diff options
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/beam_bp.c | 12 | ||||
-rw-r--r-- | erts/emulator/beam/beam_bp.h | 17 | ||||
-rw-r--r-- | erts/emulator/beam/beam_emu.c | 40 | ||||
-rw-r--r-- | erts/emulator/beam/beam_load.c | 262 | ||||
-rw-r--r-- | erts/emulator/beam/bif.c | 16 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bif_info.c | 5 | ||||
-rw-r--r-- | erts/emulator/beam/erl_cpu_topology.c | 23 | ||||
-rw-r--r-- | erts/emulator/beam/erl_init.c | 9 | ||||
-rw-r--r-- | erts/emulator/beam/erl_lock_check.c | 3 | ||||
-rw-r--r-- | erts/emulator/beam/erl_nif.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_port_task.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.c | 283 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.h | 29 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process_lock.c | 6 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process_lock.h | 10 | ||||
-rw-r--r-- | erts/emulator/beam/global.h | 2 | ||||
-rw-r--r-- | erts/emulator/beam/utils.c | 3 |
17 files changed, 306 insertions, 418 deletions
diff --git a/erts/emulator/beam/beam_bp.c b/erts/emulator/beam/beam_bp.c index dd31376a2d..692fa61fe8 100644 --- a/erts/emulator/beam/beam_bp.c +++ b/erts/emulator/beam/beam_bp.c @@ -495,16 +495,6 @@ erts_find_local_func(Eterm mfa[3]) { return NULL; } -/* bp_hash */ -ERTS_INLINE Uint bp_sched2ix() { -#ifdef ERTS_SMP - ErtsSchedulerData *esdp; - esdp = erts_get_scheduler_data(); - return esdp->no - 1; -#else - return 0; -#endif -} static void bp_hash_init(bp_time_hash_t *hash, Uint n) { Uint size = sizeof(bp_data_time_item_t)*n; Uint i; @@ -1347,7 +1337,7 @@ static BpData *is_break(BeamInstr *pc, BeamInstr break_op) { return NULL; } - bd = ebd = rs[bp_sched2ix()]; + bd = ebd = rs[erts_bp_sched2ix()]; ASSERT(bd); if ( (break_op == 0) || (bd->this_instr == break_op)) { return bd; diff --git a/erts/emulator/beam/beam_bp.h b/erts/emulator/beam/beam_bp.h index 2ec5818688..167069552f 100644 --- a/erts/emulator/beam/beam_bp.h +++ b/erts/emulator/beam/beam_bp.h @@ -144,8 +144,6 @@ extern erts_smp_spinlock_t erts_bp_lock; #define ErtsSmpBPUnlock(BDC) #endif -ERTS_INLINE Uint bp_sched2ix(void); - #ifdef ERTS_SMP #define bp_sched2ix_proc(p) ((p)->scheduler_data->no - 1) #else @@ -247,4 +245,19 @@ BpData *erts_get_time_break(Process *p, BeamInstr *pc); BeamInstr *erts_find_local_func(Eterm mfa[3]); +ERTS_GLB_INLINE Uint erts_bp_sched2ix(void); + +#if ERTS_GLB_INLINE_INCL_FUNC_DEF +ERTS_GLB_INLINE Uint erts_bp_sched2ix(void) +{ +#ifdef ERTS_SMP + ErtsSchedulerData *esdp; + esdp = erts_get_scheduler_data(); + return esdp->no - 1; +#else + return 0; +#endif +} +#endif + #endif /* _BEAM_BP_H */ diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 68e6383f7f..c65b2be106 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -45,7 +45,7 @@ /* #define HARDDEBUG 1 */ #if defined(NO_JUMP_TABLE) -# define OpCase(OpCode) case op_##OpCode: lb_##OpCode +# define OpCase(OpCode) case op_##OpCode # define CountCase(OpCode) case op_count_##OpCode # define OpCode(OpCode) ((Uint*)op_##OpCode) # define Goto(Rel) {Go = (int)(Rel); goto emulator_loop;} @@ -53,7 +53,7 @@ #else # define OpCase(OpCode) lb_##OpCode # define CountCase(OpCode) lb_count_##OpCode -# define Goto(Rel) goto *(Rel) +# define Goto(Rel) goto *((void *)Rel) # define LabelAddr(Label) &&Label # define OpCode(OpCode) (&&lb_##OpCode) #endif @@ -199,7 +199,7 @@ do { \ } \ } while (0) -#define ClauseFail() goto lb_jump_f +#define ClauseFail() goto jump_f #define SAVE_CP(X) \ do { \ @@ -234,6 +234,12 @@ BeamInstr beam_return_trace[1]; /* OpCode(i_return_trace) */ BeamInstr beam_exception_trace[1]; /* UGLY also OpCode(i_return_trace) */ BeamInstr beam_return_time_trace[1]; /* OpCode(i_return_time_trace) */ + +/* + * We should warn only once for tuple funs. + */ +static erts_smp_atomic_t warned_for_tuple_funs; + /* * All Beam instructions in numerical order. */ @@ -1015,6 +1021,7 @@ init_emulator(void) #if defined(VXWORKS) init_done = 0; #endif + erts_smp_atomic_init_nob(&warned_for_tuple_funs, (erts_aint_t) 0); process_main(); } @@ -2540,6 +2547,7 @@ void process_main(void) lb_Cl_error: { if (Arg(0) != 0) { OpCase(jump_f): { + jump_f: SET_I((BeamInstr *) Arg(0)); Goto(*I); } @@ -3113,7 +3121,7 @@ void process_main(void) /* Fall through */ OpCase(error_action_code): { - no_error_handler: + handle_error: reg[0] = r(0); SWAPOUT; I = handle_error(c_p, NULL, reg, NULL); @@ -3274,7 +3282,7 @@ void process_main(void) OpCase(i_func_info_IaaI): { c_p->freason = EXC_FUNCTION_CLAUSE; c_p->current = I + 2; - goto lb_error_action_code; + goto handle_error; } OpCase(try_case_end_s): @@ -4960,7 +4968,7 @@ void process_main(void) if (I) { Goto(*I); } - goto no_error_handler; + goto handle_error; } @@ -6187,6 +6195,26 @@ call_fun(Process* p, /* Current process. */ if (!is_atom(module) || !is_atom(function)) { goto badfun; } + + /* + * If this is the first time a tuple fun is used, + * send a warning to the logger. + */ + if (erts_smp_atomic_xchg_nob(&warned_for_tuple_funs, + (erts_aint_t) 1) == 0) { + erts_dsprintf_buf_t* dsbufp; + + dsbufp = erts_create_logger_dsbuf(); + erts_dsprintf(dsbufp, "Call to tuple fun {%T,%T}.\n\n" + "Tuple funs are deprecated and will be removed " + "in R16. Use \"fun M:F/A\" instead, for example " + "\"fun %T:%T/%d\".\n\n" + "(This warning will only be shown the first time " + "a tuple fun is called.)\n", + module, function, module, function, arity); + erts_send_warning_to_logger(p->group_leader, dsbufp); + } + if ((ep = erts_find_export_entry(module, function, arity)) == NULL) { ep = erts_find_export_entry(erts_proc_get_error_handler(p), am_undefined_function, 3); diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 4427defe0c..d8434c098e 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -254,6 +254,7 @@ typedef struct LoaderState { char* file_name; /* Name of file we are reading (usually chunk name). */ byte* file_p; /* Current pointer within file. */ unsigned file_left; /* Number of bytes left in file. */ + ErlDrvBinary* bin; /* Binary holding BEAM file (or NULL) */ /* * The following are used mainly for diagnostics. @@ -499,8 +500,10 @@ static void free_state(LoaderState* stp); static Eterm insert_new_code(Process *c_p, ErtsProcLocks c_p_locks, Eterm group_leader, Eterm module, BeamInstr* code, Uint size); +static int init_iff_file(LoaderState* stp, byte* code, Uint size); static int scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mandatory); +static int verify_chunks(LoaderState* stp); static int load_atom_table(LoaderState* stp); static int load_import_table(LoaderState* stp); static int read_export_table(LoaderState* stp); @@ -630,40 +633,23 @@ erts_prepare_loading(LoaderState* stp, Process *c_p, Eterm group_leader, Eterm* modp, byte* code, Uint unloaded_size) { Eterm retval = am_badfile; - ErlDrvBinary* bin = NULL; stp->module = *modp; stp->group_leader = group_leader; - /* - * Check if the module is compressed (or possibly invalid/corrupted). - */ - if ( !