esdp->aux_work_data.async_ready.queue @@ -2285,7 +2289,7 @@ system_cleanup(int flush_async) if (!flush_async || !erts_initialized #if defined(USE_THREADS) && !defined(ERTS_SMP) - || !erts_equal_tids(main_thread, erts_thr_self()) + || !erts_equal_tids(erts_main_thread, erts_thr_self()) #endif ) return; diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index f7b4bd8041..598bf84c0b 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -137,6 +137,8 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "mmap_init_atoms", NULL }, { "drv_tsd", NULL }, { "async_enq_mtx", NULL }, + { "msacc_list_mutex", NULL }, + { "msacc_unmanaged_mutex", NULL }, #ifdef ERTS_SMP { "atom_tab", NULL }, { "misc_op_list_pre_alloc_lock", "address" }, diff --git a/erts/emulator/beam/erl_message.c b/erts/emulator/beam/erl_message.c index b3e74e3e6a..88efb2c59f 100644 --- a/erts/emulator/beam/erl_message.c +++ b/erts/emulator/beam/erl_message.c @@ -1504,7 +1504,7 @@ erts_factory_message_create(ErtsHeapFactory* factory, } if (on_heap) { - ASSERT(*proc_locksp & ERTS_PROC_LOCK_MAIN); + ERTS_SMP_ASSERT(*proc_locksp & ERTS_PROC_LOCK_MAIN); ASSERT(ohp == &proc->off_heap); factory->mode = FACTORY_HALLOC; factory->p = proc; diff --git a/erts/emulator/beam/erl_msacc.c b/erts/emulator/beam/erl_msacc.c new file mode 100644 index 0000000000..71e3fd8b6e --- /dev/null +++ b/erts/emulator/beam/erl_msacc.c @@ -0,0 +1,486 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2014-2015. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ + +/* + * Description: Microstate accounting. + * + * We keep track of the different states that the + * Erlang VM threads are in, in order to provide + * performance/debugging statistics. There is a + * small overhead in enabling this, but in the big + * scheme of things it should be negligible. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#define ERTS_MSACC_STATE_STRINGS 1 + +#include "sys.h" +#include "global.h" +#include "erl_threads.h" +#include "erl_bif_unique.h" +#include "erl_map.h" +#include "erl_msacc.h" + +#if ERTS_ENABLE_MSACC + +static Eterm erts_msacc_gather_stats(ErtsMsAcc *msacc, Eterm **hpp, Uint *szp); +static void erts_msacc_reset(ErtsMsAcc *msacc); +static ErtsMsAcc* get_msacc(void); + +#ifdef USE_THREADS +erts_tsd_key_t ERTS_WRITE_UNLIKELY(erts_msacc_key); +#else +ErtsMsAcc *ERTS_WRITE_UNLIKELY(erts_msacc) = NULL; +#endif +int ERTS_WRITE_UNLIKELY(erts_msacc_enabled); + +static Eterm *erts_msacc_state_atoms = NULL; +static erts_rwmtx_t msacc_mutex; +static ErtsMsAcc *msacc_managed = NULL; +#ifdef USE_THREADS +static ErtsMsAcc *msacc_unmanaged = NULL; +static Uint msacc_unmanaged_count = 0; +#endif + +/* we have to split initiation as atoms are not inited in early init */ +void erts_msacc_early_init(void) { +#ifndef ERTS_MSACC_ALWAYS_ON + erts_msacc_enabled = 0; +#endif + erts_rwmtx_init(&msacc_mutex,"msacc_list_mutex"); +#ifdef USE_THREADS + erts_tsd_key_create(&erts_msacc_key,"erts_msacc_key"); +#else + erts_msacc = NULL; +#endif +} + +void erts_msacc_init(void) { + int i; + erts_msacc_state_atoms = erts_alloc(ERTS_ALC_T_MSACC, + sizeof(Eterm)*ERTS_MSACC_STATE_COUNT); + for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) { + erts_msacc_state_atoms[i] = am_atom_put(erts_msacc_states[i], + strlen(erts_msacc_states[i])); + } +} + +void erts_msacc_init_thread(char *type, int id, int managed) { + ErtsMsAcc *msacc; + + msacc = erts_alloc(ERTS_ALC_T_MSACC, sizeof(ErtsMsAcc)); + + msacc->type = strdup(type); + msacc->id = make_small(id); + msacc->unmanaged = !managed; + msacc->tid = erts_thr_self(); + msacc->perf_counter = 0; + +#ifdef USE_THREADS + erts_rwmtx_rwlock(&msacc_mutex); + if (!managed) { + erts_mtx_init(&msacc->mtx,"msacc_unmanaged_mutex"); + msacc->next = msacc_unmanaged; + msacc_unmanaged = msacc; + msacc_unmanaged_count++; + ERTS_MSACC_TSD_SET(msacc); + } else { + msacc->next = msacc_managed; + msacc_managed = msacc; + } + erts_rwmtx_rwunlock(&msacc_mutex); +#else + msacc_managed = msacc; +#endif + + erts_msacc_reset(msacc); + +#ifdef ERTS_MSACC_ALWAYS_ON + ERTS_MSACC_TSD_SET(msacc); + msacc->perf_counter = erts_sys_perf_counter(); + msacc->state = ERTS_MSACC_STATE_OTHER; +#endif +} + +/* + * Creates a structure looking like this + * #{ type => scheduler, id => 1, counters => #{ State1 => Counter1 ... StateN => CounterN}} + */ +static +Eterm erts_msacc_gather_stats(ErtsMsAcc *msacc, Eterm **hpp, Uint *szp) { + int i; + Eterm *hp; + Eterm key, state_key, state_map; + Eterm res = THE_NON_VALUE; + flatmap_t *map; + + if (szp) { + *szp += MAP_HEADER_FLATMAP_SZ + 1 + 2*(3); + *szp += MAP_HEADER_FLATMAP_SZ + 1 + 2*(ERTS_MSACC_STATE_COUNT); + for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) { + (void)erts_bld_sint64(NULL,szp,(Sint64)msacc->perf_counters[i]); +#ifdef ERTS_MSACC_STATE_COUNTERS + (void)erts_bld_uint64(NULL,szp,msacc->state_counters[i]); + *szp += 3; /* tuple to put state+perf counter in */ +#endif + } + } + + if (hpp) { + Eterm counters[ERTS_MSACC_STATE_COUNT]; + hp = *hpp; + for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) { + Eterm counter = erts_bld_sint64(&hp,NULL,(Sint64)msacc->perf_counters[i]); +#ifdef ERTS_MSACC_STATE_COUNTERS + Eterm counter__ = erts_bld_uint64(&hp,NULL,msacc->state_counters[i]); + counters[i] = TUPLE2(hp,counter,counter__); + hp += 3; +#else + counters[i] = counter; +#endif + } + + key = TUPLE3(hp,am_counters,am_id,am_type); + hp += 4; + + state_key = make_tuple(hp); + hp[0] = make_arityval(ERTS_MSACC_STATE_COUNT); + + for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) + hp[1+i] = erts_msacc_state_atoms[i]; + hp += 1 + ERTS_MSACC_STATE_COUNT; + + map = (flatmap_t*)hp; + hp += MAP_HEADER_FLATMAP_SZ; + map->thing_word = MAP_HEADER_FLATMAP; + map->size = ERTS_MSACC_STATE_COUNT; + map->keys = state_key; + for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) + hp[i] = counters[i]; + hp += ERTS_MSACC_STATE_COUNT; + state_map = make_flatmap(map); + + map = (flatmap_t*)hp; + hp += MAP_HEADER_FLATMAP_SZ; + map->thing_word = MAP_HEADER_FLATMAP; + map->size = 3; + map->keys = key; + hp[0] = state_map; + hp[1] = msacc->id; + hp[2] = am_atom_put(msacc->type,strlen(msacc->type)); + hp += 3; + + *hpp = hp; + res = make_flatmap(map); + } + + return res; +} + +typedef struct { + int action; + Process *proc; + Eterm ref; + Eterm ref_heap[REF_THING_SIZE]; + Uint req_sched; + erts_smp_atomic32_t refc; +} ErtsMSAccReq; + +static ErtsMsAcc* get_msacc(void) { + ErtsMsAcc *msacc; + erts_rwmtx_rlock(&msacc_mutex); + msacc = msacc_managed; + while (!erts_equal_tids(msacc->tid,erts_thr_self())) { + msacc = msacc->next; + ASSERT(msacc != NULL); + } + erts_rwmtx_runlock(&msacc_mutex); + return msacc; +} + +static void send_reply(ErtsMsAcc *msacc, ErtsMSAccReq *msaccrp) { + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + Process *rp = msaccrp->proc; + ErtsMessage *msgp = NULL; + Eterm **hpp, *hp; + Eterm ref_copy = NIL, msg; + Uint sz, *szp; + ErlOffHeap *ohp = NULL; + ErtsProcLocks rp_locks = (esdp && msaccrp->req_sched == esdp->no + ? ERTS_PROC_LOCK_MAIN : 0); + + sz = 0; + hpp = NULL; + szp = &sz; + + if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx); + + while (1) { + if (hpp) + ref_copy = STORE_NC(hpp, ohp, msaccrp->ref); + else + *szp += REF_THING_SIZE; + + if (msaccrp->action != ERTS_MSACC_GATHER) + msg = ref_copy; + else { + msg = erts_msacc_gather_stats(msacc, hpp, szp); + msg = erts_bld_tuple(hpp, szp, 2, ref_copy, msg); + } + if (hpp) + break; + + msgp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); + hpp = &hp; + szp = NULL; + } + + if (msacc->unmanaged) erts_mtx_unlock(&msacc->mtx); + + erts_queue_message(rp, &rp_locks, msgp, msg, NIL); + + if (esdp && msaccrp->req_sched == esdp->no) + rp_locks &= ~ERTS_PROC_LOCK_MAIN; + + if (rp_locks) + erts_smp_proc_unlock(rp, rp_locks); + +} + +static void +reply_msacc(void *vmsaccrp) +{ + ErtsMsAcc *msacc = ERTS_MSACC_TSD_GET(); + ErtsMSAccReq *msaccrp = (ErtsMSAccReq *) vmsaccrp; + + ASSERT(!msacc || !msacc->unmanaged); + + if (msaccrp->action == ERTS_MSACC_ENABLE && !msacc) { + msacc = get_msacc(); + + msacc->perf_counter = erts_sys_perf_counter(); + + msacc->state = ERTS_MSACC_STATE_OTHER; + + ERTS_MSACC_TSD_SET(msacc); + + } else if (msaccrp->action == ERTS_MSACC_DISABLE && msacc) { + ERTS_MSACC_TSD_SET(NULL); + } else if (msaccrp->action == ERTS_MSACC_RESET) { + msacc = msacc ? msacc : get_msacc(); + erts_msacc_reset(msacc); + } else if (msaccrp->action == ERTS_MSACC_GATHER && !msacc) { + msacc = get_msacc(); + } + + ASSERT(!msacc || !msacc->unmanaged); + + send_reply(msacc, msaccrp); + + erts_proc_dec_refc(msaccrp->proc); + + if (erts_smp_atomic32_dec_read_nob(&msaccrp->refc) == 0) + erts_free(ERTS_ALC_T_MSACC, vmsaccrp); +} + +static void erts_msacc_reset(ErtsMsAcc *msacc) { + int i; + if (msacc->unmanaged) erts_mtx_lock(&msacc->mtx); + + for (i = 0; i < ERTS_MSACC_STATE_COUNT; i++) { + msacc->perf_counters[i] = 0; +#ifdef ERTS_MSACC_STATE_COUNTERS + msacc->state_counters[i] = 0; +#endif + } + + if (msacc->unmanaged) erts_mtx_unlock(&msacc->mtx); +} + +#endif /* ERTS_ENABLE_MSACC */ + + +/* + * This function is responsible for enabling, disabling, resetting and + * gathering data related to microstate accounting. + * + * Managed threads and unmanaged threads are handled differently. + * - managed threads get a misc_aux job telling them to switch on msacc + * - unmanaged have some fields protected by a mutex that has to be taken + * before any values can be updated + * + * For performance reasons there is also a global value erts_msacc_enabled + * that controls the state of all threads. Statistics gathering is only on + * if erts_msacc_enabled && msacc is true. + */ +Eterm +erts_msacc_request(Process *c_p, int action, Eterm *threads) +{ +#ifdef ERTS_ENABLE_MSACC + ErtsMsAcc *msacc = ERTS_MSACC_TSD_GET(); + ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + Eterm ref; + ErtsMSAccReq *msaccrp; + Eterm *hp; + + +#ifdef ERTS_MSACC_ALWAYS_ON + if (action == ERTS_MSACC_ENABLE || action == ERTS_MSACC_DISABLE) + return THE_NON_VALUE; +#else + /* take care of double enable, and double disable here */ + if (msacc && action == ERTS_MSACC_ENABLE) { + return THE_NON_VALUE; + } else if (!msacc && action == ERTS_MSACC_DISABLE) { + return THE_NON_VALUE; + } +#endif + + ref = erts_make_ref(c_p); + + msaccrp = erts_alloc(ERTS_ALC_T_MSACC, sizeof(ErtsMSAccReq)); + hp = &msaccrp->ref_heap[0]; + + msaccrp->action = action; + msaccrp->proc = c_p; + msaccrp->ref = STORE_NC(&hp, NULL, ref); + msaccrp->req_sched = esdp->no; + +#ifdef ERTS_SMP + *threads = erts_no_schedulers; + *threads += 1; /* aux thread */ +#else + *threads = 1; +#endif + + erts_smp_atomic32_init_nob(&msaccrp->refc,(erts_aint32_t)*threads); + + erts_proc_add_refc(c_p, *threads); + + if (erts_no_schedulers > 1) + erts_schedule_multi_misc_aux_work(1, + erts_no_schedulers, + reply_msacc, + (void *) msaccrp); +#ifdef ERTS_SMP + /* aux thread */ + erts_schedule_misc_aux_work(0, reply_msacc, (void *) msaccrp); +#endif + +#ifdef USE_THREADS + /* Manage unmanaged threads */ + switch (action) { + case ERTS_MSACC_GATHER: { + Uint unmanaged_count; + ErtsMsAcc *msacc, **unmanaged; + int i = 0; + + /* we copy a list of pointers here so that we do not have to have + the msacc_mutex when sending messages */ + erts_rwmtx_rlock(&msacc_mutex); + unmanaged_count = msacc_unmanaged_count; + unmanaged = erts_alloc(ERTS_ALC_T_MSACC, + sizeof(ErtsMsAcc*)*unmanaged_count); + + for (i = 0, msacc = msacc_unmanaged; + i < unmanaged_count; + i++, msacc = msacc->next) { + unmanaged[i] = msacc; + } + erts_rwmtx_runlock(&msacc_mutex); + + for (i = 0; i < unmanaged_count; i++) { + erts_mtx_lock(&unmanaged[i]->mtx); + if (unmanaged[i]->perf_counter) { + ErtsSysPerfCounter perf_counter; + /* if enabled update stats */ + perf_counter = erts_sys_perf_counter(); + unmanaged[i]->perf_counters[unmanaged[i]->state] += + perf_counter - unmanaged[i]->perf_counter; + unmanaged[i]->perf_counter = perf_counter; + } + erts_mtx_unlock(&unmanaged[i]->mtx); + send_reply(unmanaged[i],msaccrp); + } + erts_free(ERTS_ALC_T_MSACC,unmanaged); + /* We have just sent unmanaged_count messages, so bump no of threads */ + *threads += unmanaged_count; + break; + } + case ERTS_MSACC_RESET: { + ErtsMsAcc *msacc; + erts_rwmtx_rlock(&msacc_mutex); + for (msacc = msacc_unmanaged; msacc != NULL; msacc = msacc->next) + erts_msacc_reset(msacc); + erts_rwmtx_runlock(&msacc_mutex); + break; + } + case ERTS_MSACC_ENABLE: { + erts_rwmtx_rlock(&msacc_mutex); + for (msacc = msacc_unmanaged; msacc != NULL; msacc = msacc->next) { + erts_mtx_lock(&msacc->mtx); + msacc->perf_counter = erts_sys_perf_counter(); + /* we assume the unmanaged thread is sleeping */ + msacc->state = ERTS_MSACC_STATE_SLEEP; + erts_mtx_unlock(&msacc->mtx); + } + erts_rwmtx_runlock(&msacc_mutex); + break; + } + case ERTS_MSACC_DISABLE: { + ErtsSysPerfCounter perf_counter; + erts_rwmtx_rlock(&msacc_mutex); + /* make sure to update stats with latest results */ + for (msacc = msacc_unmanaged; msacc != NULL; msacc = msacc->next) { + erts_mtx_lock(&msacc->mtx); + perf_counter = erts_sys_perf_counter(); + msacc->perf_counters[msacc->state] += perf_counter - msacc->perf_counter; + msacc->perf_counter = 0; + erts_mtx_unlock(&msacc->mtx); + } + erts_rwmtx_runlock(&msacc_mutex); + break; + } + default: { ASSERT(0); } + } + +#endif + + *threads = make_small(*threads); + + reply_msacc((void *) msaccrp); + +#ifndef ERTS_MSACC_ALWAYS_ON + /* enable/disable the global value */ + if (action == ERTS_MSACC_ENABLE) { + erts_msacc_enabled = 1; + } else if (action == ERTS_MSACC_DISABLE) { + erts_msacc_enabled = 0; + } +#endif + + return ref; +#else + return THE_NON_VALUE; +#endif +} diff --git a/erts/emulator/beam/erl_msacc.h b/erts/emulator/beam/erl_msacc.h new file mode 100644 index 0000000000..284388f7aa --- /dev/null +++ b/erts/emulator/beam/erl_msacc.h @@ -0,0 +1,409 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2014-2015. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ + +#ifndef ERL_MSACC_H__ +#define ERL_MSACC_H__ + +/* Can be enabled/disabled via configure */ +#if ERTS_ENABLE_MSACC == 2 +#define ERTS_MSACC_EXTENDED_STATES 1 +#endif + +/* Uncomment this to also count the number of + transitions to a state. This will add a count + to the counter map. */ +/* #define ERTS_MSACC_STATE_COUNTERS 1 */ + +/* Uncomment this to make msacc to always be on, + this reduces overhead a little bit when profiling */ +/* #define ERTS_MSACC_ALWAYS_ON 1 */ + +#define ERTS_MSACC_DISABLE 0 +#define ERTS_MSACC_ENABLE 1 +#define ERTS_MSACC_RESET 2 +#define ERTS_MSACC_GATHER 3 + +/* + * When adding a new state, you have to: + * * Add it here + * * Increment ERTS_MSACC_STATE_COUNT + * * Add string value to erts_msacc_states + * * Have to be in alphabetical order! + * * Only add states to the non-extended section after + * careful benchmarking to make sure the overhead + * when disabled is minimal. + */ + +#ifndef ERTS_MSACC_EXTENDED_STATES +#define ERTS_MSACC_STATE_AUX 0 +#define ERTS_MSACC_STATE_CHECK_IO 1 +#define ERTS_MSACC_STATE_EMULATOR 2 +#define ERTS_MSACC_STATE_GC 3 +#define ERTS_MSACC_STATE_OTHER 4 +#define ERTS_MSACC_STATE_PORT 5 +#define ERTS_MSACC_STATE_SLEEP 6 + +#define ERTS_MSACC_STATE_COUNT 7 + +#if ERTS_MSACC_STATE_STRINGS && ERTS_ENABLE_MSACC +static char *erts_msacc_states[] = { + "aux", + "check_io", + "emulator", + "gc", + "other", + "port", + "sleep" +}; +#endif + +#else + +#define ERTS_MSACC_STATE_ALLOC 0 +#define ERTS_MSACC_STATE_AUX 1 +#define ERTS_MSACC_STATE_BIF 2 +#define ERTS_MSACC_STATE_BUSY_WAIT 3 +#define ERTS_MSACC_STATE_CHECK_IO 4 +#define ERTS_MSACC_STATE_EMULATOR 5 +#define ERTS_MSACC_STATE_ETS 6 +#define ERTS_MSACC_STATE_GC 7 +#define ERTS_MSACC_STATE_GC_FULL 8 +#define ERTS_MSACC_STATE_NIF 9 +#define ERTS_MSACC_STATE_OTHER 10 +#define ERTS_MSACC_STATE_PORT 11 +#define ERTS_MSACC_STATE_SEND 12 +#define ERTS_MSACC_STATE_SLEEP 13 +#define ERTS_MSACC_STATE_TIMERS 14 + +#define ERTS_MSACC_STATE_COUNT 15 + +#if ERTS_MSACC_STATE_STRINGS +static char *erts_msacc_states[] = { + "alloc", + "aux", + "bif", + "busy_wait", + "check_io", + "emulator", + "ets", + "gc", + "gc_full", + "nif", + "other", + "port", + "send", + "sleep", + "timers" +}; +#endif + +#endif + +typedef struct erl_msacc_t_ ErtsMsAcc; + +struct erl_msacc_t_ { + + /* the the values below are protected by mtx iff unmanaged = 1 */ + ErtsSysPerfCounter perf_counter; + ErtsSysPerfCounter perf_counters[ERTS_MSACC_STATE_COUNT]; +#ifdef ERTS_MSACC_STATE_COUNTERS + Uint64 state_counters[ERTS_MSACC_STATE_COUNT]; +#endif + Uint state; + + /* protected by msacc_mutex in erl_msacc.c, and should be constant */ + int unmanaged; + erts_mtx_t mtx; + ErtsMsAcc *next; + erts_tid_t tid; + Eterm id; + char *type; +}; + +#if ERTS_ENABLE_MSACC + +#define ERTS_MSACC_INLINE ERTS_GLB_INLINE + +#ifdef USE_THREADS +extern erts_tsd_key_t erts_msacc_key; +#else +extern ErtsMsAcc *erts_msacc; +#endif + +#ifdef ERTS_MSACC_ALWAYS_ON +#define erts_msacc_enabled 1 +#else +extern int erts_msacc_enabled; +#endif + +#ifdef USE_THREADS +#define ERTS_MSACC_TSD_GET() erts_tsd_get(erts_msacc_key) +#define ERTS_MSACC_TSD_SET(tsd) erts_tsd_set(erts_msacc_key,tsd) +#else +#define ERTS_MSACC_TSD_GET() erts_msacc +#define ERTS_MSACC_TSD_SET(tsd) erts_msacc = tsd +#endif + +void erts_msacc_early_init(void); +void erts_msacc_init(void); +void erts_msacc_init_thread(char *type, int id, int liberty); + +/* The defines below are used to instrument the vm code + * with different state changes. There are two variants + * of each define. One that has a cached ErtsMsAcc * + * that it can use, and one that does not. + * The cached values are necessary to have in order to get + * low enough overhead when running without msacc enabled. + * + * The two most common patterns to use the function with are: + * + * ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_NEWSTATE); + * ... call other function in new state ... + * ERTS_MSACC_POP_STATE(); + * + * Note that the erts_msacc_push* function declare new variables, so + * to conform with C89 we have to call it in the beginning of a function. + * We might not want to change state it the beginning though, so we use this: + * + * ERTS_MSACC_PUSH_STATE(); + * ... some other code ... + * ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_NEWSTATE); + * ... call other function in new state ... + * ERTS_MSACC_POP_STATE(); + * + * Notice that we used the cached version of set_state as push_state already + * read the erts_msacc_enabled to the cache. + * + * Most macros also have other variants with the suffix _m which means that + * they are known to only be called in managed threads, or with the _x suffix + * which means that it should only be used in an emulator compiled with + * extended states. + * + * Here is a listing of the entire api: + * + * void ERTS_MSACC_DECLARE_CACHE() + * void ERTS_MSACC_UPDATE_CACHE() + * void ERTS_MSACC_IS_ENABLED() + * void ERTS_MSACC_IS_ENABLED_CACHED() + * + * void ERTS_MSACC_PUSH_STATE() + * void ERTS_MSACC_SET_STATE(int state) + * void ERTS_MSACC_PUSH_AND_SET_STATE(int state) + * + * void ERTS_MSACC_PUSH_STATE_CACHED() + * void ERTS_MSACC_SET_STATE_CACHED(int state) + * void ERTS_MSACC_PUSH_AND_SET_STATE_CACHED(int state) + * void ERTS_MSACC_POP_STATE() + * + * void ERTS_MSACC_PUSH_STATE_M() + * void ERTS_MSACC_PUSH_STATE_CACHED_M() + * void ERTS_MSACC_SET_STATE_CACHED_M(int state) + * void