(unloaded_size >= 4 && - code[0] == 'F' && code[1] == 'O' && - code[2] == 'R' && code[3] == '1') ) { - bin = (ErlDrvBinary *) - erts_gzinflate_buffer((char*)code, unloaded_size); - if (bin == NULL) { - goto load_error; - } - code = (byte*)bin->orig_bytes; - unloaded_size = bin->orig_size; - } +#if defined(LOAD_MEMORY_HARD_DEBUG) && defined(DEBUG) + erts_fprintf(stderr,"Loading a module\n"); +#endif /* * Scan the IFF file. */ -#if defined(LOAD_MEMORY_HARD_DEBUG) && defined(DEBUG) - erts_fprintf(stderr,"Loading a module\n"); -#endif - CHKALLOC(); CHKBLK(ERTS_ALC_T_CODE,stp->code); - stp->file_name = "IFF header for Beam file"; - stp->file_p = code; - stp->file_left = unloaded_size; - if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) { + if (!init_iff_file(stp, code, unloaded_size) || + !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !verify_chunks(stp)) { goto load_error; } @@ -787,9 +773,6 @@ erts_prepare_loading(LoaderState* stp, Process *c_p, Eterm group_leader, retval = NIL; load_error: - if (bin) { - driver_free_binary(bin); - } if (retval != NIL) { free_state(stp); } @@ -864,6 +847,7 @@ erts_alloc_loader_state(void) LoaderState* stp; stp = erts_alloc(ERTS_ALC_T_LOADER_TMP, sizeof(LoaderState)); + stp->bin = NULL; stp->function = THE_NON_VALUE; /* Function not known yet */ stp->arity = 0; stp->specific_op = -1; @@ -897,6 +881,9 @@ erts_alloc_loader_state(void) static void free_state(LoaderState* stp) { + if (stp->bin != 0) { + driver_free_binary(stp->bin); + } if (stp->code != 0) { erts_free(ERTS_ALC_T_CODE, stp->code); } @@ -956,6 +943,7 @@ free_state(LoaderState* stp) if (stp->fname != 0) { erts_free(ERTS_ALC_T_LOADER_TMP, stp->fname); } + erts_free(ERTS_ALC_T_LOADER_TMP, stp); } @@ -1011,23 +999,47 @@ insert_new_code(Process *c_p, ErtsProcLocks c_p_locks, } static int -scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mandatory) +init_iff_file(LoaderState* stp, byte* code, Uint size) { - MD5_CTX context; + Uint form_id = MakeIffId('F', 'O', 'R', '1'); Uint id; Uint count; - int i; + + if (size < 4) { + goto load_error; + } /* - * The binary must start with an IFF 'FOR1' chunk. + * Check if the module is compressed (or possibly invalid/corrupted). */ + if (MakeIffId(code[0], code[1], code[2], code[3]) != form_id) { + stp->bin = (ErlDrvBinary *) erts_gzinflate_buffer((char*)code, size); + if (stp->bin == NULL) { + goto load_error; + } + code = (byte*)stp->bin->orig_bytes; + size = stp->bin->orig_size; + if (size < 4) { + goto load_error; + } + } - GetInt(stp, 4, id); - if (id != MakeIffId('F', 'O', 'R', '1')) { + /* + * The binary must start with an IFF 'FOR1' chunk. + */ + if (MakeIffId(code[0], code[1], code[2], code[3]) != form_id) { LoadError0(stp, "not a BEAM file: no IFF 'FOR1' chunk"); } /* + * Initialize our "virtual file system". + */ + + stp->file_name = "IFF header for Beam file"; + stp->file_p = code + 4; + stp->file_left = size - 4; + + /* * Retrieve the chunk size and verify it. If the size is equal to * or less than the size of the binary, it is ok and we will use it * as the limit for the logical file size. @@ -1048,6 +1060,21 @@ scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mand if (id != MakeIffId('B', 