ERTS_MSACC_SET_STATE_M(int state) + * void ERTS_MSACC_POP_STATE_M() + * void ERTS_MSACC_PUSH_AND_SET_STATE_M(int state) + * + * Most functions are also available with an _x suffix that are only enabled + * when using the extra states. If they are not, just add them to the end + * of this file. + */ + +/* cache handling functions */ +#define ERTS_MSACC_IS_ENABLED() ERTS_UNLIKELY(erts_msacc_enabled) +#define ERTS_MSACC_DECLARE_CACHE() \ + ErtsMsAcc *ERTS_MSACC_UPDATE_CACHE(); \ + ERTS_DECLARE_DUMMY(Uint __erts_msacc_state) = ERTS_MSACC_STATE_OTHER; +#define ERTS_MSACC_IS_ENABLED_CACHED() ERTS_UNLIKELY(__erts_msacc_cache != NULL) +#define ERTS_MSACC_UPDATE_CACHE() \ + __erts_msacc_cache = erts_msacc_enabled ? ERTS_MSACC_TSD_GET() : NULL + + +/* The defines below implicitly declare and load a new cache */ +#define ERTS_MSACC_PUSH_STATE() \ + ERTS_MSACC_DECLARE_CACHE(); \ + ERTS_MSACC_PUSH_STATE_CACHED() +#define ERTS_MSACC_SET_STATE(state) \ + ERTS_MSACC_DECLARE_CACHE(); \ + ERTS_MSACC_SET_STATE_CACHED(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE(state) \ + ERTS_MSACC_PUSH_STATE(); ERTS_MSACC_SET_STATE_CACHED(state) + +/* The defines below need an already declared cache to work */ +#define ERTS_MSACC_PUSH_STATE_CACHED() \ + __erts_msacc_state = ERTS_MSACC_IS_ENABLED_CACHED() ? \ + erts_msacc_get_state_um__(__erts_msacc_cache) : ERTS_MSACC_STATE_OTHER +#define ERTS_MSACC_SET_STATE_CACHED(state) \ + if (ERTS_MSACC_IS_ENABLED_CACHED()) \ + erts_msacc_set_state_um__(__erts_msacc_cache, state, 1) +#define ERTS_MSACC_PUSH_AND_SET_STATE_CACHED(state) \ + ERTS_MSACC_PUSH_STATE_CACHED(); ERTS_MSACC_SET_STATE_CACHED(state) +#define ERTS_MSACC_POP_STATE() \ + if (ERTS_MSACC_IS_ENABLED_CACHED()) \ + erts_msacc_set_state_um__(__erts_msacc_cache, __erts_msacc_state, 0) + +/* Only use these defines when we know that we have in a managed thread */ +#define ERTS_MSACC_PUSH_STATE_M() \ + ERTS_MSACC_DECLARE_CACHE(); \ + ERTS_MSACC_PUSH_STATE_CACHED_M() +#define ERTS_MSACC_PUSH_STATE_CACHED_M() \ + __erts_msacc_state = ERTS_MSACC_IS_ENABLED_CACHED() ? \ + erts_msacc_get_state_m__(__erts_msacc_cache) : ERTS_MSACC_STATE_OTHER +#define ERTS_MSACC_SET_STATE_M(state) \ + ERTS_MSACC_DECLARE_CACHE(); \ + ERTS_MSACC_SET_STATE_CACHED_M(state) +#define ERTS_MSACC_SET_STATE_CACHED_M(state) \ + if (ERTS_MSACC_IS_ENABLED_CACHED()) \ + erts_msacc_set_state_m__(__erts_msacc_cache, state, 1) +#define ERTS_MSACC_POP_STATE_M() \ + if (ERTS_MSACC_IS_ENABLED_CACHED()) \ + erts_msacc_set_state_m__(__erts_msacc_cache, __erts_msacc_state, 0) +#define ERTS_MSACC_PUSH_AND_SET_STATE_M(state) \ + ERTS_MSACC_PUSH_STATE_M(); ERTS_MSACC_SET_STATE_CACHED_M(state) + +ERTS_MSACC_INLINE +void erts_msacc_set_state_um__(ErtsMsAcc *msacc,Uint state,int increment); +ERTS_MSACC_INLINE +void erts_msacc_set_state_m__(ErtsMsAcc *msacc,Uint state,int increment); + +ERTS_MSACC_INLINE +Uint erts_msacc_get_state_um__(ErtsMsAcc *msacc); +ERTS_MSACC_INLINE +Uint erts_msacc_get_state_m__(ErtsMsAcc *msacc); + + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF + +ERTS_MSACC_INLINE +Uint erts_msacc_get_state_um__(ErtsMsAcc *msacc) { + Uint state; + if (msacc->unmanaged) + erts_mtx_lock(&msacc->mtx); + state = msacc->state; + if (msacc->unmanaged) + erts_mtx_unlock(&msacc->mtx); + return state; +} + +ERTS_MSACC_INLINE +Uint erts_msacc_get_state_m__(ErtsMsAcc *msacc) { + return msacc->state; +} + +ERTS_MSACC_INLINE +void erts_msacc_set_state_um__(ErtsMsAcc *msacc, Uint new_state, int increment) { + if (ERTS_UNLIKELY(msacc->unmanaged)) { + erts_mtx_lock(&msacc->mtx); + msacc->state = new_state; + if (ERTS_LIKELY(!msacc->perf_counter)) { + erts_mtx_unlock(&msacc->mtx); + return; + } + } + + erts_msacc_set_state_m__(msacc,new_state,increment); + + if (ERTS_UNLIKELY(msacc->unmanaged)) + erts_mtx_unlock(&msacc->mtx); +} + +ERTS_MSACC_INLINE +void erts_msacc_set_state_m__(ErtsMsAcc *msacc, Uint new_state, int increment) { + ErtsSysPerfCounter prev_perf_counter; + Sint64 diff; + + if (new_state == msacc->state) + return; + + prev_perf_counter = msacc->perf_counter; + msacc->perf_counter = erts_sys_perf_counter(); + diff = msacc->perf_counter - prev_perf_counter; + ASSERT(diff >= 0); + msacc->perf_counters[msacc->state] += diff; +#ifdef ERTS_MSACC_STATE_COUNTERS + msacc->state_counters[new_state] += increment; +#endif + msacc->state = new_state; +} + +#endif /* ERTS_GLB_INLINE_INCL_FUNC_DEF */ + +#else + +#define ERTS_MSACC_IS_ENABLED() 0 +#define erts_msacc_early_init() +#define erts_msacc_init() +#define erts_msacc_init_thread(type, id, liberty) +#define ERTS_MSACC_PUSH_STATE() +#define ERTS_MSACC_PUSH_STATE_CACHED() +#define ERTS_MSACC_POP_STATE() +#define ERTS_MSACC_SET_STATE(state) +#define ERTS_MSACC_SET_STATE_CACHED(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE_CACHED(state) +#define ERTS_MSACC_UPDATE_CACHE() +#define ERTS_MSACC_IS_ENABLED_CACHED() +#define ERTS_MSACC_DECLARE_CACHE() +#define ERTS_MSACC_PUSH_STATE_M() +#define ERTS_MSACC_PUSH_STATE_CACHED_M() +#define ERTS_MSACC_SET_STATE_CACHED_M(state) +#define ERTS_MSACC_POP_STATE_M() +#define ERTS_MSACC_PUSH_AND_SET_STATE_M(state) + + +#endif /* ERTS_ENABLE_MSACC */ + +#ifndef ERTS_MSACC_EXTENDED_STATES + +#define ERTS_MSACC_PUSH_STATE_X() +#define ERTS_MSACC_POP_STATE_X() +#define ERTS_MSACC_SET_STATE_X(state) +#define ERTS_MSACC_SET_STATE_M_X(state) +#define ERTS_MSACC_SET_STATE_CACHED_X(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE_X(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE_CACHED_X(state) +#define ERTS_MSACC_UPDATE_CACHE_X() +#define ERTS_MSACC_IS_ENABLED_CACHED_X() 0 +#define ERTS_MSACC_DECLARE_CACHE_X() +#define ERTS_MSACC_PUSH_STATE_M_X() +#define ERTS_MSACC_PUSH_STATE_CACHED_M_X() +#define ERTS_MSACC_SET_STATE_CACHED_M_X(state) +#define ERTS_MSACC_POP_STATE_M_X() +#define ERTS_MSACC_PUSH_AND_SET_STATE_M_X(state) + +#else + +#define ERTS_MSACC_PUSH_STATE_X() ERTS_MSACC_PUSH_STATE() +#define ERTS_MSACC_POP_STATE_X() ERTS_MSACC_POP_STATE() +#define ERTS_MSACC_SET_STATE_X(state) ERTS_MSACC_SET_STATE(state) +#define ERTS_MSACC_SET_STATE_M_X(state) ERTS_MSACC_SET_STATE_M(state) +#define ERTS_MSACC_SET_STATE_CACHED_X(state) ERTS_MSACC_SET_STATE_CACHED(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE_X(state) ERTS_MSACC_PUSH_AND_SET_STATE(state) +#define ERTS_MSACC_PUSH_AND_SET_STATE_CACHED_X(state) ERTS_MSACC_PUSH_AND_SET_STATE_CACHED(state) +#define ERTS_MSACC_UPDATE_CACHE_X() ERTS_MSACC_UPDATE_CACHE() +#define ERTS_MSACC_IS_ENABLED_CACHED_X() ERTS_MSACC_IS_ENABLED_CACHED() +#define ERTS_MSACC_DECLARE_CACHE_X() ERTS_MSACC_DECLARE_CACHE() +#define ERTS_MSACC_PUSH_STATE_M_X() ERTS_MSACC_PUSH_STATE_M() +#define ERTS_MSACC_PUSH_STATE_CACHED_M_X() ERTS_MSACC_PUSH_STATE_CACHED_M() +#define ERTS_MSACC_SET_STATE_CACHED_M_X(state) ERTS_MSACC_SET_STATE_CACHED_M(state) +#define ERTS_MSACC_POP_STATE_M_X() ERTS_MSACC_POP_STATE_M() +#define ERTS_MSACC_PUSH_AND_SET_STATE_M_X(state) ERTS_MSACC_PUSH_AND_SET_STATE_M(state) + +#endif /* !ERTS_MSACC_EXTENDED_STATES */ + +#endif /* ERL_MSACC_H__ */ diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index d659788f30..2204231748 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -911,8 +911,13 @@ int enif_get_list_cell(ErlNifEnv* env, Eterm term, Eterm* head, Eterm* tail) int enif_get_list_length(ErlNifEnv* env, Eterm term, unsigned* len) { - if (is_not_list(term) && is_not_nil(term)) return 0; - *len = erts_list_length(term); + Sint i; + Uint u; + + if ((i = erts_list_length(term)) < 0) return 0; + u = (Uint)i; + if ((unsigned)u != u) return 0; + *len = u; return 1; } @@ -1188,6 +1193,26 @@ void enif_thread_exit(void *resp) { erl_drv_thread_exit(resp); } int enif_thread_join(ErlNifTid tid, void **respp) { return erl_drv_thread_join(tid,respp); } int enif_getenv(const char *key, char *value, size_t *value_size) { return erl_drv_getenv(key, value, value_size); } +ErlNifTime enif_monotonic_time(ErlNifTimeUnit time_unit) +{ + return (ErlNifTime) erts_napi_monotonic_time((int) time_unit); +} + +ErlNifTime enif_time_offset(ErlNifTimeUnit time_unit) +{ + return (ErlNifTime) erts_napi_time_offset((int) time_unit); +} + +ErlNifTime +enif_convert_time_unit(ErlNifTime val, + ErlNifTimeUnit from, + ErlNifTimeUnit to) +{ + return (ErlNifTime) erts_napi_convert_time_unit((ErtsMonotonicTime) val, + (int) from, + (int) to); +} + int enif_fprintf(void* filep, const char* format, ...) { int ret; @@ -1785,12 +1810,10 @@ execute_dirty_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) ep = (NifExport*) ERTS_PROC_GET_NIF_TRAP_EXPORT(proc); ASSERT(ep); ep->fp = NULL; + erts_smp_atomic32_read_band_mb(&proc->state, ~(ERTS_PSFLG_DIRTY_CPU_PROC + | ERTS_PSFLG_DIRTY_IO_PROC)); result = (*fp)(env, argc, argv); - erts_smp_atomic32_read_band_mb(&proc->state, - ~(ERTS_PSFLG_DIRTY_CPU_PROC - |ERTS_PSFLG_DIRTY_IO_PROC - |ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q - |ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)); + if (erts_refc_dectest(&env->mod_nif->rt_dtor_cnt, 0) == 0 && env->mod_nif->mod == NULL) close_lib(env->mod_nif); /* @@ -1838,13 +1861,6 @@ schedule_dirty_nif(ErlNifEnv* env, int flags, int argc, const ERL_NIF_TERM argv[ a = erts_smp_atomic32_read_acqb(&proc->state); while (1) { n = state = a; - /* - * clear any current dirty flags and dirty queue indicators, - * in case the application is shifting a job from one type - * of dirty scheduler to the other - */ - n &= ~(ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC - |ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q); if (flags == ERL_NIF_DIRTY_JOB_CPU_BOUND) n |= ERTS_PSFLG_DIRTY_CPU_PROC; else diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 40c2ad6f08..c9c8b1d0af 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -49,9 +49,10 @@ ** add ErlNifFunc flags ** 2.8: 18.0 add enif_has_pending_exception ** 2.9: 18.2 enif_getenv +** 2.10: Time API */ #define ERL_NIF_MAJOR_VERSION 2 -#define ERL_NIF_MINOR_VERSION 9 +#define ERL_NIF_MINOR_VERSION 10 /* * The emulator will refuse to load a nif-lib with a major version @@ -67,54 +68,31 @@ #include <stdlib.h> -#ifdef SIZEOF_CHAR -# define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR -# undef SIZEOF_CHAR -#endif -#ifdef SIZEOF_SHORT -# define SIZEOF_SHORT_SAVED__ SIZEOF_SHORT -# undef SIZEOF_SHORT -#endif -#ifdef SIZEOF_INT -# define SIZEOF_INT_SAVED__ SIZEOF_INT -# undef SIZEOF_INT -#endif -#ifdef SIZEOF_LONG -# define SIZEOF_LONG_SAVED__ SIZEOF_LONG -# undef SIZEOF_LONG -#endif -#ifdef SIZEOF_LONG_LONG -# define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG -# undef SIZEOF_LONG_LONG -#endif -#include "erl_int_sizes_config.h" - #ifdef __cplusplus extern "C" { #endif -#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_)) -typedef unsigned __int64 ErlNifUInt64; -typedef __int64 ErlNifSInt64; -#elif SIZEOF_LONG == 8 -typedef unsigned long ErlNifUInt64; -typedef long ErlNifSInt64; -#elif SIZEOF_LONG_LONG == 8 -typedef unsigned long long ErlNifUInt64; -typedef long long ErlNifSInt64; -#else -#error No 64-bit integer type -#endif +typedef ErlNapiUInt64 ErlNifUInt64; +typedef ErlNapiSInt64 ErlNifSInt64; +typedef ErlNapiUInt ErlNifUInt; +typedef ErlNapiSInt ErlNifSInt; -#define ERL_NIF_VM_VARIANT "beam.vanilla" -#if SIZEOF_LONG == SIZEOF_VOID_P -typedef unsigned long ERL_NIF_TERM; -#elif SIZEOF_LONG_LONG == SIZEOF_VOID_P -typedef unsigned long long ERL_NIF_TERM; -#endif +# define ERL_NIF_VM_VARIANT "beam.vanilla" +typedef ErlNifUInt ERL_NIF_TERM; typedef ERL_NIF_TERM ERL_NIF_UINT; +typedef ErlNifSInt64 ErlNifTime; + +#define ERL_NIF_TIME_ERROR ((ErlNifSInt64) ERTS_NAPI_TIME_ERROR__) + +typedef enum { + ERL_NIF_SEC = ERTS_NAPI_SEC__, + ERL_NIF_MSEC = ERTS_NAPI_MSEC__, + ERL_NIF_USEC = ERTS_NAPI_USEC__, + ERL_NIF_NSEC = ERTS_NAPI_NSEC__ +} ErlNifTimeUnit; + struct enif_environment_t; typedef struct enif_environment_t ErlNifEnv; diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index 08b9afc6af..1448a508a2 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -160,6 +160,9 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_schedule_nif,(ErlNifEnv*,const char*,int ERL_NIF_API_FUNC_DECL(int, enif_has_pending_exception, (ErlNifEnv *env, ERL_NIF_TERM* reason)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM, enif_raise_exception, (ErlNifEnv *env, ERL_NIF_TERM reason)); ERL_NIF_API_FUNC_DECL(int,enif_getenv,(const char* key, char* value, size_t* value_size)); +ERL_NIF_API_FUNC_DECL(ErlNifTime, enif_monotonic_time, (ErlNifTimeUnit)); +ERL_NIF_API_FUNC_DECL(ErlNifTime, enif_time_offset, (ErlNifTimeUnit)); +ERL_NIF_API_FUNC_DECL(ErlNifTime, enif_convert_time_unit, (ErlNifTime, ErlNifTimeUnit, ErlNifTimeUnit)); /* ** ADD NEW ENTRIES HERE (before this comment) !!! @@ -312,6 +315,9 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_on_dirty_scheduler,(ErlNifEnv*)); # define enif_has_pending_exception ERL_NIF_API_FUNC_MACRO(enif_has_pending_exception) # define enif_raise_exception ERL_NIF_API_FUNC_MACRO(enif_raise_exception) # define enif_getenv ERL_NIF_API_FUNC_MACRO(enif_getenv) +# define enif_monotonic_time ERL_NIF_API_FUNC_MACRO(enif_monotonic_time) +# define enif_time_offset ERL_NIF_API_FUNC_MACRO(enif_time_offset) +# define enif_convert_time_unit ERL_NIF_API_FUNC_MACRO(enif_convert_time_unit) /* ** ADD NEW ENTRIES HERE (before this comment) diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 2c09834d19..197b328fe2 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -1648,6 +1648,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) int active; Uint64 start_time = 0; ErtsSchedulerData *esdp = runq->scheduler; + ERTS_MSACC_PUSH_STATE_M(); ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(runq)); @@ -1690,6 +1691,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) state = erts_atomic32_read_nob(&pp->state); pp->reds = ERTS_PORT_REDS_EXECUTE; + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); goto begin_handle_tasks; while (1) { @@ -1822,6 +1824,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) } erts_unblock_fpe(fpe_was_unmasked); + ERTS_MSACC_POP_STATE_M(); if (io_tasks_executed) { diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index c386d63a9e..e4584e7cc2 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -148,14 +148,14 @@ extern BeamInstr beam_apply[]; extern BeamInstr beam_exit[]; extern BeamInstr beam_continue_exit[]; -int erts_default_spo_flags = 0; -int erts_eager_check_io = 1; -int erts_sched_compact_load; -int erts_sched_balance_util = 0; -Uint erts_no_schedulers; +int ERTS_WRITE_UNLIKELY(erts_default_spo_flags) = 0; +int ERTS_WRITE_UNLIKELY(erts_eager_check_io) = 1; +int ERTS_WRITE_UNLIKELY(erts_sched_compact_load); +int ERTS_WRITE_UNLIKELY(erts_sched_balance_util) = 0; +Uint ERTS_WRITE_UNLIKELY(erts_no_schedulers); #ifdef ERTS_DIRTY_SCHEDULERS -Uint erts_no_dirty_cpu_schedulers; -Uint erts_no_dirty_io_schedulers; +Uint ERTS_WRITE_UNLIKELY(erts_no_dirty_cpu_schedulers); +Uint ERTS_WRITE_UNLIKELY(erts_no_dirty_io_schedulers); #endif static char *erts_aux_work_flag_descr[ERTS_SSI_AUX_WORK_NO_FLAGS] = {0}; @@ -295,7 +295,7 @@ do { \ erts_sched_stat_t erts_sched_stat; #ifdef USE_THREADS -static erts_tsd_key_t sched_data_key; +static erts_tsd_key_t ERTS_WRITE_UNLIKELY(sched_data_key); #endif static erts_smp_atomic32_t function_calls; @@ -335,15 +335,16 @@ static ErtsAlignedSchedulerSleepInfo *aligned_dirty_io_sched_sleep_info; static Uint last_reductions; static Uint last_exact_reductions; -Eterm erts_system_monitor; -Eterm erts_system_monitor_long_gc; -Uint erts_system_monitor_long_schedule; -Eterm erts_system_monitor_large_heap; +Eterm ERTS_WRITE_UNLIKELY(erts_system_monitor); +Eterm ERTS_WRITE_UNLIKELY(erts_system_monitor_long_gc); +Uint ERTS_WRITE_UNLIKELY(erts_system_monitor_long_schedule); +Eterm ERTS_WRITE_UNLIKELY(erts_system_monitor_large_heap); struct erts_system_monitor_flags_t erts_system_monitor_flags; /* system performance monitor */ Eterm erts_system_profile; struct erts_system_profile_flags_t erts_system_profile_flags; +int erts_system_profile_ts_type = ERTS_TRACE_FLG_NOW_TIMESTAMP; #if ERTS_MAX_PROCESSES > 0x7fffffff #error "Need to store process_count in another type" @@ -940,6 +941,12 @@ sched_wall_time_change(ErtsSchedulerData *esdp, int working) } } } + if (!working) { + ERTS_MSACC_SET_STATE_M_X(ERTS_MSACC_STATE_BUSY_WAIT); + } else { + ERTS_MSACC_SET_STATE_M_X(ERTS_MSACC_STATE_OTHER); + } + } typedef struct { @@ -952,10 +959,24 @@ typedef struct { erts_smp_atomic32_t refc; } ErtsSchedWallTimeReq; +typedef struct { + Process *proc; + Eterm ref; + Eterm ref_heap[REF_THING_SIZE]; + Uint req_sched; + erts_smp_atomic32_t refc; +} ErtsSystemCheckReq; + + ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(swtreq, - ErtsSchedWallTimeReq, - 5, - ERTS_ALC_T_SCHED_WTIME_REQ) + ErtsSchedWallTimeReq, + 5, + ERTS_ALC_T_SCHED_WTIME_REQ) + +ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(screq, + ErtsSystemCheckReq, + 5, + ERTS_ALC_T_SYS_CHECK_REQ) static void reply_sched_wall_time(void *vswtrp) @@ -1088,6 +1109,75 @@ erts_sched_wall_time_request(Process *c_p, int set, int enable) return ref; } +static void +reply_system_check(void *vscrp) +{ + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + ErtsSystemCheckReq *scrp = (ErtsSystemCheckReq *) vscrp; + ErtsProcLocks rp_locks = (scrp->req_sched == esdp->no ? ERTS_PROC_LOCK_MAIN : 0); + Process *rp = scrp->proc; + Eterm msg; + Eterm *hp = NULL; + Eterm **hpp; + Uint sz; + ErlOffHeap *ohp = NULL; + ErtsMessage *mp = NULL; + + ASSERT(esdp); +#ifdef ERTS_DIRTY_SCHEDULERS + ASSERT(!ERTS_SCHEDULER_IS_DIRTY(esdp)); +#endif + + sz = REF_THING_SIZE; + mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp); + hpp = &hp; + msg = STORE_NC(hpp, ohp, scrp->ref); + + erts_queue_message(rp, &rp_locks, mp, msg, NIL); + + if (scrp->req_sched == esdp->no) + rp_locks &= ~ERTS_PROC_LOCK_MAIN; + + if (rp_locks) + erts_smp_proc_unlock(rp, rp_locks); + + erts_proc_dec_refc(rp); + + if (erts_smp_atomic32_dec_read_nob(&scrp->refc) == 0) + screq_free(vscrp); +} + + +Eterm erts_system_check_request(Process *c_p) { + ErtsSchedulerData *esdp = ERTS_PROC_GET_SCHDATA(c_p); + Eterm ref; + ErtsSystemCheckReq *scrp; + Eterm *hp; + + scrp = screq_alloc(); + ref = erts_make_ref(c_p); + hp = &scrp->ref_heap[0]; + + scrp->proc = c_p; + scrp->ref = STORE_NC(&hp, NULL, ref); + scrp->req_sched = esdp->no; + erts_smp_atomic32_init_nob(&scrp->refc, (erts_aint32_t) erts_no_schedulers); + + erts_proc_add_refc(c_p, (Sint) erts_no_schedulers); + +#ifdef ERTS_SMP + if (erts_no_schedulers > 1) + erts_schedule_multi_misc_aux_work(1, + erts_no_schedulers, + reply_system_check, + (void *) scrp); +#endif + + reply_system_check((void *) scrp); + + return ref; +} + static ERTS_INLINE ErtsProcList * proclist_create(Process *p) { @@ -1695,15 +1785,17 @@ handle_delayed_dealloc(ErtsAuxWorkData *awdp, erts_aint32_t aux_work, int waitin int need_thr_progress = 0; ErtsThrPrgrVal wakeup = ERTS_THR_PRGR_INVALID; int more_work = 0; - + ERTS_MSACC_PUSH_STATE_M_X(); #ifdef ERTS_DIRTY_SCHEDULERS ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); #endif unset_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD); + ERTS_MSACC_SET_STATE_CACHED_M_X(ERTS_MSACC_STATE_ALLOC); erts_alloc_scheduler_handle_delayed_dealloc((void *) awdp->esdp, &need_thr_progress, &wakeup, &more_work); + ERTS_MSACC_POP_STATE_M_X(); if (more_work) { if (set_aux_work_flags(ssi, ERTS_SSI_AUX_WORK_DD) & ERTS_SSI_AUX_WORK_DD_THR_PRGR) { @@ -2175,12 +2267,15 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting) ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \ if (!(aux_work & ~ignore)) { \ ERTS_DBG_CHK_AUX_WORK_VAL(aux_work); \ + ERTS_MSACC_UPDATE_CACHE(); \ + ERTS_MSACC_POP_STATE_M(); \ return aux_work; \ } \ } erts_aint32_t aux_work = orig_aux_work; erts_aint32_t ignore = 0; + ERTS_MSACC_PUSH_AND_SET_STATE_M(ERTS_MSACC_STATE_AUX); ASSERT(!awdp->esdp || !ERTS_SCHEDULER_IS_DIRTY(awdp->esdp)); #ifdef ERTS_SMP @@ -2271,6 +2366,8 @@ handle_aux_work(ErtsAuxWorkData *awdp, erts_aint32_t orig_aux_work, int waiting) haw_thr_prgr_current_check_progress(awdp); #endif + ERTS_MSACC_UPDATE_CACHE(); + ERTS_MSACC_POP_STATE_M(); return aux_work; #undef HANDLE_AUX_WORK @@ -2778,6 +2875,8 @@ aux_thread(void *unused) ssi->event = erts_tse_fetch(); + erts_msacc_init_thread("aux", 1, 1); + callbacks.arg = (void *) ssi; callbacks.wakeup = thr_prgr_wakeup; callbacks.prepare_wait = thr_prgr_prep_wait; @@ -2788,6 +2887,7 @@ aux_thread(void *unused) init_aux_work_data(awdp, NULL, NULL); awdp->ssi = ssi; + sched_prep_spin_wait(ssi); while (1) { @@ -2841,6 +2941,9 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) #ifdef ERTS_SMP int thr_prgr_active = 1; erts_aint32_t flgs; +#endif + ERTS_MSACC_PUSH_STATE_M(); +#ifdef ERTS_SMP ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq)); @@ -2888,7 +2991,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) sched_wall_time_change(esdp, thr_prgr_active); while (1) { - ErtsMonotonicTime current_time; + ErtsMonotonicTime current_time = 0; aux_work = erts_atomic32_read_acqb(&ssi->aux_work); if (aux_work && !ERTS_SCHEDULER_IS_DIRTY(esdp)) { @@ -2897,6 +3000,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) sched_wall_time_change(esdp, 1); } aux_work = handle_aux_work(&esdp->aux_work_data, aux_work, 1); + ERTS_MSACC_UPDATE_CACHE(); if (aux_work && erts_thr_progress_update(esdp)) erts_thr_progress_leader_update(esdp); } @@ -2958,7 +3062,9 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) - 1) + 1; } else timeout = -1; + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_SLEEP); res = erts_tse_twait(ssi->event, timeout); + ERTS_MSACC_POP_STATE_M(); current_time = ERTS_SCHEDULER_IS_DIRTY(esdp) ? 0 : erts_get_monotonic_time(esdp); } while (res == EINTR); @@ -3027,9 +3133,13 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) if (working) sched_wall_time_change(esdp, working = 0); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_CHECK_IO); + ASSERT(!erts_port_task_have_outstanding_io_tasks()); erl_sys_schedule(1); /* Might give us something to do */ + ERTS_MSACC_POP_STATE_M(); + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { current_time = erts_get_monotonic_time(esdp); if (current_time >= erts_next_timeout_time(esdp->next_tmo_ref)) @@ -3050,6 +3160,7 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) erts_thr_progress_active(esdp, thr_prgr_active = 1); #endif aux_work = handle_aux_work(&esdp->aux_work_data, aux_work, 1); + ERTS_MSACC_UPDATE_CACHE(); #ifdef ERTS_SMP if (aux_work && erts_thr_progress_update(esdp)) erts_thr_progress_leader_update(esdp); @@ -3147,8 +3258,12 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) ASSERT(!erts_port_task_have_outstanding_io_tasks()); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_CHECK_IO); + erl_sys_schedule(0); + ERTS_MSACC_POP_STATE_M(); + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { ErtsMonotonicTime current_time = erts_get_monotonic_time(esdp); if (current_time >= erts_next_timeout_time(esdp->next_tmo_ref)) @@ -3543,6 +3658,13 @@ check_requeue_process(ErtsRunQueue *rq, int prio_q) return 0; } +static ERTS_INLINE void +free_proxy_proc(Process *proxy) +{ + ASSERT(erts_smp_atomic32_read_nob(&proxy->state) & ERTS_PSFLG_PROXY); + erts_free(ERTS_ALC_T_PROC, proxy); +} + #ifdef ERTS_SMP static ErtsRunQueue * @@ -3857,9 +3979,6 @@ evacuate_run_queue(ErtsRunQueue *rq, erts_aint32_t state; Process *proc; int notify = 0; -#ifdef ERTS_DIRTY_SCHEDULERS - int requeue; -#endif to_rq = NULL; #ifdef ERTS_DIRTY_SCHEDULERS @@ -3874,49 +3993,94 @@ evacuate_run_queue(ErtsRunQueue *rq, proc = dequeue_process(rq, prio_q, &state); while (proc) { -#ifdef ERTS_DIRTY_SCHEDULERS - requeue = 1; + Process *real_proc; + int prio; + erts_aint32_t max_qbit, qbit, real_state; + + prio = ERTS_PSFLGS_GET_PRQ_PRIO(state); + qbit = ((erts_aint32_t) 1) << prio; + + if (!(state & ERTS_PSFLG_PROXY)) { + real_proc = proc; + real_state = state; + } + else { + real_proc = erts_proc_lookup_raw(proc->common.id); + if (!real_proc) { + free_proxy_proc(proc); + goto handle_next_proc; + } + real_state = erts_smp_atomic32_read_acqb(&real_proc->state); + } + + max_qbit = (state >> ERTS_PSFLGS_IN_PRQ_MASK_OFFSET); + max_qbit &= ERTS_PSFLGS_QMASK; + max_qbit |= 1 << ERTS_PSFLGS_QMASK_BITS; + max_qbit &= -max_qbit; + + if (qbit > max_qbit) { + /* Process already queued with higher prio; drop it... */ + if (real_proc != proc) + free_proxy_proc(proc); + else { + erts_aint32_t clr_bits; +#ifdef DEBUG + erts_aint32_t old; #endif - if (ERTS_PSFLG_BOUND & state) { - /* Bound processes get stuck here... */ - proc->next = NULL; - if (sbpp->last) - sbpp->last->next = proc; - else - sbpp->first = proc; - sbpp->last = proc; -#ifdef ERTS_DIRTY_SCHEDULERS - requeue = 0; + + clr_bits = ERTS_PSFLG_IN_RUNQ; + clr_bits |= qbit << ERTS_PSFLGS_IN_PRQ_MASK_OFFSET; + +#ifdef DEBUG + old = +#else + (void) #endif + erts_smp_atomic32_read_band_mb(&proc->state, + ~clr_bits); + ASSERT((old & clr_bits) == clr_bits); + + } + + goto handle_next_proc; } + #ifdef ERTS_DIRTY_SCHEDULERS - else if (state & ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q) { + + if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) { + erts_aint32_t dqbit = qbit; #ifdef DEBUG - erts_aint32_t old = -#else - (void) + erts_aint32_t old_dqbit; #endif - erts_smp_atomic32_read_band_nob(&proc->state, - ~(ERTS_PSFLG_DIRTY_CPU_PROC - | ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q)); - /* assert that no other dirty flags are set */ - ASSERT(!(old & (ERTS_PSFLG_DIRTY_IO_PROC|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q))); - } else if (state & ERTS_PSFLG_DIRTY_IO_PROC_IN_Q) { + + if (rq == ERTS_DIRTY_CPU_RUNQ) + dqbit <<= ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET; + else { + ASSERT(rq == ERTS_DIRTY_IO_RUNQ); + dqbit <<= ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET; + } + #ifdef DEBUG - erts_aint32_t old = + old_dqbit = (int) #else - (void) + (void) #endif - erts_smp_atomic32_read_band_nob(&proc->state, - ~(ERTS_PSFLG_DIRTY_IO_PROC - | ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)); - /* assert that no other dirty flags are set */ - ASSERT(!(old & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q))); + erts_smp_atomic32_read_band_mb(&real_proc->dirty_state, + ~dqbit); + ASSERT(old_dqbit & dqbit); } - if (requeue) { -#else - else { #endif + + if (ERTS_PSFLG_BOUND & real_state) { + /* Bound processes get stuck here... */ + proc->next = NULL; + if (sbpp->last) + sbpp->last->next = proc; + else + sbpp->first = proc; + sbpp->last = proc; + } + else { int prio = (int) ERTS_PSFLGS_GET_PRQ_PRIO(state); erts_smp_runq_unlock(rq); @@ -3939,6 +4103,8 @@ evacuate_run_queue(ErtsRunQueue *rq, erts_smp_runq_lock(rq); } + + handle_next_proc: proc = dequeue_process(rq, prio_q, &state); } if (notify) @@ -5692,6 +5858,7 @@ erts_init_scheduling(int no_schedulers, int no_schedulers_online init_misc_aux_work(); init_swtreq_alloc(); + init_screq_alloc(); erts_atomic32_init_nob(&debug_wait_completed_count, 0); /* debug only */ debug_wait_completed_flags = 0; @@ -5871,19 +6038,96 @@ make_proxy_proc(Process *prev_proxy, Process *proc, erts_aint32_t prio) return proxy; } -static ERTS_INLINE void -free_proxy_proc(Process *proxy) -{ - ASSERT(erts_smp_atomic32_read_nob(&proxy->state) & ERTS_PSFLG_PROXY); - erts_free(ERTS_ALC_T_PROC, proxy); -} - #define ERTS_ENQUEUE_NOT 0 #define ERTS_ENQUEUE_NORMAL_QUEUE 1 -#ifdef ERTS_DIRTY_SCHEDULERS #define ERTS_ENQUEUE_DIRTY_CPU_QUEUE 2 #define ERTS_ENQUEUE_DIRTY_IO_QUEUE 3 + +#ifdef ERTS_DIRTY_SCHEDULERS + +static int +check_dirty_enqueue_in_prio_queue(Process *c_p, + erts_aint32_t *newp, + erts_aint32_t actual, + erts_aint32_t aprio, + erts_aint32_t qbit) +{ + int queue; + erts_aint32_t dact, max_qbit; + + /* Termination should be done on an ordinary scheduler */ + if (actual & ERTS_PSFLG_EXITING) { + *newp &= ~ERTS_PSFLGS_DIRTY_WORK; + return ERTS_ENQUEUE_NORMAL_QUEUE; + } + + /* + * If we have system tasks, we enqueue on ordinary run-queue + * and take care of those system tasks first. + */ + if (actual & ERTS_PSFLG_ACTIVE_SYS) + return ERTS_ENQUEUE_NORMAL_QUEUE; + + dact = erts_smp_atomic32_read_mb(&c_p->dirty_state); + if (actual & (ERTS_PSFLG_DIRTY_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_CPU_PROC)) { + max_qbit = ((dact >> ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET) + & ERTS_PDSFLGS_QMASK); + queue = ERTS_ENQUEUE_DIRTY_CPU_QUEUE; + } + else { + ASSERT(actual & ERTS_PSFLG_DIRTY_IO_PROC); + max_qbit = ((dact >> ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET) + & ERTS_PDSFLGS_QMASK); + queue = ERTS_ENQUEUE_DIRTY_IO_QUEUE; + } + + max_qbit |= 1 << ERTS_PSFLGS_QMASK_BITS; + max_qbit &= -max_qbit; + + if (qbit >= max_qbit) + return ERTS_ENQUEUE_NOT; /* Already queued in higher or equal prio */ + if ((actual & (ERTS_PSFLG_IN_RUNQ|ERTS_PSFLGS_USR_PRIO_MASK)) + != (aprio << ERTS_PSFLGS_USR_PRIO_OFFSET)) { + /* + * Process struct already enqueued, or actual prio not + * equal to user prio, i.e., enqueue using proxy. + */ + return -1*queue; + } + + *newp |= ERTS_PSFLG_IN_RUNQ; + return queue; +} + +static ERTS_INLINE int +fin_dirty_enq_s_change(Process *p, + int pstruct_reserved, + erts_aint32_t enq_prio, + int qmask_offset) +{ + erts_aint32_t qbit = 1 << enq_prio; + qbit <<= qmask_offset; + + if (qbit & erts_smp_atomic32_read_bor_mb(&p->dirty_state, qbit)) { + /* Already enqueue by someone else... */ + if (pstruct_reserved) { + /* We reserved process struct for enqueue; clear it... */ +#ifdef DEBUG + erts_aint32_t old = +#else + (void) #endif + erts_smp_atomic32_read_band_nob(&p->state, ~ERTS_PSFLG_IN_RUNQ); + ASSERT(old & ERTS_PSFLG_IN_RUNQ); + } + return 0; + } + + return !0; +} + +#endif /* ERTS_DIRTY_SCHEDULERS */ static ERTS_INLINE int check_enqueue_in_prio_queue(Process *c_p, @@ -5899,61 +6143,14 @@ check_enqueue_in_prio_queue(Process *c_p, *prq_prio_p = aprio; #ifdef ERTS_DIRTY_SCHEDULERS - if (actual & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) { - /* - * If we have system tasks of a priority higher - * or equal to the user priority, we enqueue - * on ordinary run-queue and take care of - * those system tasks first. - */ - if (actual & ERTS_PSFLG_ACTIVE_SYS) { - erts_aint32_t uprio, stprio, qmask; - uprio = (actual >> ERTS_PSFLGS_USR_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK; - if (aprio < uprio) - goto enqueue_normal_runq; /* system tasks with higher prio */ - erts_smp_proc_lock(c_p, ERTS_PROC_LOCK_STATUS); - qmask = c_p->sys_task_qs->qmask; - erts_smp_proc_unlock(c_p, ERTS_PROC_LOCK_STATUS); - switch (qmask & -qmask) { - case MAX_BIT: - stprio = PRIORITY_MAX; - break; - case HIGH_BIT: - stprio = PRIORITY_HIGH; - break; - case NORMAL_BIT: - stprio = PRIORITY_NORMAL; - break; - case LOW_BIT: - stprio = PRIORITY_LOW; - break; - default: - stprio = PRIORITY_LOW+1; - break; - } - if (stprio <= uprio) - goto enqueue_normal_runq; /* system tasks with higher prio */ - } - - /* Enqueue in dirty run queue if not already enqueued */ - if (actual & (ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q)) - return ERTS_ENQUEUE_NOT; /* already in queue */ - if (actual & ERTS_PSFLG_DIRTY_CPU_PROC) { - *newp |= ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q; - if (actual & ERTS_PSFLG_IN_RUNQ) - return -ERTS_ENQUEUE_DIRTY_CPU_QUEUE; /* use proxy */ - *newp |= ERTS_PSFLG_IN_RUNQ; - return ERTS_ENQUEUE_DIRTY_CPU_QUEUE; - } - *newp |= ERTS_PSFLG_DIRTY_IO_PROC_IN_Q; - if (actual & ERTS_PSFLG_IN_RUNQ) - return -ERTS_ENQUEUE_DIRTY_IO_QUEUE; /* use proxy */ - *newp |= ERTS_PSFLG_IN_RUNQ; - return ERTS_ENQUEUE_DIRTY_IO_QUEUE; + if (actual & ERTS_PSFLGS_DIRTY_WORK) { + int res = check_dirty_enqueue_in_prio_queue(c_p, newp, actual, + aprio, qbit); + if (res != ERTS_ENQUEUE_NORMAL_QUEUE) + return res; } - - enqueue_normal_runq: #endif + max_qbit = (actual >> ERTS_PSFLGS_IN_PRQ_MASK_OFFSET) & ERTS_PSFLGS_QMASK; max_qbit |= 1 << ERTS_PSFLGS_QMASK_BITS; max_qbit &= -max_qbit; @@ -5985,6 +6182,65 @@ check_enqueue_in_prio_queue(Process *c_p, return ERTS_ENQUEUE_NORMAL_QUEUE; } +static ERTS_INLINE ErtsRunQueue * +select_enqueue_run_queue(int enqueue, int enq_prio, Process *p, erts_aint32_t state) +{ + + switch (enqueue) { + + case ERTS_ENQUEUE_NOT: + + return NULL; + +#ifdef ERTS_DIRTY_SCHEDULERS + + case ERTS_ENQUEUE_DIRTY_CPU_QUEUE: + case -ERTS_ENQUEUE_DIRTY_CPU_QUEUE: + + if (fin_dirty_enq_s_change(p, enqueue > 0, enq_prio, + ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET)) + return ERTS_DIRTY_CPU_RUNQ; + + return NULL; + + + case ERTS_ENQUEUE_DIRTY_IO_QUEUE: + case -ERTS_ENQUEUE_DIRTY_IO_QUEUE: + + if (fin_dirty_enq_s_change(p, enqueue > 0, enq_prio, + ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET)) + return ERTS_DIRTY_IO_RUNQ; + + return NULL; + +#endif + + default: { + ErtsRunQueue* runq; + + ASSERT(enqueue == ERTS_ENQUEUE_NORMAL_QUEUE + || enqueue == -ERTS_ENQUEUE_NORMAL_QUEUE); + + runq = erts_get_runq_proc(p); + +#ifdef ERTS_SMP + if (!(ERTS_PSFLG_BOUND & state)) { + ErtsRunQueue *new_runq = erts_check_emigration_need(runq, enq_prio); + if (new_runq) { + RUNQ_SET_RQ(&p->run_queue, new_runq); + runq = new_runq; + } + } +#endif + + ASSERT(runq); + + return runq; + } + } +} + + /* * schedule_out_process() return with c_rq locked. */ @@ -5993,11 +6249,7 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Proces { erts_aint32_t a, e, n, enq_prio = -1; int enqueue; /* < 0 -> use proxy */ - Process* sched_p; ErtsRunQueue* runq; -#ifdef ERTS_SMP - int check_emigration_need; -#endif a = state; @@ -6009,7 +6261,7 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Proces enqueue = ERTS_ENQUEUE_NOT; n &= ~(ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS); - if (a & ERTS_PSFLG_ACTIVE_SYS + if (a & (ERTS_PSFLG_ACTIVE_SYS|ERTS_PSFLG_DIRTY_ACTIVE_SYS) || (a & (ERTS_PSFLG_ACTIVE|ERTS_PSFLG_SUSPENDED)) == ERTS_PSFLG_ACTIVE) { enqueue = check_enqueue_in_prio_queue(p, &enq_prio, &n, a); } @@ -6018,16 +6270,17 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Proces break; } - switch (enqueue) { - case ERTS_ENQUEUE_NOT: + runq = select_enqueue_run_queue(enqueue, enq_prio, p, n); + + if (!runq) { + if (erts_system_profile_flags.runnable_procs) { /* Status lock prevents out of order "runnable proc" trace msgs */ ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p)); - if (!(a & ERTS_PSFLG_ACTIVE_SYS) - && (!(a & ERTS_PSFLG_ACTIVE) - || (a & ERTS_PSFLG_SUSPENDED))) { + if (!(a & (ERTS_PSFLG_ACTIVE_SYS|ERTS_PSFLG_DIRTY_ACTIVE_SYS)) + && (!(a & ERTS_PSFLG_ACTIVE) || (a & ERTS_PSFLG_SUSPENDED))) { /* Process inactive */ profile_runnable_proc(p, am_inactive); } @@ -6040,98 +6293,76 @@ schedule_out_process(ErtsRunQueue *c_rq, erts_aint32_t state, Process *p, Proces return 0; -#ifdef ERTS_DIRTY_SCHEDULERS -#ifdef ERTS_SMP - case ERTS_ENQUEUE_DIRTY_CPU_QUEUE: - case -ERTS_ENQUEUE_DIRTY_CPU_QUEUE: - runq = ERTS_DIRTY_CPU_RUNQ; - ASSERT(ERTS_SCHEDULER_IS_DIRTY_CPU(runq->scheduler)); -#ifdef ERTS_SMP - check_emigration_need = 0; -#endif - break; + } + else { + Process* sched_p; - case ERTS_ENQUEUE_DIRTY_IO_QUEUE: - case -ERTS_ENQUEUE_DIRTY_IO_QUEUE: - runq = ERTS_DIRTY_IO_RUNQ; - ASSERT(ERTS_SCHEDULER_IS_DIRTY_IO(runq->scheduler)); -#ifdef ERTS_SMP - check_emigration_need = 0; -#endif - break; -#endif -#endif + ASSERT(!(n & ERTS_PSFLG_SUSPENDED) || (n & (ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS))); - default: - ASSERT(enqueue == ERTS_ENQUEUE_NORMAL_QUEUE - || enqueue == -ERTS_ENQUEUE_NORMAL_QUEUE); + if (enqueue < 0) + sched_p = make_proxy_proc(proxy, p, enq_prio); + else { + sched_p = p; + if (proxy) + free_proxy_proc(proxy); + } - runq = erts_get_runq_proc(p); -#ifdef ERTS_SMP - check_emigration_need = !(ERTS_PSFLG_BOUND & n); -#endif - break; - } + ASSERT(runq); - ASSERT(!(n & ERTS_PSFLG_SUSPENDED) || (n & ERTS_PSFLG_ACTIVE_SYS)); + erts_smp_runq_lock(runq); - if (enqueue < 0) - sched_p = make_proxy_proc(proxy, p, enq_prio); - else { - sched_p = p; - if (proxy) - free_proxy_proc(proxy); - } + /* Enqueue the process */ + enqueue_process(runq, (int) enq_prio, sched_p); -#ifdef ERTS_SMP - if (check_emigration_need) { - ErtsRunQueue *new_runq = erts_check_emigration_need(runq, enq_prio); - if (new_runq) { - RUNQ_SET_RQ(&sched_p->run_queue, new_runq); - runq = new_runq; - } - } -#endif + if (runq == c_rq) + return 1; - ASSERT(runq); + erts_smp_runq_unlock(runq); - erts_smp_runq_lock(runq); + smp_notify_inc_runq(runq); - /* Enqueue the process */ - enqueue_process(runq, (int) enq_prio, sched_p); + erts_smp_runq_lock(c_rq); - if (runq == c_rq) return 1; - erts_smp_runq_unlock(runq); - smp_notify_inc_runq(runq); - erts_smp_runq_lock(c_rq); - return 1; + } + } static ERTS_INLINE void -add2runq(Process *p, erts_aint32_t state, erts_aint32_t prio) +add2runq(int enqueue, erts_aint32_t prio, + Process *proc, erts_aint32_t state, + Process **proxy) { - ErtsRunQueue *runq = erts_get_runq_proc(p); + ErtsRunQueue *runq; -#ifdef ERTS_SMP - if (!(ERTS_PSFLG_BOUND & state)) { - ErtsRunQueue *new_runq = erts_check_emigration_need(runq, (int) prio); - if (new_runq) { - RUNQ_SET_RQ(&p->run_queue, new_runq); - runq = new_runq; - } - } -#endif - ASSERT(runq); + runq = select_enqueue_run_queue(enqueue, prio, proc, state); - erts_smp_runq_lock(runq); + if (runq) { + Process *sched_p; - /* Enqueue the process */ - enqueue_process(runq, (int) prio, p); + if (enqueue > 0) + sched_p = proc; + else { + Process *pxy; - erts_smp_runq_unlock(runq); - smp_notify_inc_runq(runq); + if (!proxy) + pxy = NULL; + else { + pxy = *proxy; + *proxy = NULL; + } + sched_p = make_proxy_proc(pxy, proc, prio); + } + erts_smp_runq_lock(runq); + + /* Enqueue the process */ + enqueue_process(runq, (int) prio, sched_p); + + erts_smp_runq_unlock(runq); + smp_notify_inc_runq(runq); + } } static ERTS_INLINE int @@ -6237,10 +6468,7 @@ schedule_process(Process *p, erts_aint32_t in_state, ErtsProcLocks locks) &state, &enq_prio, locks); - if (enqueue != ERTS_ENQUEUE_NOT) - add2runq(enqueue > 0 ? p : make_proxy_proc(NULL, p, enq_prio), - state, - enq_prio); + add2runq(enqueue, enq_prio, p, state, NULL); } void @@ -6379,9 +6607,7 @@ schedule_process_sys_task(Process *p, erts_aint32_t prio, ErtsProcSysTask *st) locked = 0; } - if (enqueue != ERTS_ENQUEUE_NOT) - add2runq(enqueue > 0 ? p : make_proxy_proc(NULL, p, enq_prio), - n, enq_prio); + add2runq(enqueue, enq_prio, p, n, NULL); cleanup: @@ -6435,9 +6661,6 @@ suspend_process(Process *c_p, Process *p) if (suspended) { - ASSERT(!(ERTS_PSFLG_RUNNING & state) - || p == erts_get_current_process()); - if (suspended > 0 && erts_system_profile_flags.runnable_procs) { /* 'state' is before our change... */ @@ -6479,10 +6702,7 @@ resume_process(Process *p, ErtsProcLocks locks) &state, &enq_prio, locks); - if (enqueue) - add2runq(enqueue > 0 ? p : make_proxy_proc(NULL, p, enq_prio), - state, - enq_prio); + add2runq(enqueue, enq_prio, p, state, NULL); } int @@ -7925,6 +8145,8 @@ sched_thread_func(void *vesdp) callbacks.wait = thr_prgr_wait; callbacks.finalize_wait = thr_prgr_fin_wait; + erts_msacc_init_thread("scheduler", no, 1); + erts_thr_progress_register_managed_thread(esdp, &callbacks, 0); erts_alloc_register_scheduler(vesdp); #endif @@ -8373,9 +8595,8 @@ pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, resume_process(rp, rp_locks); } else { - rp = erts_pid2proc(c_p, c_p_locks|ERTS_PROC_LOCK_STATUS, - pid, pid_locks|ERTS_PROC_LOCK_STATUS); + pid, ERTS_PROC_LOCK_STATUS); if (!rp) { c_p->flags &= ~F_P2PNR_RESCHED; @@ -8384,40 +8605,84 @@ pid2proc_not_running(Process *c_p, ErtsProcLocks c_p_locks, ASSERT(!(c_p->flags & F_P2PNR_RESCHED)); - if (suspend) { - if (suspend_process(c_p, rp)) - goto done; - } - else { - if (!((ERTS_PSFLG_RUNNING|ERTS_PSFLG_RUNNING_SYS) - & erts_smp_atomic32_read_acqb(&rp->state))) - goto done; + /* + * Suspend the other process in order to prevent + * it from being selected for normal execution. + * This will however not prevent it from being + * selected for execution of a system task. If + * it is selected for execution of a system task + * we might be blocked for quite a while if the + * try-lock below fails. That is, there is room + * for improvement here... + */ - } + if (!suspend_process(c_p, rp)) { + /* Other process running */ - /* Other process running */ + ASSERT(ERTS_PSFLG_RUNNING + & erts_smp_atomic32_read_nob(&rp->state)); - /* - * If we got pending suspenders and suspend ourselves waiting - * to suspend another process we might deadlock. - * In this case we have to yield, be suspended by - * someone else and then do it all over again. - */ - if (!c_p->pending_suspenders) { - /* Mark rp pending for suspend by c_p */ - add_pend_suspend(rp, c_p->common.id, handle_pend_sync_suspend); - ASSERT(is_nil(c_p->suspendee)); + running: - /* Suspend c_p; when rp is suspended c_p will be resumed. */ - suspend_process(c_p, c_p); - c_p->flags |= F_P2PNR_RESCHED; + /* + * If we got pending suspenders and suspend ourselves waiting + * to suspend another process we might deadlock. + * In this case we have to yield, be suspended by + * someone else and then do it all over again. + */ + if (!c_p->pending_suspenders) { + /* Mark rp pending for suspend by c_p */ + add_pend_suspend(rp, c_p->common.id, handle_pend_sync_suspend); + ASSERT(is_nil(c_p->suspendee)); + + /* Suspend c_p; when rp is suspended c_p will be resumed. */ + suspend_process(c_p, c_p); + c_p->flags |= F_P2PNR_RESCHED; + } + /* Yield (caller is assumed to yield immediately in bif). */ + erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_STATUS); + rp = ERTS_PROC_LOCK_BUSY; + } + else { + ErtsProcLocks need_locks = pid_locks & ~ERTS_PROC_LOCK_STATUS; + if (need_locks && erts_smp_proc_trylock(rp, need_locks) == EBUSY) { + if (ERTS_PSFLG_RUNNING_SYS + & erts_smp_atomic32_read_nob(&rp->state)) { + /* Executing system task... */ + resume_process(rp, ERTS_PROC_LOCK_STATUS); + goto running; + } + erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_STATUS); + /* + * If we are unlucky, the process just got selected for + * execution of a system task. In this case we may be + * blocked here for quite a while... Execution of system + * tasks are fortunately quite rare events. We try to + * avoid this by checking if it is in a state executing + * system tasks (above), but it will not prevent all + * scenarios for a long block here... + */ + rp = erts_pid2proc(c_p, c_p_locks|ERTS_PROC_LOCK_STATUS, + pid, pid_locks|ERTS_PROC_LOCK_STATUS); + if (!rp) + goto done; + } + + /* + * The previous suspend has prevented the process + * from being selected for normal execution regardless + * of locks held or not held on it... + */ + ASSERT(!(ERTS_PSFLG_RUNNING + & erts_smp_atomic32_read_nob(&rp->state))); + + if (!suspend) + resume_process(rp, pid_locks|ERTS_PROC_LOCK_STATUS); } - /* Yield (caller is assumed to yield immediately in bif). */ - erts_smp_proc_unlock(rp, pid_locks|ERTS_PROC_LOCK_STATUS); - rp = ERTS_PROC_LOCK_BUSY; } done: + if (rp && rp != ERTS_PROC_LOCK_BUSY && !(pid_locks & ERTS_PROC_LOCK_STATUS)) erts_smp_proc_unlock(rp, ERTS_PROC_LOCK_STATUS); if (unlock_c_p_status) @@ -9203,6 +9468,8 @@ Process *schedule(Process *p, int calls) Uint32 flags; erts_aint32_t state = 0; /* Supress warning... */ + ERTS_MSACC_DECLARE_CACHE(); + #ifdef USE_VM_PROBES if (p != NULL && DTRACE_ENABLED(process_unscheduled)) { DTRACE_CHARBUF(process_buf, DTRACE_TERM_BUF_SIZE); @@ -9307,6 +9574,8 @@ Process *schedule(Process *p, int calls) erts_smp_proc_unlock(p, ERTS_PROC_LOCK_MAIN|ERTS_PROC_LOCK_STATUS); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_OTHER); + if (state & ERTS_PSFLG_FREE) { #ifdef ERTS_SMP ASSERT(esdp->free_process == p); @@ -9343,15 +9612,16 @@ Process *schedule(Process *p, int calls) #ifdef ERTS_SMP ErtsMigrationPaths *mps; ErtsMigrationPath *mp; - ErtsProcList *pnd_xtrs = rq->procs.pending_exiters; - if (erts_proclist_fetch(&pnd_xtrs, NULL)) { + + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { + ErtsProcList *pnd_xtrs = rq->procs.pending_exiters; + if (erts_proclist_fetch(&pnd_xtrs, NULL)) { rq->procs.pending_exiters = NULL; erts_smp_runq_unlock(rq); handle_pending_exiters(pnd_xtrs); erts_smp_runq_lock(rq); } - if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { if (rq->check_balance_reds <= 0) check_balance(rq); @@ -9467,7 +9737,7 @@ Process *schedule(Process *p, int calls) scheduler_wait(&fcalls, esdp, rq); flags = ERTS_RUNQ_FLGS_SET_NOB(rq, ERTS_RUNQ_FLG_EXEC); flags |= ERTS_RUNQ_FLG_EXEC; - + ERTS_MSACC_UPDATE_CACHE(); #ifdef ERTS_SMP non_empty_runq(rq); #endif @@ -9482,6 +9752,8 @@ Process *schedule(Process *p, int calls) * Schedule system-level activities. */ + ERTS_MSACC_PUSH_STATE_CACHED_M(); + erts_smp_atomic32_set_relb(&function_calls, 0); fcalls = 0; @@ -9489,7 +9761,9 @@ Process *schedule(Process *p, int calls) erts_sys_schedule_interrupt(0); #endif erts_smp_runq_unlock(rq); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_CHECK_IO); erl_sys_schedule(1); + ERTS_MSACC_POP_STATE_M(); current_time = erts_get_monotonic_time(esdp); if (current_time >= erts_next_timeout_time(esdp->next_tmo_ref)) @@ -9547,11 +9821,12 @@ Process *schedule(Process *p, int calls) pick_next_process: { erts_aint32_t psflg_band_mask; int prio_q; - int qmask; + int qmask, qbit; flags = ERTS_RUNQ_FLGS_GET_NOB(rq); qmask = (int) (flags & ERTS_RUNQ_FLGS_PROCS_QMASK); - switch (qmask & -qmask) { + qbit = qmask & -qmask; + switch (qbit) { case MAX_BIT: prio_q = PRIORITY_MAX; break; @@ -9567,9 +9842,12 @@ Process *schedule(Process *p, int calls) case 0: /* No process at all */ default: ASSERT(qmask == 0); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_OTHER); goto check_activities_to_run; } + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_EMULATOR); + BM_START_TIMER(system); /* @@ -9579,20 +9857,11 @@ Process *schedule(Process *p, int calls) ASSERT(p); /* Wrong qmask in rq->flags? */ - psflg_band_mask = ~(((erts_aint32_t) 1) << (ERTS_PSFLGS_GET_PRQ_PRIO(state) - + ERTS_PSFLGS_IN_PRQ_MASK_OFFSET)); - -#ifdef ERTS_DIRTY_SCHEDULERS - ASSERT((state & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) != - (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)); - if (state & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) { - ASSERT((ERTS_SCHEDULER_IS_DIRTY_CPU(esdp) && (state & ERTS_PSFLG_DIRTY_CPU_PROC)) || - (ERTS_SCHEDULER_IS_DIRTY_IO(esdp) && (state & ERTS_PSFLG_DIRTY_IO_PROC))); - if (!ERTS_SCHEDULER_IS_DIRTY(esdp) && !(state & ERTS_PSFLG_ACTIVE_SYS)) - goto pick_next_process; - state &= ~(ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q|ERTS_PSFLG_DIRTY_IO_PROC_IN_Q); - } -#endif + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) + psflg_band_mask = ~((erts_aint32_t) 0); + else + psflg_band_mask = ~(((erts_aint32_t) 1) << (ERTS_PSFLGS_GET_PRQ_PRIO(state) + + ERTS_PSFLGS_IN_PRQ_MASK_OFFSET)); if (!(state & ERTS_PSFLG_PROXY)) psflg_band_mask &= ~ERTS_PSFLG_IN_RUNQ; @@ -9615,9 +9884,11 @@ Process *schedule(Process *p, int calls) | ERTS_PSFLG_RUNNING_SYS))) { tmp = state & (ERTS_PSFLG_SUSPENDED | ERTS_PSFLG_PENDING_EXIT - | ERTS_PSFLG_ACTIVE_SYS); + | ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS); if (tmp != ERTS_PSFLG_SUSPENDED) { - if (state & ERTS_PSFLG_ACTIVE_SYS) + if (state & (ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) new |= ERTS_PSFLG_RUNNING_SYS; else new |= ERTS_PSFLG_RUNNING; @@ -9630,7 +9901,8 @@ Process *schedule(Process *p, int calls) | ERTS_PSFLG_FREE)) || ((state & (ERTS_PSFLG_SUSPENDED | ERTS_PSFLG_PENDING_EXIT - | ERTS_PSFLG_ACTIVE_SYS)) + | ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) == ERTS_PSFLG_SUSPENDED)) { if (state & ERTS_PSFLG_FREE) erts_proc_dec_refc(p); @@ -9649,10 +9921,42 @@ Process *schedule(Process *p, int calls) esdp->current_process = p; + + reds = context_reds; + +#ifdef ERTS_SMP + + erts_smp_runq_unlock(rq); + +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_SCHEDULER_IS_DIRTY(esdp)) { +#ifdef DEBUG + int old_dqbit; +#endif + int dqbit = qbit; + + if (rq == ERTS_DIRTY_CPU_RUNQ) + dqbit <<= ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET; + else { + ASSERT(rq == ERTS_DIRTY_IO_RUNQ); + dqbit <<= ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET; + } + +#ifdef DEBUG + old_dqbit = (int) +#else + (void) +#endif + erts_smp_atomic32_read_band_mb(&p->dirty_state, ~dqbit); + ASSERT(old_dqbit & dqbit); + } +#endif /* ERTS_DIRTY_SCHEDULERS */ + +#endif /* ERTS_SMP */ + } #ifdef ERTS_SMP - erts_smp_runq_unlock(rq); if (flags & ERTS_RUNQ_FLG_PROTECTED) (void) ERTS_RUNQ_FLGS_UNSET(rq, ERTS_RUNQ_FLG_PROTECTED); @@ -9661,6 +9965,8 @@ Process *schedule(Process *p, int calls) erts_smp_proc_lock(p, ERTS_PROC_LOCK_MAIN|ERTS_PROC_LOCK_STATUS); + state = erts_smp_atomic32_read_nob(&p->state); + if (erts_sched_stat.enabled) { int prio; UWord old = ERTS_PROC_SCHED_ID(p, @@ -9685,15 +9991,56 @@ Process *schedule(Process *p, int calls) erts_smp_spin_unlock(&erts_sched_stat.lock); } - if (ERTS_PROC_PENDING_EXIT(p)) { + ASSERT(!p->scheduler_data); + p->scheduler_data = esdp; + + state = erts_smp_atomic32_read_nob(&p->state); + +#ifdef ERTS_DIRTY_SCHEDULERS + if (!ERTS_SCHEDULER_IS_DIRTY(esdp)) { + if (!!(state & ERTS_PSFLGS_DIRTY_WORK) + & !(state & ERTS_PSFLG_ACTIVE_SYS)) { + /* Migrate to dirty scheduler... */ + sunlock_sched_out_proc: + erts_smp_proc_unlock(p, ERTS_PROC_LOCK_STATUS); + p->fcalls = reds; + goto sched_out_proc; + + } + } + else { + if (state & (ERTS_PSFLG_ACTIVE_SYS + | ERTS_PSFLG_PENDING_EXIT + | ERTS_PSFLG_EXITING)) { + /* Migrate to normal scheduler... */ + goto sunlock_sched_out_proc; + } + if ((state & ERTS_PSFLG_DIRTY_ACTIVE_SYS) + && rq == ERTS_DIRTY_IO_RUNQ) { + /* Migrate to dirty cpu scheduler... */ + goto sunlock_sched_out_proc; + } + + ASSERT((state & ERTS_PSFLG_DIRTY_ACTIVE_SYS) + || *p->i == (BeamInstr) em_call_nif); + + ASSERT(rq == ERTS_DIRTY_CPU_RUNQ + ? (state & (ERTS_PSFLG_DIRTY_CPU_PROC + | ERTS_PSFLG_DIRTY_ACTIVE_SYS)) + : (rq == ERTS_DIRTY_IO_RUNQ + && (state & ERTS_PSFLG_DIRTY_IO_PROC))); + } +#endif + + if (state & ERTS_PSFLG_PENDING_EXIT) { erts_handle_pending_exit(p, ERTS_PROC_LOCK_MAIN|ERTS_PROC_LOCK_STATUS); state = erts_smp_atomic32_read_nob(&p->state); } - ASSERT(!p->scheduler_data); - p->scheduler_data = esdp; -#endif - reds = context_reds; + +#endif /* ERTS_SMP */ + + p->fcalls = reds; if (IS_TRACED(p)) { if (state & ERTS_PSFLG_EXITING) { @@ -9722,7 +10069,8 @@ Process *schedule(Process *p, int calls) reds -= execute_sys_tasks(p, &state, reds); if (reds <= 0 #ifdef ERTS_DIRTY_SCHEDULERS - || (state & (ERTS_PSFLG_DIRTY_CPU_PROC|ERTS_PSFLG_DIRTY_IO_PROC)) + || ERTS_SCHEDULER_IS_DIRTY(esdp) + || (state & ERTS_PSFLGS_DIRTY_WORK) #endif ) { p->fcalls = reds; @@ -9770,7 +10118,6 @@ Process *schedule(Process *p, int calls) proxy_p = NULL; } - p->fcalls = reds; ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(p); /* Never run a suspended process */ @@ -10655,6 +11002,9 @@ static void early_init_process_struct(void *varg, Eterm data) Process *proc = arg->proc; proc->common.id = make_internal_pid(data); +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_atomic32_init_nob(&proc->dirty_state, 0); +#endif erts_smp_atomic32_init_relb(&proc->state, arg->state); #ifdef ERTS_SMP @@ -11144,6 +11494,9 @@ void erts_init_empty_process(Process *p) p->last_old_htop = NULL; #endif +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_atomic32_init_nob(&p->dirty_state, 0); +#endif erts_smp_atomic32_init_nob(&p->state, (erts_aint32_t) PRIORITY_NORMAL); #ifdef ERTS_SMP @@ -11336,7 +11689,9 @@ set_proc_exiting(Process *p, ERTS_SMP_LC_ASSERT(erts_proc_lc_my_proc_locks(p) == ERTS_PROC_LOCKS_ALL); enqueue = change_proc_schedule_state(p, - ERTS_PSFLG_SUSPENDED|ERTS_PSFLG_PENDING_EXIT, + (ERTS_PSFLG_SUSPENDED + | ERTS_PSFLG_PENDING_EXIT + | ERTS_PSFLGS_DIRTY_WORK), ERTS_PSFLG_EXITING|ERTS_PSFLG_ACTIVE, &state, &enq_prio, @@ -11370,10 +11725,7 @@ set_proc_exiting(Process *p, } #endif - if (enqueue) - add2runq(enqueue > 0 ? p : make_proxy_proc(NULL, p, enq_prio), - state, - enq_prio); + add2runq(enqueue, enq_prio, p, state, NULL); } static ERTS_INLINE erts_aint32_t @@ -11476,6 +11828,11 @@ save_pending_exiter(Process *p) else rq = esdp->run_queue; +#ifdef ERTS_DIRTY_SCHEDULERS + if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) + rq = ERTS_RUNQ_IX(0); /* Handle on ordinary scheduler */ +#endif + plp = proclist_create(p); erts_smp_runq_lock(rq); @@ -11485,13 +11842,8 @@ save_pending_exiter(Process *p) non_empty_runq(rq); erts_smp_runq_unlock(rq); -#ifdef ERTS_DIRTY_SCHEDULERS - if (ERTS_RUNQ_IX_IS_DIRTY(rq->ix)) - wake_dirty_schedulers(rq, 0); - else -#endif - wake_scheduler(rq); + wake_scheduler(rq); } #endif diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index b50fa5a10f..0c7ad74614 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -60,6 +60,9 @@ typedef struct process Process; #include "erl_mseg.h" #include "erl_async.h" #include "erl_gc.h" +#define ERTS_ONLY_INCLUDE_TRACE_FLAGS +#include "erl_trace.h" +#undef ERTS_ONLY_INCLUDE_TRACE_FLAGS #ifdef HIPE #include "hipe_process.h" @@ -1032,6 +1035,9 @@ struct process { ErtsProcSysTaskQs *sys_task_qs; erts_smp_atomic32_t state; /* Process state flags (see ERTS_PSFLG_*) */ +#ifdef ERTS_DIRTY_SCHEDULERS + erts_smp_atomic32_t dirty_state; /* Process dirty state flags (see ERTS_PDSFLG_*) */ +#endif #ifdef ERTS_SMP ErlMessageInQueue msg_inq; @@ -1153,15 +1159,14 @@ void erts_check_for_holes(Process* p); #define ERTS_PSFLG_DELAYED_SYS ERTS_PSFLG_BIT(17) #define ERTS_PSFLG_OFF_HEAP_MSGQ ERTS_PSFLG_BIT(18) #define ERTS_PSFLG_ON_HEAP_MSGQ ERTS_PSFLG_BIT(19) -#ifdef ERTS_DIRTY_SCHEDULERS #define ERTS_PSFLG_DIRTY_CPU_PROC ERTS_PSFLG_BIT(20) #define ERTS_PSFLG_DIRTY_IO_PROC ERTS_PSFLG_BIT(21) -#define ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q ERTS_PSFLG_BIT(22) -#define ERTS_PSFLG_DIRTY_IO_PROC_IN_Q ERTS_PSFLG_BIT(23) -#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 24) -#else -#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 20) -#endif +#define ERTS_PSFLG_DIRTY_ACTIVE_SYS ERTS_PSFLG_BIT(22) +#define ERTS_PSFLG_MAX (ERTS_PSFLGS_ZERO_BIT_OFFSET + 22) + +#define ERTS_PSFLGS_DIRTY_WORK (ERTS_PSFLG_DIRTY_CPU_PROC \ + | ERTS_PSFLG_DIRTY_IO_PROC \ + | ERTS_PSFLG_DIRTY_ACTIVE_SYS) #define ERTS_PSFLGS_IN_PRQ_MASK (ERTS_PSFLG_IN_PRQ_MAX \ | ERTS_PSFLG_IN_PRQ_HIGH \ @@ -1173,7 +1178,37 @@ void erts_check_for_holes(Process* p); #define ERTS_PSFLGS_GET_USR_PRIO(PSFLGS) \ (((PSFLGS) >> ERTS_PSFLGS_USR_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK) #define ERTS_PSFLGS_GET_PRQ_PRIO(PSFLGS) \ - (((PSFLGS) >> ERTS_PSFLGS_USR_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK) + (((PSFLGS) >> ERTS_PSFLGS_PRQ_PRIO_OFFSET) & ERTS_PSFLGS_PRIO_MASK) + +#ifdef ERTS_DIRTY_SCHEDULERS + +/* + * Flags in the dirty_state field. + */ + +#define ERTS_PDSFLG_IN_CPU_PRQ_MAX (((erts_aint32_t) 1) << 0) +#define ERTS_PDSFLG_IN_CPU_PRQ_HIGH (((erts_aint32_t) 1) << 1) +#define ERTS_PDSFLG_IN_CPU_PRQ_NORMAL (((erts_aint32_t) 1) << 2) +#define ERTS_PDSFLG_IN_CPU_PRQ_LOW (((erts_aint32_t) 1) << 3) +#define ERTS_PDSFLG_IN_IO_PRQ_MAX (((erts_aint32_t) 1) << 4) +#define ERTS_PDSFLG_IN_IO_PRQ_HIGH (((erts_aint32_t) 1) << 5) +#define ERTS_PDSFLG_IN_IO_PRQ_NORMAL (((erts_aint32_t) 1) << 6) +#define ERTS_PDSFLG_IN_IO_PRQ_LOW (((erts_aint32_t) 1) << 7) + +#define ERTS_PDSFLGS_QMASK ERTS_PSFLGS_QMASK +#define ERTS_PDSFLGS_IN_CPU_PRQ_MASK_OFFSET 0 +#define ERTS_PDSFLGS_IN_IO_PRQ_MASK_OFFSET ERTS_PSFLGS_QMASK_BITS + +#define ERTS_PDSFLG_IN_CPU_PRQ_MASK (ERTS_PDSFLG_IN_CPU_PRQ_MAX \ + | ERTS_PDSFLG_IN_CPU_PRQ_HIGH \ + | ERTS_PDSFLG_IN_CPU_PRQ_NORMAL\ + | ERTS_PDSFLG_IN_CPU_PRQ_LOW) +#define ERTS_PDSFLG_IN_IO_PRQ_MASK (ERTS_PDSFLG_IN_CPU_PRQ_MAX \ + | ERTS_PDSFLG_IN_CPU_PRQ_HIGH \ + | ERTS_PDSFLG_IN_CPU_PRQ_NORMAL\ + | ERTS_PDSFLG_IN_CPU_PRQ_LOW) +#endif + /* * Static flags that do not change after process creation. @@ -1284,6 +1319,7 @@ struct erts_system_profile_flags_t { unsigned int exclusive : 1; }; extern struct erts_system_profile_flags_t erts_system_profile_flags; +extern int erts_system_profile_ts_type; /* process flags */ #define F_HIBERNATE_SCHED (1 << 0) /* Schedule out after hibernate op */ @@ -1315,61 +1351,90 @@ extern struct erts_system_profile_flags_t erts_system_profile_flags; * not be scheduled out while F_DELAY_GC is set. */ +#define ERTS_TRACE_FLAGS_TS_TYPE_SHIFT 0 + +#define F_TRACE_FLAG(N) (1 << (ERTS_TRACE_TS_TYPE_BITS + (N))) + /* process trace_flags */ -#define F_SENSITIVE (1 << 0) -#define F_TRACE_SEND (1 << 1) -#define F_TRACE_RECEIVE (1 << 2) -#define F_TRACE_SOS (1 << 3) /* Set on spawn */ -#define F_TRACE_SOS1 (1 << 4) /* Set on first spawn */ -#define F_TRACE_SOL (1 << 5) /* Set on link */ -#define F_TRACE_SOL1 (1 << 6) /* Set on first link */ -#define F_TRACE_CALLS (1 << 7) -#define F_TIMESTAMP (1 << 8) -#define F_TRACE_PROCS (1 << 9) -#define F_TRACE_FIRST_CHILD (1 << 10) -#define F_TRACE_SCHED (1 << 11) -#define F_TRACE_GC (1 << 12) -#define F_TRACE_ARITY_ONLY (1 << 13) -#define F_TRACE_RETURN_TO (1 << 14) /* Return_to trace when breakpoint tracing */ -#define F_TRACE_SILENT (1 << 15) /* No call trace msg suppress */ -#define F_TRACER (1 << 16) /* May be (has been) tracer */ -#define F_EXCEPTION_TRACE (1 << 17) /* May have exception trace on stack */ + +#define F_NOW_TS (ERTS_TRACE_FLG_NOW_TIMESTAMP \ + << ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) +#define F_STRICT_MON_TS (ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP \ + << ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) +#define F_MON_TS (ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP \ + << ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) +#define F_SENSITIVE F_TRACE_FLAG(0) +#define F_TRACE_SEND F_TRACE_FLAG(1) +#define F_TRACE_RECEIVE F_TRACE_FLAG(2) +#define F_TRACE_SOS F_TRACE_FLAG(3) /* Set on spawn */ +#define F_TRACE_SOS1 F_TRACE_FLAG(4) /* Set on first spawn */ +#define F_TRACE_SOL F_TRACE_FLAG(5) /* Set on link */ +#define F_TRACE_SOL1 F_TRACE_FLAG(6) /* Set on first link */ +#define F_TRACE_CALLS F_TRACE_FLAG(7) +#define F_TRACE_PROCS F_TRACE_FLAG(8) +#define F_TRACE_FIRST_CHILD F_TRACE_FLAG(9) +#define F_TRACE_SCHED F_TRACE_FLAG(10) +#define F_TRACE_GC F_TRACE_FLAG(11) +#define F_TRACE_ARITY_ONLY F_TRACE_FLAG(12) +#define F_TRACE_RETURN_TO F_TRACE_FLAG(13) /* Return_to trace when breakpoint tracing */ +#define F_TRACE_SILENT F_TRACE_FLAG(14) /* No call trace msg suppress */ +#define F_TRACER F_TRACE_FLAG(15) /* May be (has been) tracer */ +#define F_EXCEPTION_TRACE F_TRACE_FLAG(16) /* May have exception trace on stack */ /* port trace flags, currently the same as process trace flags */ -#define F_TRACE_SCHED_PORTS (1 << 18) /* Trace of port scheduling */ -#define F_TRACE_SCHED_PROCS (1 << 19) /* With virtual scheduling */ -#define F_TRACE_PORTS (1 << 20) /* Ports equivalent to F_TRACE_PROCS */ -#define F_TRACE_SCHED_NO (1 << 21) /* Trace with scheduler id */ -#define F_TRACE_SCHED_EXIT (1 << 22) +#define F_TRACE_SCHED_PORTS F_TRACE_FLAG(17) /* Trace of port scheduling */ +#define F_TRACE_SCHED_PROCS F_TRACE_FLAG(18) /* With virtual scheduling */ +#define F_TRACE_PORTS F_TRACE_FLAG(19) /* Ports equivalent to F_TRACE_PROCS */ +#define F_TRACE_SCHED_NO F_TRACE_FLAG(20) /* Trace with scheduler id */ +#define F_TRACE_SCHED_EXIT F_TRACE_FLAG(21) -#define F_NUM_FLAGS 23 +#define F_NUM_FLAGS (ERTS_TRACE_TS_TYPE_BITS + 22) #ifdef DEBUG # define F_INITIAL_TRACE_FLAGS (5 << F_NUM_FLAGS) #else # define F_INITIAL_TRACE_FLAGS 0 #endif +/* F_TIMESTAMP_MASK is a bit-field of all all timestamp types */ +#define F_TIMESTAMP_MASK \ + (ERTS_TRACE_TS_TYPE_MASK << ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) + #define TRACEE_FLAGS ( F_TRACE_PROCS | F_TRACE_CALLS \ | F_TRACE_SOS | F_TRACE_SOS1| F_TRACE_RECEIVE \ | F_TRACE_SOL | F_TRACE_SOL1 | F_TRACE_SEND \ - | F_TRACE_SCHED | F_TIMESTAMP | F_TRACE_GC \ + | F_TRACE_SCHED | F_TIMESTAMP_MASK | F_TRACE_GC \ | F_TRACE_ARITY_ONLY | F_TRACE_RETURN_TO \ | F_TRACE_SILENT | F_TRACE_SCHED_PROCS | F_TRACE_PORTS \ | F_TRACE_SCHED_PORTS | F_TRACE_SCHED_NO \ | F_TRACE_SCHED_EXIT) #define ERTS_TRACEE_MODIFIER_FLAGS \ - (F_TRACE_SILENT | F_TIMESTAMP | F_TRACE_SCHED_NO) + (F_TRACE_SILENT | F_TIMESTAMP_MASK | F_TRACE_SCHED_NO) #define ERTS_PORT_TRACEE_FLAGS \ (ERTS_TRACEE_MODIFIER_FLAGS | F_TRACE_PORTS | F_TRACE_SCHED_PORTS) #define ERTS_PROC_TRACEE_FLAGS \ ((TRACEE_FLAGS & ~ERTS_PORT_TRACEE_FLAGS) | ERTS_TRACEE_MODIFIER_FLAGS) +#define SEQ_TRACE_FLAG(N) (1 << (ERTS_TRACE_TS_TYPE_BITS + (N))) + /* Sequential trace flags */ + +/* SEQ_TRACE_TIMESTAMP_MASK is a bit-field */ +#define SEQ_TRACE_TIMESTAMP_MASK \ + (ERTS_TRACE_TS_TYPE_MASK << ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) + #define SEQ_TRACE_SEND (1 << 0) #define SEQ_TRACE_RECEIVE (1 << 1) #define SEQ_TRACE_PRINT (1 << 2) -#define SEQ_TRACE_TIMESTAMP (1 << 3) + +#define ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT 3 + +#define SEQ_TRACE_NOW_TS (ERTS_TRACE_FLG_NOW_TIMESTAMP \ + << ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) +#define SEQ_TRACE_STRICT_MON_TS (ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP \ + << ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) +#define SEQ_TRACE_MON_TS (ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP \ + << ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) #ifdef USE_VM_PROBES #define DT_UTAG_PERMANENT (1 << 0) @@ -1458,6 +1523,7 @@ void erts_init_scheduling(int, int int erts_set_gc_state(Process *c_p, int enable); Eterm erts_sched_wall_time_request(Process *c_p, int set, int enable); +Eterm erts_system_check_request(Process *c_p); Eterm erts_gc_info_request(Process *c_p); Uint64 erts_get_proc_interval(void); Uint64 erts_ensure_later_proc_interval(Uint64); diff --git a/erts/emulator/beam/erl_process_dict.c b/erts/emulator/beam/erl_process_dict.c index 84cd81aecf..36d16f7f42 100644 --- a/erts/emulator/beam/erl_process_dict.c +++ b/erts/emulator/beam/erl_process_dict.c @@ -749,7 +749,7 @@ static void shrink(Process *p, Eterm* ret) if (lo == NIL) { ARRAY_PUT(pd, pd->splitPosition, hi); } else { - int needed = 4; + Sint needed = 4; if (is_list(hi) && is_list(lo)) { needed = 2*erts_list_length(hi); } @@ -814,7 +814,7 @@ static void grow(Process *p) Eterm *hp; unsigned int pos; unsigned int homeSize; - int needed = 0; + Sint needed = 0; ProcDict *pd = p->dictionary; #ifdef DEBUG Eterm *hp_limit; diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index 71396561a3..39c36ee7a9 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -618,7 +618,7 @@ erts_dump_extended_process_state(int to, void *to_arg, erts_aint32_t psflg) { if (psflg) erts_print(to, to_arg, " | "); - for (i = 0; i < ERTS_PSFLG_MAX && psflg; i++) { + for (i = 0; i <= ERTS_PSFLG_MAX && psflg; i++) { erts_aint32_t chk = (1 << i); if (psflg & chk) { switch (chk) { @@ -660,16 +660,14 @@ erts_dump_extended_process_state(int to, void *to_arg, erts_aint32_t psflg) { erts_print(to, to_arg, "DELAYED_SYS"); break; case ERTS_PSFLG_OFF_HEAP_MSGQ: erts_print(to, to_arg, "OFF_HEAP_MSGQ"); break; -#ifdef ERTS_DIRTY_SCHEDULERS + case ERTS_PSFLG_ON_HEAP_MSGQ: + erts_print(to, to_arg, "ON_HEAP_MSGQ"); break; case ERTS_PSFLG_DIRTY_CPU_PROC: erts_print(to, to_arg, "DIRTY_CPU_PROC"); break; case ERTS_PSFLG_DIRTY_IO_PROC: erts_print(to, to_arg, "DIRTY_IO_PROC"); break; - case ERTS_PSFLG_DIRTY_CPU_PROC_IN_Q: - erts_print(to, to_arg, "DIRTY_CPU_PROC_IN_Q"); break; - case ERTS_PSFLG_DIRTY_IO_PROC_IN_Q: - erts_print(to, to_arg, "DIRTY_IO_PROC_IN_Q"); break; -#endif + case ERTS_PSFLG_DIRTY_ACTIVE_SYS: + erts_print(to, to_arg, "DIRTY_ACTIVE_SYS"); break; default: erts_print(to, to_arg, "UNKNOWN(%d)", chk); break; } diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h index a64c993e8f..9c59301086 100644 --- a/erts/emulator/beam/erl_process_lock.h +++ b/erts/emulator/beam/erl_process_lock.h @@ -523,6 +523,10 @@ erts_smp_proc_lock__(Process *p, ERTS_LC_ASSERT((locks & ~ERTS_PROC_LOCKS_ALL) == 0); +#ifdef ERTS_ENABLE_LOCK_CHECK + erts_proc_lc_lock(p, locks, file, line); +#endif + old_lflgs = erts_smp_proc_raw_trylock__(p, locks); if (old_lflgs != 0) { @@ -544,9 +548,6 @@ erts_smp_proc_lock__(Process *p, #ifdef ERTS_ENABLE_LOCK_COUNT erts_lcnt_proc_lock_post_x(&(p->lock), locks, file, line); #endif -#ifdef ERTS_ENABLE_LOCK_CHECK - erts_proc_lc_lock(p, locks, file, line); -#endif #ifdef ERTS_PROC_LOCK_DEBUG erts_proc_lock_op_debug(p, locks, 1); diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h index 34f91e2ec8..e689547d1d 100644 --- a/erts/emulator/beam/erl_threads.h +++ b/erts/emulator/beam/erl_threads.h @@ -2056,6 +2056,8 @@ erts_atomic64_read_dirty(erts_atomic64_t *var) #endif /* !USE_THREADS */ +#include "erl_msacc.h" + #if ERTS_GLB_INLINE_INCL_FUNC_DEF ERTS_GLB_INLINE void @@ -2414,6 +2416,7 @@ erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx) { #ifdef USE_THREADS int res; + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP); #ifdef ERTS_ENABLE_LOCK_CHECK erts_lc_unlock(&mtx->lc); #endif @@ -2432,6 +2435,7 @@ erts_cnd_wait(erts_cnd_t *cnd, erts_mtx_t *mtx) #endif if (res != 0 && res != EINTR) erts_thr_fatal_error(res, "wait on condition variable"); + ERTS_MSACC_POP_STATE(); #endif } @@ -3488,7 +3492,11 @@ ERTS_GLB_INLINE void erts_tse_reset(erts_tse_t *ep) ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep) { #ifdef USE_THREADS - return ethr_event_wait(&((ethr_ts_event *) ep)->event); + int res; + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP); + res = ethr_event_wait(&((ethr_ts_event *) ep)->event); + ERTS_MSACC_POP_STATE(); + return res; #else return ENOTSUP; #endif @@ -3497,7 +3505,11 @@ ERTS_GLB_INLINE int erts_tse_wait(erts_tse_t *ep) ERTS_GLB_INLINE int erts_tse_swait(erts_tse_t *ep, int spincount) { #ifdef USE_THREADS - return ethr_event_swait(&((ethr_ts_event *) ep)->event, spincount); + int res; + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP); + res = ethr_event_swait(&((ethr_ts_event *) ep)->event, spincount); + ERTS_MSACC_POP_STATE(); + return res; #else return ENOTSUP; #endif @@ -3506,8 +3518,12 @@ ERTS_GLB_INLINE int erts_tse_swait(erts_tse_t *ep, int spincount) ERTS_GLB_INLINE int erts_tse_twait(erts_tse_t *ep, Sint64 tmo) { #ifdef USE_THREADS - return ethr_event_twait(&((ethr_ts_event *) ep)->event, - (ethr_sint64_t) tmo); + int res; + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP); + res = ethr_event_twait(&((ethr_ts_event *) ep)->event, + (ethr_sint64_t) tmo); + ERTS_MSACC_POP_STATE(); + return res; #else return ENOTSUP; #endif @@ -3516,9 +3532,13 @@ ERTS_GLB_INLINE int erts_tse_twait(erts_tse_t *ep, Sint64 tmo) ERTS_GLB_INLINE int erts_tse_stwait(erts_tse_t *ep, int spincount, Sint64 tmo) { #ifdef USE_THREADS - return ethr_event_stwait(&((ethr_ts_event *) ep)->event, - spincount, - (ethr_sint64_t) tmo); + int res; + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_SLEEP); + res = ethr_event_stwait(&((ethr_ts_event *) ep)->event, + spincount, + (ethr_sint64_t) tmo); + ERTS_MSACC_POP_STATE(); + return res; #else return ENOTSUP; #endif diff --git a/erts/emulator/beam/erl_time.h b/erts/emulator/beam/erl_time.h index 43e543e035..5242063550 100644 --- a/erts/emulator/beam/erl_time.h +++ b/erts/emulator/beam/erl_time.h @@ -133,11 +133,17 @@ typedef struct { extern ErtsTimeSupData erts_time_sup__; +ErtsMonotonicTime erts_napi_monotonic_time(int time_unit); +ErtsMonotonicTime erts_napi_time_offset(int time_unit); +ErtsMonotonicTime erts_napi_convert_time_unit(ErtsMonotonicTime val, int from, int to); + ERTS_GLB_INLINE Uint64 erts_time_unit_conversion(Uint64 value, Uint32 from_time_unit, Uint32 to_time_unit); +ErtsSysPerfCounter erts_perf_counter_unit(void); + #if ERTS_GLB_INLINE_INCL_FUNC_DEF ERTS_GLB_INLINE Uint64 diff --git a/erts/emulator/beam/erl_time_sup.c b/erts/emulator/beam/erl_time_sup.c index 7ec64506e8..98159fdf72 100644 --- a/erts/emulator/beam/erl_time_sup.c +++ b/erts/emulator/beam/erl_time_sup.c @@ -33,6 +33,8 @@ #include "global.h" #define ERTS_WANT_TIMER_WHEEL_API #include "erl_time.h" +#include "erl_driver.h" +#include "erl_nif.h" static erts_smp_mtx_t erts_timeofday_mtx; static erts_smp_mtx_t erts_get_time_mtx; @@ -57,6 +59,7 @@ static int time_sup_initialized = 0; #define ERTS_MONOTONIC_TIME_TERA \ (ERTS_MONOTONIC_TIME_GIGA*ERTS_MONOTONIC_TIME_KILO) +static void init_time_napi(void); static void schedule_send_time_offset_changed_notifications(ErtsMonotonicTime new_offset); @@ -948,6 +951,8 @@ erts_init_time_sup(int time_correction, ErtsTimeWarpMode time_warp_mode) ErtsMonotonicTime abs_native_offset, native_offset; #endif + init_time_napi(); + erts_hl_timer_init(); ASSERT(ERTS_MONOTONIC_TIME_MIN < ERTS_MONOTONIC_TIME_MAX); @@ -1744,7 +1749,40 @@ erts_get_monotonic_time(ErtsSchedulerData *esdp) { ErtsMonotonicTime mtime = time_sup.r.o.get_time(); update_last_mtime(esdp, mtime); - return mtime; + return mtime; +} + +ErtsMonotonicTime +erts_get_time_offset(void) +{ + return get_time_offset(); +} + +static ERTS_INLINE void +make_timestamp_value(Uint* megasec, Uint* sec, Uint* microsec, + ErtsMonotonicTime mtime, ErtsMonotonicTime offset) +{ + ErtsMonotonicTime stime, as; + Uint ms; + + stime = ERTS_MONOTONIC_TO_USEC(mtime + offset); + + as = stime / ERTS_MONOTONIC_TIME_MEGA; + *megasec = ms = (Uint) (stime / ERTS_MONOTONIC_TIME_TERA); + *sec = (Uint) (as - (((ErtsMonotonicTime) ms) + * ERTS_MONOTONIC_TIME_MEGA)); + *microsec = (Uint) (stime - as*ERTS_MONOTONIC_TIME_MEGA); + + ASSERT(((ErtsMonotonicTime) ms)*ERTS_MONOTONIC_TIME_TERA + + ((ErtsMonotonicTime) *sec)*ERTS_MONOTONIC_TIME_MEGA + + *microsec == stime); +} + +void +erts_make_timestamp_value(Uint* megasec, Uint* sec, Uint* microsec, + ErtsMonotonicTime mtime, ErtsMonotonicTime offset) +{ + make_timestamp_value(megasec, sec, microsec, mtime, offset); } void @@ -2165,6 +2203,146 @@ time_unit_conversion(Process *c_p, Eterm term, ErtsMonotonicTime val, ErtsMonoto return ret; } + +/* + * Time Native API (drivers and NIFs) + */ + +#define ERTS_NAPI_TIME_ERROR ((ErtsMonotonicTime) ERTS_NAPI_TIME_ERROR__) + +static void +init_time_napi(void) +{ + /* Verify that time native api constants are as expected... */ + + ASSERT(sizeof(ErtsMonotonicTime) == sizeof(ErlDrvTime)); + ASSERT(ERL_DRV_TIME_ERROR == (ErlDrvTime) ERTS_NAPI_TIME_ERROR); + ASSERT(ERL_DRV_TIME_ERROR < (ErlDrvTime) 0); + ASSERT(ERTS_NAPI_SEC__ == (int) ERL_DRV_SEC); + ASSERT(ERTS_NAPI_MSEC__ == (int) ERL_DRV_MSEC); + ASSERT(ERTS_NAPI_USEC__ == (int) ERL_DRV_USEC); + ASSERT(ERTS_NAPI_NSEC__ == (int) ERL_DRV_NSEC); + + ASSERT(sizeof(ErtsMonotonicTime) == sizeof(ErlNifTime)); + ASSERT(ERL_NIF_TIME_ERROR == (ErlNifTime) ERTS_NAPI_TIME_ERROR); + ASSERT(ERL_NIF_TIME_ERROR < (ErlNifTime) 0); + ASSERT(ERTS_NAPI_SEC__ == (int) ERL_NIF_SEC); + ASSERT(ERTS_NAPI_MSEC__ == (int) ERL_NIF_MSEC); + ASSERT(ERTS_NAPI_USEC__ == (int) ERL_NIF_USEC); + ASSERT(ERTS_NAPI_NSEC__ == (int) ERL_NIF_NSEC); +} + +ErtsMonotonicTime +erts_napi_monotonic_time(int time_unit) +{ + ErtsSchedulerData *esdp; + ErtsMonotonicTime mtime; + + /* At least for now only allow schedulers to do this... */ + esdp = erts_get_scheduler_data(); + if (!esdp) + return ERTS_NAPI_TIME_ERROR; + + mtime = time_sup.r.o.get_time(); + update_last_mtime(esdp, mtime); + + switch (time_unit) { + case ERTS_NAPI_SEC__: + mtime = ERTS_MONOTONIC_TO_SEC(mtime); + mtime += ERTS_MONOTONIC_OFFSET_SEC; + break; + case ERTS_NAPI_MSEC__: + mtime = ERTS_MONOTONIC_TO_MSEC(mtime); + mtime += ERTS_MONOTONIC_OFFSET_MSEC; + break; + case ERTS_NAPI_USEC__: + mtime = ERTS_MONOTONIC_TO_USEC(mtime); + mtime += ERTS_MONOTONIC_OFFSET_USEC; + break; + case ERTS_NAPI_NSEC__: + mtime = ERTS_MONOTONIC_TO_NSEC(mtime); + mtime += ERTS_MONOTONIC_OFFSET_NSEC; + break; + default: + return ERTS_NAPI_TIME_ERROR; + } + + return mtime; +} + +ErtsMonotonicTime +erts_napi_time_offset(int time_unit) +{ + ErtsSchedulerData *esdp; + ErtsSystemTime offs; + + /* At least for now only allow schedulers to do this... */ + esdp = erts_get_scheduler_data(); + if (!esdp) + return ERTS_NAPI_TIME_ERROR; + + offs = get_time_offset(); + switch (time_unit) { + case ERTS_NAPI_SEC__: + offs = ERTS_MONOTONIC_TO_SEC(offs); + offs -= ERTS_MONOTONIC_OFFSET_SEC; + break; + case ERTS_NAPI_MSEC__: + offs = ERTS_MONOTONIC_TO_MSEC(offs); + offs -= ERTS_MONOTONIC_OFFSET_MSEC; + break; + case ERTS_NAPI_USEC__: + offs = ERTS_MONOTONIC_TO_USEC(offs); + offs -= ERTS_MONOTONIC_OFFSET_USEC; + break; + case ERTS_NAPI_NSEC__: + offs = ERTS_MONOTONIC_TO_NSEC(offs); + offs -= ERTS_MONOTONIC_OFFSET_NSEC; + break; + default: + return ERTS_NAPI_TIME_ERROR; + } + return offs; +} + +ErtsMonotonicTime +erts_napi_convert_time_unit(ErtsMonotonicTime val, int from, int to) +{ + ErtsMonotonicTime ffreq, tfreq, denom; + /* + * Convertion between time units using floor function. + * + * Note that this needs to work also for negative + * values. Ordinary integer division on a negative + * value will give ceiling... + */ + + switch ((int) from) { + case ERTS_NAPI_SEC__: ffreq = 1; break; + case ERTS_NAPI_MSEC__: ffreq = 1000; break; + case ERTS_NAPI_USEC__: ffreq = 1000*1000; break; + case ERTS_NAPI_NSEC__: ffreq = 1000*1000*1000; break; + default: return ERTS_NAPI_TIME_ERROR; + } + + switch ((int) to) { + case ERTS_NAPI_SEC__: tfreq = 1; break; + case ERTS_NAPI_MSEC__: tfreq = 1000; break; + case ERTS_NAPI_USEC__: tfreq = 1000*1000; break; + case ERTS_NAPI_NSEC__: tfreq = 1000*1000*1000; break; + default: return ERTS_NAPI_TIME_ERROR; + } + + if (tfreq >= ffreq) + return val * (tfreq / ffreq); + + denom = ffreq / tfreq; + if (val >= 0) + return val / denom; + + return (val - (denom - 1)) / denom; +} + /* Built in functions */ BIF_RETTYPE monotonic_time_0(BIF_ALIST_0) @@ -2221,22 +2399,14 @@ BIF_RETTYPE time_offset_1(BIF_ALIST_1) BIF_RETTYPE timestamp_0(BIF_ALIST_0) { Eterm *hp, res; - ErtsMonotonicTime stime, mtime, all_sec, offset; + ErtsMonotonicTime mtime, offset; Uint mega_sec, sec, micro_sec; mtime = time_sup.r.o.get_time(); offset = get_time_offset(); update_last_mtime(ERTS_PROC_GET_SCHDATA(BIF_P), mtime); - stime = ERTS_MONOTONIC_TO_USEC(mtime + offset); - all_sec = stime / ERTS_MONOTONIC_TIME_MEGA; - mega_sec = (Uint) (stime / ERTS_MONOTONIC_TIME_TERA); - sec = (Uint) (all_sec - (((ErtsMonotonicTime) mega_sec) - * ERTS_MONOTONIC_TIME_MEGA)); - micro_sec = (Uint) (stime - all_sec*ERTS_MONOTONIC_TIME_MEGA); - ASSERT(((ErtsMonotonicTime) mega_sec)*ERTS_MONOTONIC_TIME_TERA - + ((ErtsMonotonicTime) sec)*ERTS_MONOTONIC_TIME_MEGA - + micro_sec == stime); + make_timestamp_value(&mega_sec, &sec, µ_sec, mtime, offset); /* * Mega seconds is the only value that potentially @@ -2265,9 +2435,19 @@ BIF_RETTYPE os_system_time_0(BIF_ALIST_0) BIF_RET(make_time_val(BIF_P, stime)); } -BIF_RETTYPE os_system_time_1(BIF_ALIST_0) +BIF_RETTYPE os_system_time_1(BIF_ALIST_1) { ErtsSystemTime stime = erts_os_system_time(); BIF_RET(time_unit_conversion(BIF_P, BIF_ARG_1, stime, 0)); } +BIF_RETTYPE +os_perf_counter_0(BIF_ALIST_0) +{ + BIF_RET(make_time_val(BIF_P, erts_sys_perf_counter())); +} + +BIF_RETTYPE erts_internal_perf_counter_unit_0(BIF_ALIST_0) +{ + BIF_RET(make_time_val(BIF_P, erts_sys_perf_counter_unit())); +} diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index c2efb404d6..25393369a7 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -38,6 +38,7 @@ #include "erl_binary.h" #include "erl_bits.h" #include "erl_thr_progress.h" +#include "erl_bif_unique.h" #if 0 #define DEBUG_PRINTOUTS @@ -77,6 +78,264 @@ enum ErtsSysMsgType { SYS_MSG_TYPE_SYSPROF }; +#define ERTS_TRACE_TS_NOW_MAX_SIZE \ + 4 +#define ERTS_TRACE_TS_MONOTONIC_MAX_SIZE \ + ERTS_MAX_SINT64_HEAP_SIZE +#define ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE \ + (3 + ERTS_MAX_SINT64_HEAP_SIZE \ + + ERTS_MAX_UINT64_HEAP_SIZE) + +#define ERTS_TRACE_PATCH_TS_MAX_SIZE \ + (1 + ((ERTS_TRACE_TS_NOW_MAX_SIZE \ + > ERTS_TRACE_TS_MONOTONIC_MAX_SIZE) \ + ? ((ERTS_TRACE_TS_NOW_MAX_SIZE \ + > ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE) \ + ? ERTS_TRACE_TS_NOW_MAX_SIZE \ + : ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE) \ + : ((ERTS_TRACE_TS_MONOTONIC_MAX_SIZE \ + > ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE) \ + ? ERTS_TRACE_TS_MONOTONIC_MAX_SIZE \ + : ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE))) + +#define TFLGS_TS_TYPE(p) ERTS_TFLGS2TSTYPE(ERTS_TRACE_FLAGS((p))) + +/* + * FUTURE CHANGES: + * + * The timestamp functionality has intentionally been + * split in two parts for future use even though it + * is not used like this today. take_timestamp() takes + * the timestamp and calculate heap need for it (which + * is not constant). write_timestamp() writes the + * timestamp to the allocated heap. That is, one typically + * want to take the timestamp before allocating the heap + * and then write it to the heap. + * + * The trace output functionality now use patch_ts_size(), + * write_ts(), and patch_ts(). write_ts() both takes the + * timestamp and writes it. Since we don't know the + * heap need when allocating the heap area we need to + * over allocate (maximum size from patch_ts_size()) and + * then potentially (often) shrink the heap area after the + * timestamp has been written. The only reason it is + * currently done this way is because we do not want to + * make major changes of the trace behavior in a patch. + * This is planned to be changed in next major release. + */ + +typedef struct { + int ts_type_flag; + union { + struct { + Uint ms; + Uint s; + Uint us; + } now; + struct { + ErtsMonotonicTime time; + Sint64 raw_unique; + } monotonic; + } u; +} ErtsTraceTimeStamp; + +static ERTS_INLINE Uint +take_timestamp(ErtsTraceTimeStamp *tsp, int ts_type) +{ + int ts_type_flag = ts_type & -ts_type; /* least significant flag */ + + ASSERT(ts_type_flag == ERTS_TRACE_FLG_NOW_TIMESTAMP + || ts_type_flag == ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP + || ts_type_flag == ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP + || ts_type_flag == 0); + + tsp->ts_type_flag = ts_type_flag; + switch (ts_type_flag) { + case 0: + return (Uint) 0; + case ERTS_TRACE_FLG_NOW_TIMESTAMP: +#ifdef HAVE_ERTS_NOW_CPU + if (erts_cpu_timestamp) + erts_get_now_cpu(&tsp->u.now.ms, &tsp->u.now.s, &tsp->u.now.us); + else +#endif + get_now(&tsp->u.now.ms, &tsp->u.now.s, &tsp->u.now.us); + return (Uint) 4; + case ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP: + case ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP: { + Uint hsz = 0; + ErtsMonotonicTime mtime = erts_get_monotonic_time(NULL); + mtime = ERTS_MONOTONIC_TO_NSEC(mtime); + mtime += ERTS_MONOTONIC_OFFSET_NSEC; + hsz = (IS_SSMALL(mtime) ? + (Uint) 0 + : ERTS_SINT64_HEAP_SIZE((Sint64) mtime)); + tsp->u.monotonic.time = mtime; + if (ts_type_flag == ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP) { + Sint64 raw_unique; + hsz += 3; /* 2-tuple */ + raw_unique = erts_raw_get_unique_monotonic_integer(); + tsp->u.monotonic.raw_unique = raw_unique; + hsz += erts_raw_unique_monotonic_integer_heap_size(raw_unique); + } + return hsz; + } + default: + ERTS_INTERNAL_ERROR("invalid timestamp type"); + return 0; + } +} + +static ERTS_INLINE Eterm +write_timestamp(ErtsTraceTimeStamp *tsp, Eterm **hpp) +{ + int ts_type_flag = tsp->ts_type_flag; + Eterm res; + + switch (ts_type_flag) { + case 0: + return NIL; + case ERTS_TRACE_FLG_NOW_TIMESTAMP: + res = TUPLE3(*hpp, + make_small(tsp->u.now.ms), + make_small(tsp->u.now.s), + make_small(tsp->u.now.us)); + *hpp += 4; + return res; + case ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP: + case ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP: { + Sint64 mtime, raw; + Eterm unique, emtime; + + mtime = (Sint64) tsp->u.monotonic.time; + emtime = (IS_SSMALL(mtime) + ? make_small((Sint64) mtime) + : erts_sint64_to_big((Sint64) mtime, hpp)); + + if (ts_type_flag == ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP) + return emtime; + + raw = tsp->u.monotonic.raw_unique; + unique = erts_raw_make_unique_monotonic_integer_value(hpp, + raw); + res = TUPLE2(*hpp, emtime, unique); + *hpp += 3; + return res; + } + default: + ERTS_INTERNAL_ERROR("invalid timestamp type"); + return THE_NON_VALUE; + } +} + +#define PATCH_TS_SIZE(p) patch_ts_size(TFLGS_TS_TYPE(p)) + +static ERTS_INLINE Uint +patch_ts_size(int ts_type) +{ + int ts_type_flag = ts_type & -ts_type; /* least significant flag */ + switch (ts_type_flag) { + case 0: + return 0; + case ERTS_TRACE_FLG_NOW_TIMESTAMP: + return 1 + ERTS_TRACE_TS_NOW_MAX_SIZE; + case ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP: + return 1 + ERTS_TRACE_TS_MONOTONIC_MAX_SIZE; + case ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP: + return 1 + ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE; + default: + ERTS_INTERNAL_ERROR("invalid timestamp type"); + return 0; + } +} + +/* + * Write a timestamp. The timestamp MUST be the last + * thing built on the heap. This since write_ts() might + * adjust the size of the used area. + */ +static Eterm +write_ts(int ts_type, Eterm *hp, ErlHeapFragment *bp, Process *tracer) +{ + ErtsTraceTimeStamp ts; + Sint shrink; + Eterm res, *ts_hp = hp; + Uint hsz; + + ASSERT(ts_type); + + hsz = take_timestamp(&ts, ts_type); + + res = write_timestamp(&ts, &ts_hp); + + ASSERT(ts_hp == hp + hsz); + + switch (ts.ts_type_flag) { + case ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP: + shrink = ERTS_TRACE_TS_MONOTONIC_MAX_SIZE; + break; + case ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP: + shrink = ERTS_TRACE_TS_STRICT_MONOTONIC_MAX_SIZE; + break; + default: + return res; + } + + shrink -= hsz; + + ASSERT(shrink >= 0); + + if (shrink) { + if (bp) + bp->used_size -= shrink; +#ifndef ERTS_SMP + else if (tracer) { + Eterm *endp = ts_hp + shrink; + HRelease(tracer, endp, ts_hp); + } +#endif + } + + return res; +} + +/* + * Patch a timestamp into a tuple. The tuple MUST be the last thing + * built on the heap before the call, and the timestamp MUST be + * the last thing after the call. This since patch_ts() might adjust + * the size of the used area. + */ + +#define PATCH_TS__(Type, Tuple, Hp, Bp, Tracer) \ + do { \ + int ts_type__ = (Type); \ + if (ts_type__) \ + patch_ts(ts_type__, (Tuple), (Hp), (Bp), (Tracer)); \ + } while (0) + +#ifdef ERTS_SMP +#define PATCH_TS(Type, Tuple, Hp, Bp, Tracer) \ + PATCH_TS__((Type), (Tuple), (Hp), (Bp), NULL) +#else +#define PATCH_TS(Type, Tuple, Hp, Bp, Tracer) \ + PATCH_TS__((Type), (Tuple), (Hp), (Bp), (Tracer)) +#endif + +static ERTS_INLINE void +patch_ts(int ts_type, Eterm tuple, Eterm* hp, ErlHeapFragment *bp, Process *tracer) +{ + Eterm *tptr = tuple_val(tuple); + int arity = arityval(*tptr); + + ASSERT(ts_type); + ASSERT((tptr+arity+1) == hp); + + tptr[0] = make_arityval(arity+1); + tptr[1] = am_trace_ts; + + *hp = write_ts(ts_type, hp+1, bp, tracer); +} + #ifdef ERTS_SMP static void enqueue_sys_msg_unlocked(enum ErtsSysMsgType type, Eterm from, @@ -364,23 +623,6 @@ erts_get_system_profile(void) { return profile; } - -#ifdef HAVE_ERTS_NOW_CPU -# define GET_NOW(m, s, u) \ -do { \ - if (erts_cpu_timestamp) \ - erts_get_now_cpu(m, s, u); \ - else \ - get_now(m, s, u); \ -} while (0) -#else -# define GET_NOW(m, s, u) do {get_now(m, s, u);} while (0) -#endif - - - -static Eterm* patch_ts(Eterm tuple4, Eterm* hp); - #ifdef ERTS_SMP static void do_send_to_port(Eterm to, @@ -435,11 +677,11 @@ WRITE_SYS_MSG_TO_PORT(Eterm unused_to, /* Send {trace_ts, Pid, out, 0, Timestamp} * followed by {trace_ts, Pid, in, 0, NewTimestamp} * - * 'NewTimestamp' is fetched from GET_NOW() through patch_ts(). + * 'NewTimestamp' through patch_ts(). */ static void -do_send_schedfix_to_port(Port *trace_port, Eterm pid, Eterm timestamp) { -#define LOCAL_HEAP_SIZE (4+5+5) +do_send_schedfix_to_port(Port *trace_port, Eterm pid, Eterm timestamp, int ts_type) { +#define LOCAL_HEAP_SIZE (5+5+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); Eterm message; Eterm *hp; @@ -461,9 +703,11 @@ do_send_schedfix_to_port(Port *trace_port, Eterm pid, Eterm timestamp) { SYS_MSG_TYPE_UNDEFINED, message); - message = TUPLE4(hp, am_trace_ts, pid, am_in, mfarity); - hp += 5; - hp = patch_ts(message, hp); + + message = TUPLE5(hp, am_trace_ts, pid, am_in, mfarity, + NIL /* Will be overwritten by timestamp */); + hp += 6; + hp[-1] = write_ts(ts_type, hp, NULL, NULL); do_send_to_port(trace_port->common.id, trace_port, @@ -480,7 +724,7 @@ do_send_schedfix_to_port(Port *trace_port, Eterm pid, Eterm timestamp) { * It is assumed that 'message' is not an 'out' message. * * 'c_p' is the currently executing process, "tracee" is the traced process - * which 'message' concerns => if (*tracee_flags & F_TIMESTAMP), + * which 'message' concerns => if (*tracee_flags & F_TIMESTAMP_MASK), * 'message' must contain a timestamp. */ static void @@ -488,8 +732,9 @@ send_to_port(Process *c_p, Eterm message, Eterm *tracer_pid, Uint *tracee_flags) { Port* trace_port; #ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (4) - Eterm ts, *hp; + int ts_type; +#define LOCAL_HEAP_SIZE ERTS_TRACE_PATCH_TS_MAX_SIZE + Eterm ts; DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); #endif @@ -518,7 +763,7 @@ send_to_port(Process *c_p, Eterm message, */ if ( c_p == NULL || - (! IS_TRACED_FL(c_p, F_TRACE_SCHED | F_TIMESTAMP))) { + (! IS_TRACED_FL(c_p, F_TRACE_SCHED | F_TIMESTAMP_MASK))) { #endif do_send_to_port(*tracer_pid, trace_port, @@ -537,22 +782,12 @@ send_to_port(Process *c_p, Eterm message, */ UseTmpHeapNoproc(LOCAL_HEAP_SIZE); - if (*tracee_flags & F_TIMESTAMP) { - ASSERT(is_tuple(message)); - hp = tuple_val(message); - ts = hp[arityval(hp[0])]; - } else { - /* A fake schedule might be needed, - * but this message does not contain a timestamp. - * Create a dummy trace message with timestamp to be - * passed to do_send_schedfix_to_port(). - */ - Uint ms,s,us; - GET_NOW(&ms, &s, &us); - hp = local_heap; - ts = TUPLE3(hp, make_small(ms), make_small(s), make_small(us)); - hp += 4; - } + /* A fake schedule might be needed. + * Create a dummy trace message with timestamp to be + * passed to do_send_schedfix_to_port(). + */ + ts_type = TFLGS_TS_TYPE(c_p); + ts = write_ts(ts_type, local_heap, NULL, NULL); trace_port->control_flags &= ~PORT_CONTROL_FLAG_HEAVY; do_send_to_port(*tracer_pid, @@ -571,7 +806,7 @@ send_to_port(Process *c_p, Eterm message, * just after writning the real trace message, and now gets scheduled * in again. */ - do_send_schedfix_to_port(trace_port, c_p->common.id, ts); + do_send_schedfix_to_port(trace_port, c_p->common.id, ts, ts_type); } erts_port_release(trace_port); @@ -642,20 +877,19 @@ profile_send(Eterm from, Eterm message) { /* A fake schedule out/in message pair will be sent, * if the driver so requests. - * If (timestamp == NIL), one is fetched from GET_NOW(). * * 'c_p' is the currently executing process, may be NULL. */ static void seq_trace_send_to_port(Process *c_p, Eterm seq_tracer, - Eterm message, - Eterm timestamp) + Eterm message) { Port* trace_port; #ifndef ERTS_SMP - Eterm ts, *hp; -#define LOCAL_HEAP_SIZE (4) + int ts_type; + Eterm ts; +#define LOCAL_HEAP_SIZE ERTS_TRACE_PATCH_TS_MAX_SIZE DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); #endif @@ -680,7 +914,7 @@ seq_trace_send_to_port(Process *c_p, } if (c_p == NULL - || (! IS_TRACED_FL(c_p, F_TRACE_SCHED | F_TIMESTAMP))) { + || (! IS_TRACED_FL(c_p, F_TRACE_SCHED | F_TIMESTAMP_MASK))) { #endif do_send_to_port(seq_tracer, trace_port, @@ -697,20 +931,12 @@ seq_trace_send_to_port(Process *c_p, * with 'running' and 'timestamp'. */ - if (timestamp != NIL) { - ts = timestamp; - } else { - /* A fake schedule might be needed, - * but this message does not contain a timestamp. - * Create a dummy trace message with timestamp to be - * passed to do_send_schedfix_to_port(). - */ - Uint ms,s,us; - GET_NOW(&ms, &s, &us); - hp = local_heap; - ts = TUPLE3(hp, make_small(ms), make_small(s), make_small(us)); - hp += 4; - } + /* A fake schedule might be needed. + * Create a dummy trace message with timestamp to be + * passed to do_send_schedfix_to_port(). + */ + ts_type = TFLGS_TS_TYPE(c_p); + ts = write_ts(ts_type, local_heap, NULL, NULL); trace_port->control_flags &= ~PORT_CONTROL_FLAG_HEAVY; do_send_to_port(seq_tracer, @@ -729,7 +955,7 @@ seq_trace_send_to_port(Process *c_p, * just after writing the real trace message, and now gets scheduled * in again. */ - do_send_schedfix_to_port(trace_port, c_p->common.id, ts); + do_send_schedfix_to_port(trace_port, c_p->common.id, ts, ts_type); } erts_port_release(trace_port); @@ -739,32 +965,6 @@ seq_trace_send_to_port(Process *c_p, #endif } -#define TS_HEAP_WORDS 5 -#define TS_SIZE(p) ((ERTS_TRACE_FLAGS((p)) & F_TIMESTAMP) \ - ? TS_HEAP_WORDS \ - : 0) - -/* - * Patch a timestamp into a tuple. The tuple must be the last thing - * built on the heap. - * - * Returns the new hp pointer. -*/ -static Eterm* -patch_ts(Eterm tuple, Eterm* hp) -{ - Uint ms, s, us; - Eterm* ptr = tuple_val(tuple); - int arity = arityval(*ptr); - - ASSERT((ptr+arity+1) == hp); - ptr[0] = make_arityval(arity+1); - ptr[1] = am_trace_ts; - GET_NOW(&ms, &s, &us); - *hp = TUPLE3(hp+1, make_small(ms), make_small(s), make_small(us)); - return hp+5; -} - static ERTS_INLINE void send_to_tracer(Process *tracee, ERTS_TRACER_REF_TYPE tracer_ref, @@ -777,13 +977,13 @@ send_to_tracer(Process *tracee, erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(tracee) & F_TIMESTAMP) - *hpp = patch_ts(msg, *hpp); - - if (is_internal_pid(ERTS_TRACER_PROC(tracee))) + if (is_internal_pid(ERTS_TRACER_PROC(tracee))) { + PATCH_TS(TFLGS_TS_TYPE(tracee), msg, *hpp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(tracee->common.id, tracer_ref, msg, bp); + } else { ASSERT(is_internal_port(ERTS_TRACER_PROC(tracee))); + PATCH_TS(TFLGS_TS_TYPE(tracee), msg, *hpp, NULL, NULL); send_to_port(no_fake_sched ? NULL : tracee, msg, &ERTS_TRACER_PROC(tracee), @@ -797,7 +997,7 @@ send_to_tracer(Process *tracee, static void trace_sched_aux(Process *p, Eterm what, int never_fake_sched) { -#define LOCAL_HEAP_SIZE (5+4+1+TS_HEAP_WORDS) +#define LOCAL_HEAP_SIZE (5+4+1+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeap(local_heap,LOCAL_HEAP_SIZE,p); Eterm tmp, mess, *hp; ErlHeapFragment *bp = NULL; @@ -853,7 +1053,7 @@ trace_sched_aux(Process *p, Eterm what, int never_fake_sched) size += 4; if (sched_no) size += 1; - size += TS_SIZE(p); + size += PATCH_TS_SIZE(p); hp = ERTS_ALLOC_SYSMSG_HEAP(size, &bp, &off_heap, tracer_ref); } @@ -927,7 +1127,7 @@ trace_send(Process *p, Eterm to, Eterm msg) } if (is_internal_port(ERTS_TRACER_PROC(p))) { -#define LOCAL_HEAP_SIZE (11) +#define LOCAL_HEAP_SIZE (6 + ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -935,9 +1135,7 @@ trace_send(Process *p, Eterm to, Eterm msg) mess = TUPLE5(hp, am_trace, p->common.id, operation, msg, to); hp += 6; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, NULL, NULL); send_to_port(p, mess, &ERTS_TRACER_PROC(p), &ERTS_TRACE_FLAGS(p)); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -956,7 +1154,7 @@ trace_send(Process *p, Eterm to, Eterm msg) sz_msg = size_object(msg); sz_to = size_object(to); - need = sz_msg + sz_to + 6 + TS_SIZE(p); + need = sz_msg + sz_to + 6 + PATCH_TS_SIZE(p); hp = ERTS_ALLOC_SYSMSG_HEAP(need, &bp, &off_heap, tracer_ref); @@ -973,10 +1171,7 @@ trace_send(Process *p, Eterm to, Eterm msg) erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - patch_ts(mess, hp); - } - + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(p->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); } @@ -993,7 +1188,7 @@ trace_receive(Process *rp, Eterm msg) Eterm* hp; if (is_internal_port(ERTS_TRACER_PROC(rp))) { -#define LOCAL_HEAP_SIZE (10) +#define LOCAL_HEAP_SIZE (5+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -1001,9 +1196,7 @@ trace_receive(Process *rp, Eterm msg) mess = TUPLE4(hp, am_trace, rp->common.id, am_receive, msg); hp += 5; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(rp) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(rp), mess, hp, NULL, NULL); send_to_port(rp, mess, &ERTS_TRACER_PROC(rp), &ERTS_TRACE_FLAGS(rp)); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -1022,7 +1215,7 @@ trace_receive(Process *rp, Eterm msg) sz_msg = size_object(msg); - hsz = sz_msg + 5 + TS_SIZE(rp); + hsz = sz_msg + 5 + PATCH_TS_SIZE(rp); hp = ERTS_ALLOC_SYSMSG_HEAP(hsz, &bp, &off_heap, tracer_ref); @@ -1032,10 +1225,7 @@ trace_receive(Process *rp, Eterm msg) erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(rp) & F_TIMESTAMP) { - patch_ts(mess, hp); - } - + PATCH_TS(TFLGS_TS_TYPE(rp), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(rp->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); } @@ -1081,6 +1271,7 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, Eterm type_atom; int sz_exit; Eterm seq_tracer; + int ts_type; seq_tracer = erts_get_system_seq_tracer(); @@ -1108,8 +1299,10 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, return; /* no need to send anything */ } + ts_type = ERTS_SEQTFLGS2TSTYPE(unsigned_val(SEQ_TRACE_T_FLAGS(token))); + if (is_internal_port(seq_tracer)) { -#define LOCAL_HEAP_SIZE (64) +#define LOCAL_HEAP_SIZE (60 + ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -1125,17 +1318,17 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, mess = TUPLE5(hp, type_atom, lastcnt_serial, SEQ_TRACE_T_SENDER(token), receiver, msg); hp += 6; + erts_smp_mtx_lock(&smq_mtx); - if ((unsigned_val(SEQ_TRACE_T_FLAGS(token)) & SEQ_TRACE_TIMESTAMP) == 0) { + if (!ts_type) { mess = TUPLE3(hp, am_seq_trace, label, mess); - seq_trace_send_to_port(NULL, seq_tracer, mess, NIL); + seq_trace_send_to_port(NULL, seq_tracer, mess); } else { - Uint ms,s,us,ts; - GET_NOW(&ms, &s, &us); - ts = TUPLE3(hp, make_small(ms),make_small(s), make_small(us)); - hp += 4; - mess = TUPLE4(hp, am_seq_trace, label, mess, ts); - seq_trace_send_to_port(process, seq_tracer, mess, ts); + mess = TUPLE4(hp, am_seq_trace, label, mess, + NIL /* Will be overwritten by timestamp */); + hp += 5; + hp[-1] = write_ts(ts_type, hp, NULL, NULL); + seq_trace_send_to_port(process, seq_tracer, mess); } UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -1170,8 +1363,7 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, sz_lastcnt_serial = 3; /* TUPLE2 */ sz_msg = size_object(msg); - sz_ts = ((unsigned_val(SEQ_TRACE_T_FLAGS(token)) & SEQ_TRACE_TIMESTAMP) ? - 5 : 0); + sz_ts = patch_ts_size(ts_type); if (exitfrom != NIL) { sz_exit = 4; /* create {'EXIT',exitfrom,msg} */ sz_exitfrom = size_object(exitfrom); @@ -1215,14 +1407,20 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, erts_smp_mtx_lock(&smq_mtx); - if (sz_ts) {/* timestamp should be included */ - Uint ms,s,us,ts; - GET_NOW(&ms, &s, &us); - ts = TUPLE3(hp, make_small(ms),make_small(s), make_small(us)); - hp += 4; - mess = TUPLE4(hp, am_seq_trace, label, mess, ts); - } else { + if (!ts_type) mess = TUPLE3(hp, am_seq_trace, label, mess); + else { + mess = TUPLE4(hp, am_seq_trace, label, mess, + NIL /* Will be overwritten by timestamp */); + hp += 5; + /* Write timestamp in element 6 of the 'msg' tuple */ + hp[-1] = write_ts(ts_type, hp, bp, +#ifndef ERTS_SMP + tracer +#else + NULL +#endif + ); } #ifdef ERTS_SMP @@ -1245,7 +1443,7 @@ seq_trace_output_generic(Eterm token, Eterm msg, Uint type, void erts_trace_return_to(Process *p, BeamInstr *pc) { -#define LOCAL_HEAP_SIZE (4+5+5) +#define LOCAL_HEAP_SIZE (4+5+ERTS_TRACE_PATCH_TS_MAX_SIZE) Eterm* hp; Eterm mfa; Eterm mess; @@ -1270,9 +1468,7 @@ erts_trace_return_to(Process *p, BeamInstr *pc) erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, NULL, NULL); if (is_internal_port(ERTS_TRACER_PROC(p))) { send_to_port(p, mess, &ERTS_TRACER_PROC(p), &ERTS_TRACE_FLAGS(p)); @@ -1319,6 +1515,7 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid) Eterm mod, name; int arity; Uint meta_flags, *tracee_flags; + int ts_type; #ifdef ERTS_SMP Eterm tracee; #endif @@ -1354,7 +1551,7 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid) * meta trace => * use fixed flag set instead of process flags */ - meta_flags = F_TRACE_CALLS | F_TIMESTAMP; + meta_flags = F_TRACE_CALLS | F_NOW_TS; tracee_flags = &meta_flags; #ifdef ERTS_SMP tracee = NIL; @@ -1368,8 +1565,10 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid) name = fi[1]; arity = fi[2]; + ts_type = ERTS_TFLGS2TSTYPE(*tracee_flags); + if (is_internal_port(*tracer_pid)) { -#define LOCAL_HEAP_SIZE (4+6+5) +#define LOCAL_HEAP_SIZE (4+6+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); hp = local_heap; @@ -1378,9 +1577,7 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid) mess = TUPLE5(hp, am_trace, p->common.id, am_return_from, mfa, retval); hp += 6; erts_smp_mtx_lock(&smq_mtx); - if (*tracee_flags & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(ts_type, mess, hp, NULL, NULL); send_to_port(p, mess, tracer_pid, tracee_flags); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -1391,24 +1588,15 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid) ERTS_TRACER_REF_TYPE tracer_ref; unsigned size; unsigned retval_size; -#ifdef DEBUG - Eterm* limit; -#endif ASSERT(is_internal_pid(*tracer_pid)); ERTS_GET_TRACER_REF(tracer_ref, *tracer_pid, *tracee_flags); - + retval_size = size_object(retval); - size = 6 + 4 + retval_size; - if (*tracee_flags & F_TIMESTAMP) { - size += 1+4; - } + size = 6 + 4 + retval_size + patch_ts_size(ts_type); hp = ERTS_ALLOC_SYSMSG_HEAP(size, &bp, &off_heap, tracer_ref); -#ifdef DEBUG - limit = hp + size; -#endif /* * Build the trace tuple and put it into receive queue of the tracer process. @@ -1422,11 +1610,7 @@ erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid) erts_smp_mtx_lock(&smq_mtx); - if (*tracee_flags & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } - - ASSERT(hp == limit); + PATCH_TS(ts_type, mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(tracee, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); @@ -1449,6 +1633,7 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, Eterm cv; Eterm mess; Uint meta_flags, *tracee_flags; + int ts_type; #ifdef ERTS_SMP Eterm tracee; #endif @@ -1487,15 +1672,17 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, * meta trace => * use fixed flag set instead of process flags */ - meta_flags = F_TRACE_CALLS | F_TIMESTAMP; + meta_flags = F_TRACE_CALLS | F_NOW_TS; tracee_flags = &meta_flags; #ifdef ERTS_SMP tracee = NIL; #endif } + ts_type = ERTS_TFLGS2TSTYPE(*tracee_flags); + if (is_internal_port(*tracer_pid)) { -#define LOCAL_HEAP_SIZE (4+3+6+5) +#define LOCAL_HEAP_SIZE (4+3+6+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -1508,10 +1695,7 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, hp += 6; ASSERT((hp - local_heap) <= LOCAL_HEAP_SIZE); erts_smp_mtx_lock(&smq_mtx); - if (*tracee_flags & F_TIMESTAMP) { - hp = patch_ts(mess, hp); /* hp += 5 */ - ASSERT((hp - local_heap) == LOCAL_HEAP_SIZE); - } + PATCH_TS(ts_type, mess, hp, NULL, NULL); send_to_port(p, mess, tracer_pid, tracee_flags); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -1522,24 +1706,15 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, ERTS_TRACER_REF_TYPE tracer_ref; unsigned size; unsigned value_size; -#ifdef DEBUG - Eterm* limit; -#endif ASSERT(is_internal_pid(*tracer_pid)); ERTS_GET_TRACER_REF(tracer_ref, *tracer_pid, *tracee_flags); value_size = size_object(value); - size = 6 + 4 + 3 + value_size; - if (*tracee_flags & F_TIMESTAMP) { - size += 1+4; - } + size = 6 + 4 + 3 + value_size + patch_ts_size(ts_type); hp = ERTS_ALLOC_SYSMSG_HEAP(size, &bp, &off_heap, tracer_ref); -#ifdef DEBUG - limit = hp + size; -#endif /* * Build the trace tuple and put it into receive queue of the tracer process. @@ -1556,11 +1731,7 @@ erts_trace_exception(Process* p, BeamInstr mfa[3], Eterm class, Eterm value, erts_smp_mtx_lock(&smq_mtx); - if (*tracee_flags & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } - - ASSERT(hp == limit); + PATCH_TS(ts_type, mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(tracee, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); @@ -1593,6 +1764,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, Eterm pam_result = am_true; Eterm mess; Uint meta_flags, *tracee_flags; + int ts_type; #ifdef ERTS_SMP Eterm tracee; #endif @@ -1634,7 +1806,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, /* No trace messages for sensitive processes. */ return 0; } - meta_flags = F_TRACE_CALLS | F_TIMESTAMP; + meta_flags = F_TRACE_CALLS | F_NOW_TS; tracee_flags = &meta_flags; #ifdef ERTS_SMP tracee = NIL; @@ -1677,8 +1849,10 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, } args = transformed_args; + ts_type = ERTS_TFLGS2TSTYPE(*tracee_flags); + if (is_internal_port(*tracer_pid)) { - Eterm local_heap[64+MAX_ARG]; + Eterm local_heap[64+ERTS_TRACE_PATCH_TS_MAX_SIZE+MAX_ARG]; hp = local_heap; if (!erts_is_valid_tracer_port(*tracer_pid)) { @@ -1777,9 +1951,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, *hp++ = pam_result; } erts_smp_mtx_lock(&smq_mtx); - if (*tracee_flags & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(ts_type, mess, hp, NULL, NULL); send_to_port(p, mess, tracer_pid, tracee_flags); erts_smp_mtx_unlock(&smq_mtx); erts_match_set_release_result(p); @@ -1798,9 +1970,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, unsigned sizes[MAX_ARG]; unsigned pam_result_size = 0; int invalid_tracer; -#ifdef DEBUG - Eterm* limit; -#endif + ASSERT(is_internal_pid(*tracer_pid)); tracer = erts_pid2proc(p, ERTS_PROC_LOCK_MAIN, @@ -1892,10 +2062,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, size += sizes[i]; } } - if (*tracee_flags & F_TIMESTAMP) { - size += 1 + 4; - /* One element in trace tuple + timestamp tuple. */ - } + size += patch_ts_size(ts_type); if (pam_result != am_true) { pam_result_size = size_object(pam_result); size += 1 + pam_result_size; @@ -1903,9 +2070,6 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, } hp = ERTS_ALLOC_SYSMSG_HEAP(size, &bp, &off_heap, tracer_ref); -#ifdef DEBUG - limit = hp + size; -#endif /* * Build the the {M,F,A} tuple in the message buffer. @@ -1948,11 +2112,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, erts_smp_mtx_lock(&smq_mtx); - if (*tracee_flags & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } - - ASSERT(hp == limit); + PATCH_TS(ts_type, mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(tracee, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); @@ -1987,9 +2147,7 @@ trace_proc(Process *c_p, Process *t_p, Eterm what, Eterm data) mess = TUPLE4(hp, am_trace, t_p->common.id, what, data); hp += 5; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(t_p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(t_p), mess, hp, NULL, NULL); send_to_port( #ifndef ERTS_SMP /* No fake schedule out and in again after an exit */ @@ -2019,7 +2177,7 @@ trace_proc(Process *c_p, Process *t_p, Eterm what, Eterm data) sz_data = size_object(data); - need = sz_data + 5 + TS_SIZE(t_p); + need = sz_data + 5 + PATCH_TS_SIZE(t_p); hp = ERTS_ALLOC_SYSMSG_HEAP(need, &bp, &off_heap, tracer_ref); @@ -2029,9 +2187,7 @@ trace_proc(Process *c_p, Process *t_p, Eterm what, Eterm data) erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(t_p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(t_p), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(t_p->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); @@ -2065,9 +2221,7 @@ trace_proc_spawn(Process *p, Eterm pid, mess = TUPLE5(hp, am_trace, p->common.id, am_spawn, pid, mfa); hp += 6; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, NULL, NULL); send_to_port(p, mess, &ERTS_TRACER_PROC(p), &ERTS_TRACE_FLAGS(p)); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); #undef LOCAL_HEAP_SIZE @@ -2088,7 +2242,7 @@ trace_proc_spawn(Process *p, Eterm pid, sz_args = size_object(args); sz_pid = size_object(pid); - need = sz_args + 4 + 6 + TS_SIZE(p); + need = sz_args + 4 + 6 + PATCH_TS_SIZE(p); hp = ERTS_ALLOC_SYSMSG_HEAP(need, &bp, &off_heap, tracer_ref); @@ -2101,9 +2255,7 @@ trace_proc_spawn(Process *p, Eterm pid, erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(p->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); @@ -2152,11 +2304,8 @@ trace_gc(Process *p, Eterm what) #define LOCAL_HEAP_SIZE \ (ERTS_PROCESS_GC_INFO_MAX_SIZE) + \ - 5/*4-tuple */ + TS_HEAP_WORDS + 5/*4-tuple */ + ERTS_TRACE_PATCH_TS_MAX_SIZE DeclareTmpHeap(local_heap,LOCAL_HEAP_SIZE,p); -#ifdef DEBUG - Eterm* limit; -#endif UseTmpHeap(LOCAL_HEAP_SIZE,p); @@ -2166,7 +2315,7 @@ trace_gc(Process *p, Eterm what) size = 0; (void) erts_process_gc_info(p, &size, NULL); - size += 5/*4-tuple*/ + TS_SIZE(p); + size += 5/*4-tuple*/ + PATCH_TS_SIZE(p); #endif } else { ASSERT(is_internal_pid(ERTS_TRACER_PROC(p))); @@ -2178,15 +2327,12 @@ trace_gc(Process *p, Eterm what) size = 0; (void) erts_process_gc_info(p, &size, NULL); - size += 5/*4-tuple*/ + TS_SIZE(p); + size += 5/*4-tuple*/ + PATCH_TS_SIZE(p); hp = ERTS_ALLOC_SYSMSG_HEAP(size, &bp, &off_heap, tracer_ref); } -#ifdef DEBUG - limit = hp + size; ASSERT(size <= LOCAL_HEAP_SIZE); -#endif msg = erts_process_gc_info(p, NULL, &hp); @@ -2195,14 +2341,14 @@ trace_gc(Process *p, Eterm what) erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(msg, hp); - } - ASSERT(hp == limit); - if (is_internal_port(ERTS_TRACER_PROC(p))) + if (is_internal_port(ERTS_TRACER_PROC(p))) { + PATCH_TS(TFLGS_TS_TYPE(p), msg, hp, NULL, NULL); send_to_port(p, msg, &ERTS_TRACER_PROC(p), &ERTS_TRACE_FLAGS(p)); - else + } + else { + PATCH_TS(TFLGS_TS_TYPE(p), msg, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(p->common.id, tracer_ref, msg, bp); + } erts_smp_mtx_unlock(&smq_mtx); UnUseTmpHeap(LOCAL_HEAP_SIZE,p); #undef LOCAL_HEAP_SIZE @@ -2526,19 +2672,18 @@ monitor_generic(Process *p, Eterm type, Eterm spec) { void profile_scheduler(Eterm scheduler_id, Eterm state) { - Eterm *hp, msg, timestamp; - Uint Ms, s, us; + Eterm *hp, msg; + ErlHeapFragment *bp = NULL; #ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (4 + 7) +#define LOCAL_HEAP_SIZE (7 + ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); hp = local_heap; #else - ErlHeapFragment *bp; Uint hsz; - hsz = 4 + 7; + hsz = 7 + patch_ts_size(erts_system_profile_ts_type)-1; bp = new_message_buffer(hsz); hp = bp->mem; @@ -2558,10 +2703,13 @@ profile_scheduler(Eterm scheduler_id, Eterm state) { break; } - GET_NOW(&Ms, &s, &us); - timestamp = TUPLE3(hp, make_small(Ms), make_small(s), make_small(us)); hp += 4; - msg = TUPLE6(hp, am_profile, am_scheduler, scheduler_id, state, - make_small(active_sched), timestamp); hp += 7; + msg = TUPLE6(hp, am_profile, am_scheduler, scheduler_id, + state, make_small(active_sched), + NIL /* Will be overwritten by timestamp */); + hp += 7; + + /* Write timestamp in element 6 of the 'msg' tuple */ + hp[-1] = write_ts(erts_system_profile_ts_type, hp, bp, NULL); #ifndef ERTS_SMP profile_send(NIL, msg); @@ -2632,7 +2780,7 @@ trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) { Eterm* hp; if (is_internal_port(ERTS_TRACER_PROC(p))) { -#define LOCAL_HEAP_SIZE (5+6) +#define LOCAL_HEAP_SIZE (6+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -2641,9 +2789,7 @@ trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) { mess = TUPLE5(hp, am_trace, calling_pid, am_open, p->common.id, drv_name); hp += 6; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, NULL, NULL); /* No fake schedule */ send_to_port(NULL, mess, &ERTS_TRACER_PROC(p), &ERTS_TRACE_FLAGS(p)); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -2657,7 +2803,7 @@ trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) { ASSERT(is_internal_pid(ERTS_TRACER_PROC(p))); - sz_data = 6 + TS_SIZE(p); + sz_data = 6 + PATCH_TS_SIZE(p); ERTS_GET_TRACER_REF(tracer_ref, ERTS_TRACER_PROC(p), @@ -2670,9 +2816,7 @@ trace_port_open(Port *p, Eterm calling_pid, Eterm drv_name) { erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(p->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); @@ -2696,7 +2840,7 @@ trace_port(Port *t_p, Eterm what, Eterm data) { || erts_thr_progress_is_blocking()); if (is_internal_port(ERTS_TRACER_PROC(t_p))) { -#define LOCAL_HEAP_SIZE (5+5) +#define LOCAL_HEAP_SIZE (5+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -2704,9 +2848,7 @@ trace_port(Port *t_p, Eterm what, Eterm data) { mess = TUPLE4(hp, am_trace, t_p->common.id, what, data); hp += 5; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(t_p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(t_p), mess, hp, NULL, NULL); /* No fake schedule */ send_to_port(NULL,mess,&ERTS_TRACER_PROC(t_p),&ERTS_TRACE_FLAGS(t_p)); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -2720,7 +2862,7 @@ trace_port(Port *t_p, Eterm what, Eterm data) { ASSERT(is_internal_pid(ERTS_TRACER_PROC(t_p))); - sz_data = 5 + TS_SIZE(t_p); + sz_data = 5 + PATCH_TS_SIZE(t_p); ERTS_GET_TRACER_REF(tracer_ref, ERTS_TRACER_PROC(t_p), @@ -2733,9 +2875,7 @@ trace_port(Port *t_p, Eterm what, Eterm data) { erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(t_p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + PATCH_TS(TFLGS_TS_TYPE(t_p), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(t_p->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); @@ -2763,7 +2903,7 @@ trace_sched_ports_where(Port *p, Eterm what, Eterm where) { Eterm sched_id = am_undefined; if (is_internal_port(ERTS_TRACER_PROC(p))) { -#define LOCAL_HEAP_SIZE (5+6) +#define LOCAL_HEAP_SIZE (6+ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -2786,9 +2926,8 @@ trace_sched_ports_where(Port *p, Eterm what, Eterm where) { hp += ws; erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } + + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, NULL, NULL); /* No fake scheduling */ send_to_port(NULL, mess, &ERTS_TRACER_PROC(p), &ERTS_TRACE_FLAGS(p)); @@ -2808,7 +2947,7 @@ trace_sched_ports_where(Port *p, Eterm what, Eterm where) { ERTS_TRACER_PROC(p), ERTS_TRACE_FLAGS(p)); - hp = ERTS_ALLOC_SYSMSG_HEAP(ws+TS_SIZE(p), &bp, &off_heap, tracer_ref); + hp = ERTS_ALLOC_SYSMSG_HEAP(ws+PATCH_TS_SIZE(p), &bp, &off_heap, tracer_ref); if (IS_TRACED_FL(p, F_TRACE_SCHED_NO)) { #ifdef ERTS_SMP @@ -2826,10 +2965,7 @@ trace_sched_ports_where(Port *p, Eterm what, Eterm where) { erts_smp_mtx_lock(&smq_mtx); - if (ERTS_TRACE_FLAGS(p) & F_TIMESTAMP) { - hp = patch_ts(mess, hp); - } - + PATCH_TS(TFLGS_TS_TYPE(p), mess, hp, bp, tracer_ref); ERTS_ENQ_TRACE_MSG(p->common.id, tracer_ref, mess, bp); erts_smp_mtx_unlock(&smq_mtx); } @@ -2839,13 +2975,12 @@ trace_sched_ports_where(Port *p, Eterm what, Eterm where) { void profile_runnable_port(Port *p, Eterm status) { - Uint Ms, s, us; - Eterm *hp, msg, timestamp; - + Eterm *hp, msg; + ErlHeapFragment *bp = NULL; Eterm count = make_small(0); #ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (4 + 6) +#define LOCAL_HEAP_SIZE (6 + ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); @@ -2853,10 +2988,9 @@ profile_runnable_port(Port *p, Eterm status) { hp = local_heap; #else - ErlHeapFragment *bp; Uint hsz; - hsz = 4 + 6; + hsz = 6 + patch_ts_size(erts_system_profile_ts_type)-1; bp = new_message_buffer(hsz); hp = bp->mem; @@ -2864,9 +2998,12 @@ profile_runnable_port(Port *p, Eterm status) { erts_smp_mtx_lock(&smq_mtx); - GET_NOW(&Ms, &s, &us); - timestamp = TUPLE3(hp, make_small(Ms), make_small(s), make_small(us)); hp += 4; - msg = TUPLE5(hp, am_profile, p->common.id, status, count, timestamp); hp += 6; + msg = TUPLE5(hp, am_profile, p->common.id, status, count, + NIL /* Will be overwritten by timestamp */); + hp += 6; + + /* Write timestamp in element 5 of the 'msg' tuple */ + hp[-1] = write_ts(erts_system_profile_ts_type, hp, bp, NULL); #ifndef ERTS_SMP profile_send(p->common.id, msg); @@ -2881,20 +3018,19 @@ profile_runnable_port(Port *p, Eterm status) { /* Process profiling */ void profile_runnable_proc(Process *p, Eterm status){ - Uint Ms, s, us; - Eterm *hp, msg, timestamp; + Eterm *hp, msg; Eterm where = am_undefined; + ErlHeapFragment *bp = NULL; #ifndef ERTS_SMP -#define LOCAL_HEAP_SIZE (4 + 6 + 4) +#define LOCAL_HEAP_SIZE (4 + 6 + ERTS_TRACE_PATCH_TS_MAX_SIZE) DeclareTmpHeapNoproc(local_heap,LOCAL_HEAP_SIZE); UseTmpHeapNoproc(LOCAL_HEAP_SIZE); hp = local_heap; #else - ErlHeapFragment *bp; - Uint hsz = 4 + 6 + 4; + Uint hsz = 4 + 6 + patch_ts_size(erts_system_profile_ts_type)-1; #endif if (!p->current) { @@ -2903,7 +3039,7 @@ profile_runnable_proc(Process *p, Eterm status){ #ifdef ERTS_SMP if (!p->current) { - hsz = 4 + 6; + hsz -= 4; } bp = new_message_buffer(hsz); @@ -2918,9 +3054,13 @@ profile_runnable_proc(Process *p, Eterm status){ erts_smp_mtx_lock(&smq_mtx); - GET_NOW(&Ms, &s, &us); - timestamp = TUPLE3(hp, make_small(Ms), make_small(s), make_small(us)); hp += 4; - msg = TUPLE5(hp, am_profile, p->common.id, status, where, timestamp); hp += 6; + msg = TUPLE5(hp, am_profile, p->common.id, status, where, + NIL /* Will be overwritten by timestamp */); + hp += 6; + + /* Write timestamp in element 5 of the 'msg' tuple */ + hp[-1] = write_ts(erts_system_profile_ts_type, hp, bp, NULL); + #ifndef ERTS_SMP profile_send(p->common.id, msg); UnUseTmpHeapNoproc(LOCAL_HEAP_SIZE); diff --git a/erts/emulator/beam/erl_trace.h b/erts/emulator/beam/erl_trace.h index 7405490f76..a0058264d7 100644 --- a/erts/emulator/beam/erl_trace.h +++ b/erts/emulator/beam/erl_trace.h @@ -18,8 +18,38 @@ * %CopyrightEnd% */ +#ifndef ERL_TRACE_H__FLAGS__ +#define ERL_TRACE_H__FLAGS__ +/* + * NOTE! The bits used for these flags matter. The flag with + * the least significant bit will take precedence! + * + * The "now timestamp" has highest precedence due to + * compatibility reasons. + */ +#define ERTS_TRACE_FLG_NOW_TIMESTAMP (1 << 0) +#define ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP (1 << 1) +#define ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP (1 << 2) + +/* + * The bits used effects trace flags (of processes and ports) + * as well as sequential trace flags. If changed make sure + * these arn't messed up... + */ +#define ERTS_TRACE_TS_TYPE_BITS 3 +#define ERTS_TRACE_TS_TYPE_MASK \ + ((1 << ERTS_TRACE_TS_TYPE_BITS) - 1) + +#define ERTS_TFLGS2TSTYPE(TFLGS) \ + ((int) (((TFLGS) >> ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) \ + & ERTS_TRACE_TS_TYPE_MASK)) +#define ERTS_SEQTFLGS2TSTYPE(SEQTFLGS) \ + ((int) (((SEQTFLGS) >> ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) \ + & ERTS_TRACE_TS_TYPE_MASK)) + +#endif /* ERL_TRACE_H__FLAGS__ */ -#ifndef ERL_TRACE_H__ +#if !defined(ERL_TRACE_H__) && !defined(ERTS_ONLY_INCLUDE_TRACE_FLAGS) #define ERL_TRACE_H__ struct binary; diff --git a/erts/emulator/beam/erl_utils.h b/erts/emulator/beam/erl_utils.h index 4058d63eaf..640969daf0 100644 --- a/erts/emulator/beam/erl_utils.h +++ b/erts/emulator/beam/erl_utils.h @@ -115,7 +115,7 @@ void erts_silence_warn_unused_result(long unused); int erts_fit_in_bits_int64(Sint64); int erts_fit_in_bits_int32(Sint32); int erts_fit_in_bits_uint(Uint); -int erts_list_length(Eterm); +Sint erts_list_length(Eterm); int erts_is_builtin(Eterm, Eterm, int); Uint32 make_broken_hash(Eterm); Uint32 block_hash(byte *, unsigned, Uint32); @@ -161,30 +161,42 @@ int eq(Eterm, Eterm); #define EQ(x,y) (((x) == (y)) || (is_not_both_immed((x),(y)) && eq((x),(y)))) +int erts_cmp_atoms(Eterm a, Eterm b); Sint erts_cmp(Eterm, Eterm, int, int); +Sint erts_cmp_compound(Eterm, Eterm, int, int); Sint cmp(Eterm a, Eterm b); #define CMP(A,B) erts_cmp(A,B,0,0) #define CMP_TERM(A,B) erts_cmp(A,B,1,0) #define CMP_EQ_ONLY(A,B) erts_cmp(A,B,0,1) -#define cmp_lt(a,b) (CMP((a),(b)) < 0) -#define cmp_le(a,b) (CMP((a),(b)) <= 0) -#define cmp_eq(a,b) (CMP_EQ_ONLY((a),(b)) == 0) -#define cmp_ne(a,b) (CMP_EQ_ONLY((a),(b)) != 0) -#define cmp_ge(a,b) (CMP((a),(b)) >= 0) -#define cmp_gt(a,b) (CMP((a),(b)) > 0) - -#define cmp_lt_term(a,b) (CMP_TERM((a),(b)) < 0) -#define cmp_le_term(a,b) (CMP_TERM((a),(b)) <= 0) -#define cmp_ge_term(a,b) (CMP_TERM((a),(b)) >= 0) -#define cmp_gt_term(a,b) (CMP_TERM((a),(b)) > 0) - -#define CMP_LT(a,b) ((a) != (b) && cmp_lt((a),(b))) -#define CMP_GE(a,b) ((a) == (b) || cmp_ge((a),(b))) -#define CMP_EQ(a,b) ((a) == (b) || cmp_eq((a),(b))) -#define CMP_NE(a,b) ((a) != (b) && cmp_ne((a),(b))) - -#define CMP_LT_TERM(a,b) ((a) != (b) && cmp_lt_term((a),(b))) -#define CMP_GE_TERM(a,b) ((a) == (b) || cmp_ge_term((a),(b))) +#define CMP_LT(a,b) ((a) != (b) && CMP((a),(b)) < 0) +#define CMP_LE(a,b) ((a) == (b) || CMP((a),(b)) <= 0) +#define CMP_EQ(a,b) ((a) == (b) || CMP_EQ_ONLY((a),(b)) == 0) +#define CMP_NE(a,b) ((a) != (b) && CMP_EQ_ONLY((a),(b)) != 0) +#define CMP_GE(a,b) ((a) == (b) || CMP((a),(b)) >= 0) +#define CMP_GT(a,b) ((a) != (b) && CMP((a),(b)) > 0) + +#define CMP_EQ_ACTION(X,Y,Action) \ + if ((X) != (Y)) { CMP_SPEC((X),(Y),!=,Action,1); } +#define CMP_NE_ACTION(X,Y,Action) \ + if ((X) == (Y)) { Action; } else { CMP_SPEC((X),(Y),==,Action,1); } +#define CMP_GE_ACTION(X,Y,Action) \ + if ((X) != (Y)) { CMP_SPEC((X),(Y),<,Action,0); } +#define CMP_LT_ACTION(X,Y,Action) \ + if ((X) == (Y)) { Action; } else { CMP_SPEC((X),(Y),>=,Action,0); } + +#define CMP_SPEC(X,Y,Op,Action,EqOnly) \ + if (is_atom(X) && is_atom(Y)) { \ + if (erts_cmp_atoms(X, Y) Op 0) { Action; }; \ + } else if (is_both_small(X, Y)) { \ + if (signed_val(X) Op signed_val(Y)) { Action; }; \ + } else if (is_float(X) && is_float(Y)) { \ + FloatDef af, bf; \ + GET_DOUBLE(X, af); \ + GET_DOUBLE(Y, bf); \ + if (af.fd Op bf.fd) { Action; }; \ + } else { \ + if (erts_cmp_compound(X,Y,0,EqOnly) Op 0) { Action; }; \ + } #endif diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 3f5925765d..956efa5e36 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -1008,6 +1008,7 @@ typedef struct { Binary* erts_alloc_loader_state(void); Eterm erts_module_for_prepared_code(Binary* magic); +Eterm erts_has_code_on_load(Binary* magic); Eterm erts_prepare_loading(Binary* loader_state, Process *c_p, Eterm group_leader, Eterm* modp, byte* code, Uint size); @@ -1026,7 +1027,7 @@ Eterm erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info); /* beam_ranges.c */ void erts_init_ranges(void); -void erts_start_staging_ranges(void); +void erts_start_staging_ranges(int num_new); void erts_end_staging_ranges(int commit); void erts_update_ranges(BeamInstr* code, Uint size); void erts_remove_from_ranges(BeamInstr* code); @@ -1168,6 +1169,9 @@ extern ErtsModifiedTimings erts_modified_timings[]; extern int erts_no_line_info; extern Eterm erts_error_logger_warnings; extern int erts_initialized; +#if defined(USE_THREADS) && !defined(ERTS_SMP) +extern erts_tid_t erts_main_thread; +#endif extern int erts_compat_rel; extern int erts_use_sender_punish; void erts_short_init(void); @@ -1308,7 +1312,7 @@ int erts_utf8_to_latin1(byte* dest, const byte* source, int slen); #define ERTS_UTF8_OK_MAX_CHARS 4 void bin_write(int, void*, byte*, size_t); -int intlist_to_buf(Eterm, char*, int); /* most callers pass plain char*'s */ +Sint intlist_to_buf(Eterm, char*, Sint); /* most callers pass plain char*'s */ struct Sint_buf { #if defined(ARCH_64) @@ -1381,7 +1385,7 @@ ErlDrvSizeT erts_iolist_to_buf(Eterm, char*, ErlDrvSizeT); ErlDrvSizeT erts_iolist_to_buf_yielding(ErtsIOList2BufState *); int erts_iolist_size_yielding(ErtsIOListState *state); int erts_iolist_size(Eterm, ErlDrvSizeT *); -int is_string(Eterm); +Sint is_string(Eterm); void erl_at_exit(void (*) (void*), void*); Eterm collect_memory(Process *); void dump_memory_to_fd(int); @@ -1448,6 +1452,8 @@ ERTS_GLB_FORCE_INLINE int erts_is_literal(Eterm tptr, Eterm *ptr) #endif +Eterm erts_msacc_request(Process *c_p, int action, Eterm *threads); + /* ** Call_trace uses this API for the parameter matching functions */ diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 93c591b124..41b0fcdd1b 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -50,6 +50,7 @@ #include "erl_map.h" #include "erl_bif_unique.h" #include "erl_hl_timer.h" +#include "erl_time.h" extern ErlDrvEntry fd_driver_entry; extern ErlDrvEntry vanilla_driver_entry; @@ -705,6 +706,7 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */ error_number = error_type = 0; if (driver->start) { + ERTS_MSACC_PUSH_STATE_M(); if (IS_TRACED_FL(port, F_TRACE_SCHED_PORTS)) { trace_sched_ports_where(port, am_in, am_start); } @@ -715,6 +717,7 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */ DTRACE3(driver_start, process_str, driver->name, port_str); } #endif + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); fpe_was_unmasked = erts_block_fpe(); drv_data = (*driver->start)(ERTS_Port2ErlDrvPort(port), name, opts); if (((SWord) drv_data) == -1) @@ -734,6 +737,7 @@ erts_open_driver(erts_driver_t* driver, /* Pointer to driver. */ } erts_unblock_fpe(fpe_was_unmasked); + ERTS_MSACC_POP_STATE_M(); port->caller = NIL; if (IS_TRACED_FL(port, F_TRACE_SCHED_PORTS)) { trace_sched_ports_where(port, am_out, am_start); @@ -1709,6 +1713,7 @@ call_driver_outputv(int bang_op, else { ErtsSchedulerData *esdp = erts_get_scheduler_data(); ErlDrvSizeT size = evp->size; + ERTS_MSACC_PUSH_AND_SET_STATE_M(ERTS_MSACC_STATE_PORT); ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt) || ERTS_IS_CRASH_DUMPING); @@ -1729,6 +1734,8 @@ call_driver_outputv(int bang_op, esdp->io.out += (Uint64) size; else erts_atomic64_add_nob(&bytes_out, (erts_aint64_t) size); + + ERTS_MSACC_POP_STATE_M(); } } @@ -1809,6 +1816,7 @@ call_driver_output(int bang_op, send_badsig(prt); else { ErtsSchedulerData *esdp = erts_get_scheduler_data(); + ERTS_MSACC_PUSH_AND_SET_STATE_M(ERTS_MSACC_STATE_PORT); ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt) || ERTS_IS_CRASH_DUMPING); @@ -1828,6 +1836,8 @@ call_driver_output(int bang_op, esdp->io.out += (Uint64) size; else erts_atomic64_add_nob(&bytes_out, (erts_aint64_t) size); + + ERTS_MSACC_POP_STATE_M(); } } @@ -3472,6 +3482,7 @@ static void flush_port(Port *p) ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p)); if (p->drv_ptr->flush != NULL) { + ERTS_MSACC_PUSH_STATE_M(); #ifdef USE_VM_PROBES if (DTRACE_ENABLED(driver_flush)) { DTRACE_FORMAT_COMMON_PID_AND_PORT(ERTS_PORT_GET_CONNECTED(p), p) @@ -3481,9 +3492,11 @@ static void flush_port(Port *p) if (IS_TRACED_FL(p, F_TRACE_SCHED_PORTS)) { trace_sched_ports_where(p, am_in, am_flush); } + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); fpe_was_unmasked = erts_block_fpe(); (*p->drv_ptr->flush)((ErlDrvData)p->drv_data); erts_unblock_fpe(fpe_was_unmasked); + ERTS_MSACC_POP_STATE_M(); if (IS_TRACED_FL(p, F_TRACE_SCHED_PORTS)) { trace_sched_ports_where(p, am_out, am_flush); } @@ -3531,6 +3544,7 @@ terminate_port(Port *prt) drv = prt->drv_ptr; if ((drv != NULL) && (drv->stop != NULL)) { int fpe_was_unmasked = erts_block_fpe(); + ERTS_MSACC_PUSH_AND_SET_STATE_M(ERTS_MSACC_STATE_PORT); #ifdef USE_VM_PROBES if (DTRACE_ENABLED(driver_stop)) { DTRACE_FORMAT_COMMON_PID_AND_PORT(connected_id, prt) @@ -3539,6 +3553,7 @@ terminate_port(Port *prt) #endif (*drv->stop)((ErlDrvData)prt->drv_data); erts_unblock_fpe(fpe_was_unmasked); + ERTS_MSACC_POP_STATE_M(); #ifdef ERTS_SMP if (prt->xports) erts_port_handle_xports(prt); @@ -3849,6 +3864,7 @@ call_driver_control(Eterm caller, ErlDrvSizeT *from_size) { ErlDrvSSizeT cres; + ERTS_MSACC_PUSH_STATE_M(); if (!prt->drv_ptr->control) return ERTS_PORT_OP_BADARG; @@ -3862,6 +3878,8 @@ call_driver_control(Eterm caller, command, size); } #endif + + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); prt->caller = caller; cres = prt->drv_ptr->control((ErlDrvData) prt->drv_data, @@ -3872,6 +3890,8 @@ call_driver_control(Eterm caller, *from_size); prt->caller = NIL; + ERTS_MSACC_POP_STATE_M(); + if (cres < 0) return ERTS_PORT_OP_BADARG; @@ -4259,6 +4279,7 @@ call_driver_call(Eterm caller, unsigned *ret_flagsp) { ErlDrvSSizeT cres; + ERTS_MSACC_PUSH_STATE_M(); if (!prt->drv_ptr->call) return ERTS_PORT_OP_BADARG; @@ -4274,6 +4295,8 @@ call_driver_call(Eterm caller, } #endif + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); + prt->caller = caller; cres = prt->drv_ptr->call((ErlDrvData) prt->drv_data, command, @@ -4284,6 +4307,8 @@ call_driver_call(Eterm caller, ret_flagsp); prt->caller = NIL; + ERTS_MSACC_POP_STATE_M(); + if (cres <= 0 || ((byte) (*resp_bufp)[0]) != VERSION_MAGIC) return ERTS_PORT_OP_BADARG; @@ -4987,6 +5012,7 @@ int get_port_flags(ErlDrvPort ix) void erts_raw_port_command(Port* p, byte* buf, Uint len) { int fpe_was_unmasked; + ERTS_MSACC_PUSH_STATE_M(); ERTS_SMP_CHK_NO_PROC_LOCKS; ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p)); @@ -5007,9 +5033,11 @@ void erts_raw_port_command(Port* p, byte* buf, Uint len) DTRACE4(driver_output, "-raw-", port_str, p->name, len); } #endif + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); fpe_was_unmasked = erts_block_fpe(); (*p->drv_ptr->output)((ErlDrvData)p->drv_data, (char*) buf, (int) len); erts_unblock_fpe(fpe_was_unmasked); + ERTS_MSACC_POP_STATE_M(); } int async_ready(Port *p, void* data) @@ -5021,6 +5049,7 @@ int async_ready(Port *p, void* data) if (p) { ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(p)); if (p->drv_ptr->ready_async != NULL) { + ERTS_MSACC_PUSH_AND_SET_STATE_M(ERTS_MSACC_STATE_PORT); #ifdef USE_VM_PROBES if (DTRACE_ENABLED(driver_ready_async)) { DTRACE_FORMAT_COMMON_PID_AND_PORT(ERTS_PORT_GET_CONNECTED(p), p) @@ -5029,6 +5058,7 @@ int async_ready(Port *p, void* data) #endif (*p->drv_ptr->ready_async)((ErlDrvData)p->drv_data, data); need_free = 0; + ERTS_MSACC_POP_STATE_M(); } erts_port_driver_callback_epilogue(p, NULL); @@ -6840,6 +6870,28 @@ driver_get_now(ErlDrvNowData *now_data) return 0; } +ErlDrvTime +erl_drv_monotonic_time(ErlDrvTimeUnit time_unit) +{ + return (ErlDrvTime) erts_napi_monotonic_time((int) time_unit); +} + +ErlDrvTime +erl_drv_time_offset(ErlDrvTimeUnit time_unit) +{ + return (ErlDrvTime) erts_napi_time_offset((int) time_unit); +} + +ErlDrvTime +erl_drv_convert_time_unit(ErlDrvTime val, + ErlDrvTimeUnit from, + ErlDrvTimeUnit to) +{ + return (ErlDrvTime) erts_napi_convert_time_unit((ErtsMonotonicTime) val, + (int) from, + (int) to); +} + static void ref_to_driver_monitor(Eterm ref, ErlDrvMonitor *mon) { RefThing *refp; @@ -7030,6 +7082,7 @@ void erts_fire_port_monitor(Port *prt, Eterm ref) void (*callback)(ErlDrvData drv_data, ErlDrvMonitor *monitor); ErlDrvMonitor drv_monitor; int fpe_was_unmasked; + ERTS_MSACC_PUSH_STATE_M(); ERTS_SMP_LC_ASSERT(erts_lc_is_port_locked(prt)); ASSERT(prt->drv_ptr != NULL); @@ -7041,6 +7094,7 @@ void erts_fire_port_monitor(Port *prt, Eterm ref) callback = prt->drv_ptr->process_exit; ASSERT(callback != NULL); ref_to_driver_monitor(ref,&drv_monitor); + ERTS_MSACC_SET_STATE_CACHED_M(ERTS_MSACC_STATE_PORT); DRV_MONITOR_UNLOCK_PDL(prt); #ifdef USE_VM_PROBES if (DTRACE_ENABLED(driver_process_exit)) { @@ -7052,6 +7106,7 @@ void erts_fire_port_monitor(Port *prt, Eterm ref) (*callback)((ErlDrvData) (prt->drv_data), &drv_monitor); erts_unblock_fpe(fpe_was_unmasked); DRV_MONITOR_LOCK_PDL(prt); + ERTS_MSACC_POP_STATE_M(); /* remove monitor *after* callback */ rmon = erts_remove_monitor(&ERTS_P_MONITORS(prt), ref); DRV_MONITOR_UNLOCK_PDL(prt); diff --git a/erts/emulator/beam/module.h b/erts/emulator/beam/module.h index e66d628ca9..b7468b0926 100644 --- a/erts/emulator/beam/module.h +++ b/erts/emulator/beam/module.h @@ -37,6 +37,7 @@ struct erl_module_instance { typedef struct erl_module { IndexSlot slot; /* Must be located at top of struct! */ int module; /* Atom index for module (not tagged). */ + int seen; /* Used by finish_loading() */ struct erl_module_instance curr; struct erl_module_instance old; /* protected by "old_code" rwlock */ diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 081c4108a0..9e53b4bfcc 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -988,6 +988,13 @@ move Discarded x==0 | move Something x==0 => move Something x=0 %endif +call_ext u==0 u$func:os:perf_counter/0 => \ + i_perf_counter +call_ext_last u==0 u$func:os:perf_counter/0 D => \ + i_perf_counter | deallocate_return D +call_ext_only u==0 u$func:os:perf_counter/0 => \ + i_perf_counter | return + # # The general case for BIFs that have no special instructions. # A BIF used in the tail must be followed by a return instruction. @@ -1027,6 +1034,8 @@ i_apply_fun_only i_hibernate +i_perf_counter + call_bif e # diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 53f8313daa..068d636a40 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -136,6 +136,17 @@ typedef ERTS_SYS_FD_TYPE ErtsSysFdType; # define ERTS_LIKELY(BOOL) (BOOL) # define ERTS_UNLIKELY(BOOL) (BOOL) #endif + +#if ERTS_AT_LEAST_GCC_VSN__(2, 96, 0) +#ifndef __llvm__ +# define ERTS_WRITE_UNLIKELY(X) X __attribute__ ((section ("ERTS_LOW_WRITE") )) +#else +# define ERTS_WRITE_UNLIKELY(X) X __attribute__ ((section ("__DATA,ERTS_LOW_WRITE") )) +#endif +#else +# define ERTS_WRITE_UNLIKELY(X) X +#endif + #ifdef __GNUC__ # if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 5) # define ERTS_DECLARE_DUMMY(X) X __attribute__ ((unused)) @@ -196,6 +207,12 @@ __decl_noreturn void __noreturn erl_assert_error(const char* expr, const char *f # define ASSERT(e) ((void) 1) #endif +#ifdef ERTS_SMP +# define ERTS_SMP_ASSERT(e) ASSERT(e) +#else +# define ERTS_SMP_ASSERT(e) ((void)1) +#endif + /* ERTS_UNDEF can be used to silence false warnings about * "variable may be used uninitialized" while keeping the variable * marked as undefined by valgrind. @@ -772,6 +789,10 @@ int local_to_univ(Sint *year, Sint *month, Sint *day, void get_now(Uint*, Uint*, Uint*); struct ErtsSchedulerData_; ErtsMonotonicTime erts_get_monotonic_time(struct ErtsSchedulerData_ *); +ErtsMonotonicTime erts_get_time_offset(void); +void +erts_make_timestamp_value(Uint* megasec, Uint* sec, Uint* microsec, + ErtsMonotonicTime mtime, ErtsMonotonicTime offset); void get_sys_now(Uint*, Uint*, Uint*); void set_break_quit(void (*)(void), void (*)(void)); diff --git a/erts/emulator/beam/time.c b/erts/emulator/beam/time.c index 0ab6661c9f..48cb39333a 100644 --- a/erts/emulator/beam/time.c +++ b/erts/emulator/beam/time.c @@ -278,9 +278,14 @@ ErtsMonotonicTime erts_check_next_timeout_time(ErtsSchedulerData *esdp) { ErtsTimerWheel *tiw = esdp->timer_wheel; + ErtsMonotonicTime time; + ERTS_MSACC_DECLARE_CACHE_X(); if (tiw->true_next_timeout_time) return tiw->next_timeout_time; - return find_next_timeout(esdp, tiw, 1, 0, 0); + ERTS_MSACC_PUSH_AND_SET_STATE_CACHED_X(ERTS_MSACC_STATE_TIMERS); + time = find_next_timeout(esdp, tiw, 1, 0, 0); + ERTS_MSACC_POP_STATE_M_X(); + return time; } #ifndef ERTS_TW_DEBUG @@ -336,6 +341,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time) { int tiw_pos_ix, slots, yielded_slot_restarted, yield_count; ErtsMonotonicTime bump_to, tmp_slots, old_pos; + ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_TIMERS); yield_count = ERTS_TWHEEL_BUMP_YIELD_LIMIT; @@ -371,6 +377,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time) tiw->next_timeout_time = curr_time + ERTS_MONOTONIC_DAY; tiw->pos = bump_to; tiw->yield_slot = ERTS_TWHEEL_SLOT_INACTIVE; + ERTS_MSACC_POP_STATE_M_X(); return; } @@ -382,6 +389,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time) tiw->yield_slot = ERTS_TWHEEL_SLOT_AT_ONCE; tiw->true_next_timeout_time = 1; tiw->next_timeout_time = ERTS_CLKTCKS_TO_MONOTONIC(old_pos); + ERTS_MSACC_POP_STATE_M_X(); return; } @@ -400,8 +408,10 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time) p = tiw->at_once.head; } - if (tiw->pos >= bump_to) + if (tiw->pos >= bump_to) { + ERTS_MSACC_POP_STATE_M_X(); break; + } if (tiw->nto == 0) goto empty_wheel; @@ -478,6 +488,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time) tiw->yield_slot = tiw_pos_ix; tiw->yield_slots_left = slots; tiw->yield_start_pos = old_pos; + ERTS_MSACC_POP_STATE_M_X(); return; /* Yield! */ } @@ -500,6 +511,7 @@ erts_bump_timers(ErtsTimerWheel *tiw, ErtsMonotonicTime curr_time) /* Search at most two seconds ahead... */ (void) find_next_timeout(NULL, tiw, 0, curr_time, ERTS_SEC_TO_MONOTONIC(2)); + ERTS_MSACC_POP_STATE_M_X(); } Uint @@ -569,6 +581,7 @@ erts_twheel_set_timer(ErtsTimerWheel *tiw, ErtsMonotonicTime timeout_pos) { ErtsMonotonicTime timeout_time; + ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_TIMERS); p->u.func.timeout = timeout; p->u.func.cancel = cancel; @@ -612,6 +625,7 @@ erts_twheel_set_timer(ErtsTimerWheel *tiw, tiw->true_next_timeout_time = 1; tiw->next_timeout_time = timeout_time; } + ERTS_MSACC_POP_STATE_M_X(); } void @@ -620,11 +634,13 @@ erts_twheel_cancel_timer(ErtsTimerWheel *tiw, ErtsTWheelTimer *p) if (p->slot != ERTS_TWHEEL_SLOT_INACTIVE) { ErlCancelProc cancel; void *arg; + ERTS_MSACC_PUSH_AND_SET_STATE_M_X(ERTS_MSACC_STATE_TIMERS); remove_timer(tiw, p); cancel = p->u.func.cancel; arg = p->u.func.arg; if (cancel) (*cancel)(arg); + ERTS_MSACC_POP_STATE_M_X(); } } diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index ef851d840d..3ba02023a1 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -317,10 +317,10 @@ erl_grow_equeue(ErtsEQueue* q, Eterm* default_equeue) * Calculate length of a list. * Returns -1 if not a proper list (i.e. not terminated with NIL) */ -int +Sint erts_list_length(Eterm list) { - int i = 0; + Sint i = 0; while(is_list(list)) { i++; @@ -2991,7 +2991,7 @@ static int cmpbytes(byte *s1, int l1, byte *s2, int l2) #define float_comp(x,y) (((x)<(y)) ? -1 : (((x)==(y)) ? 0 : 1)) -static int cmp_atoms(Eterm a, Eterm b) +int erts_cmp_atoms(Eterm a, Eterm b) { Atom *aa = atom_tab(atom_val(a)); Atom *bb = atom_tab(atom_val(b)); @@ -3010,12 +3010,12 @@ Sint cmp(Eterm a, Eterm b) return erts_cmp(a, b, 0, 0); } -static Sint erts_cmp_compound(Eterm a, Eterm b, int exact, int eq_only); +Sint erts_cmp_compound(Eterm a, Eterm b, int exact, int eq_only); Sint erts_cmp(Eterm a, Eterm b, int exact, int eq_only) { if (is_atom(a) && is_atom(b)) { - return cmp_atoms(a, b); + return erts_cmp_atoms(a, b); } else if (is_both_small(a, b)) { return (signed_val(a) - signed_val(b)); } else if (is_float(a) && is_float(b)) { @@ -3032,7 +3032,7 @@ Sint erts_cmp(Eterm a, Eterm b, int exact, int eq_only) * exact = 1 -> term-based compare * exact = 0 -> arith-based compare */ -static Sint erts_cmp_compound(Eterm a, Eterm b, int exact, int eq_only) +Sint erts_cmp_compound(Eterm a, Eterm b, int exact, int eq_only) { #define PSTACK_TYPE struct erts_cmp_hashmap_state struct erts_cmp_hashmap_state { @@ -3089,7 +3089,7 @@ static Sint erts_cmp_compound(Eterm a, Eterm b, int exact, int eq_only) do { \ if((AN) != (BN)) { \ if((AN)->sysname != (BN)->sysname) \ - RETURN_NEQ(cmp_atoms((AN)->sysname, (BN)->sysname)); \ + RETURN_NEQ(erts_cmp_atoms((AN)->sysname, (BN)->sysname)); \ ASSERT((AN)->creation != (BN)->creation); \ RETURN_NEQ(((AN)->creation < (BN)->creation) ? -1 : 1); \ } \ @@ -3107,7 +3107,7 @@ tailrecur_ne: /* deal with majority (?) cases by brute-force */ if (is_atom(a)) { if (is_atom(b)) { - ON_CMP_GOTO(cmp_atoms(a, b)); + ON_CMP_GOTO(erts_cmp_atoms(a, b)); } } else if (is_both_small(a, b)) { ON_CMP_GOTO(signed_val(a) - signed_val(b)); @@ -3341,10 +3341,10 @@ tailrecur_ne: Export* a_exp = *((Export **) (export_val(a) + 1)); Export* b_exp = *((Export **) (export_val(b) + 1)); - if ((j = cmp_atoms(a_exp->code[0], b_exp->code[0])) != 0) { + if ((j = erts_cmp_atoms(a_exp->code[0], b_exp->code[0])) != 0) { RETURN_NEQ(j); } - if ((j = cmp_atoms(a_exp->code[1], b_exp->code[1])) != 0) { + if ((j = erts_cmp_atoms(a_exp->code[1], b_exp->code[1])) != 0) { RETURN_NEQ(j); } ON_CMP_GOTO((Sint) a_exp->code[2] - (Sint) b_exp->code[2]); @@ -3659,7 +3659,7 @@ term_array: /* arrays in 'aa' and 'bb', length in 'i' */ b = *bb++; if (!is_same(a, b)) { if (is_atom(a) && is_atom(b)) { - if ((j = cmp_atoms(a, b)) != 0) { + if ((j = erts_cmp_atoms(a, b)) != 0) { goto not_equal; } } else if (is_both_small(a, b)) { @@ -3930,11 +3930,11 @@ void bin_write(int to, void *to_arg, byte* buf, size_t sz) /* Fill buf with the contents of bytelist list return number of chars in list or -1 for error */ -int -intlist_to_buf(Eterm list, char *buf, int len) +Sint +intlist_to_buf(Eterm list, char *buf, Sint len) { Eterm* listptr; - int sz = 0; + Sint sz = 0; if (is_nil(list)) return 0; @@ -4481,11 +4481,12 @@ int erts_iolist_size(Eterm obj, ErlDrvSizeT* sizep) return iolist_size(0, NULL, obj, sizep); } -/* return 0 if item is not a non-empty flat list of bytes */ -int +/* return 0 if item is not a non-empty flat list of bytes + otherwise return the nonzero length of the list */ +Sint is_string(Eterm list) { - int len = 0; + Sint len = 0; while(is_list(list)) { Eterm* consp = list_val(list); |