'E', 'A', 'M')) { LoadError0(stp, "not a BEAM file: IFF form type is not 'BEAM'"); } + return 1; + + load_error: + return 0; +} + +/* + * Scan the IFF file. The header should have been verified by init_iff_file(). + */ +static int +scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mandatory) +{ + Uint count; + Uint id; + int i; /* * Initialize the chunks[] array in the state. @@ -1104,17 +1131,25 @@ scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mand stp->file_p += count; stp->file_left -= count; } + return 1; - /* - * At this point, we have read the entire IFF file, and we - * know that it is syntactically correct. - * - * Now check that it contains all mandatory chunks. At the - * same time calculate the MD5 for the module. - */ + load_error: + return 0; +} + +/* + * Verify that all mandatory chunks are present and calculate + * MD5 for the module. + */ + +static int +verify_chunks(LoaderState* stp) +{ + int i; + MD5_CTX context; MD5Init(&context); - for (i = 0; i < num_mandatory; i++) { + for (i = 0; i < NUM_MANDATORY; i++) { if (stp->chunks[i].start != NULL) { MD5Update(&context, stp->chunks[i].start, stp->chunks[i].size); } else { @@ -1124,41 +1159,49 @@ scan_iff_file(LoaderState* stp, Uint* chunk_types, Uint num_types, Uint num_mand LoadError1(stp, "mandatory chunk of type '%s' not found\n", sbuf); } } - if (LITERAL_CHUNK < num_types) { - if (stp->chunks[LAMBDA_CHUNK].start != 0) { - byte* start = stp->chunks[LAMBDA_CHUNK].start; - Uint left = stp->chunks[LAMBDA_CHUNK].size; - /* - * The idea here is to ignore the OldUniq field for the fun; it is - * based on the old broken hash function, which can be different - * on little endian and big endian machines. - */ - if (left >= 4) { - static byte zero[4]; - MD5Update(&context, start, 4); - start += 4; - left -= 4; + /* + * If there is a lambda chunk, include parts of it in the MD5. + */ + if (stp->chunks[LAMBDA_CHUNK].start != 0) { + byte* start = stp->chunks[LAMBDA_CHUNK].start; + Uint left = stp->chunks[LAMBDA_CHUNK].size; + + /* + * The idea here is to ignore the OldUniq field for the fun; it is + * based on the old broken hash function, which can be different + * on little endian and big endian machines. + */ + if (left >= 4) { + static byte zero[4]; + MD5Update(&context, start, 4); + start += 4; + left -= 4; - while (left >= 24) { - /* Include: Function Arity Index NumFree */ - MD5Update(&context, start, 20); - /* Set to zero: OldUniq */ - MD5Update(&context, zero, 4); - start += 24; - left -= 24; - } - } - /* Can't happen for a correct 'FunT' chunk */ - if (left > 0) { - MD5Update(&context, start, left); + while (left >= 24) { + /* Include: Function Arity Index NumFree */ + MD5Update(&context, start, 20); + /* Set to zero: OldUniq */ + MD5Update(&context, zero, 4); + start += 24; + left -= 24; } } - if (stp->chunks[LITERAL_CHUNK].start != 0) { - MD5Update(&context, stp->chunks[LITERAL_CHUNK].start, - stp->chunks[LITERAL_CHUNK].size); + /* Can't happen for a correct 'FunT' chunk */ + if (left > 0) { + MD5Update(&context, start, left); } } + + + /* + * If there is a literal chunk, include it in the MD5. + */ + if (stp->chunks[LITERAL_CHUNK].start != 0) { + MD5Update(&context, stp->chunks[LITERAL_CHUNK].start, + stp->chunks[LITERAL_CHUNK].size); + } + MD5Final(stp->mod_md5, &context); return 1; @@ -5407,7 +5450,7 @@ code_get_chunk_2(BIF_ALIST_2) Process* p = BIF_P; Eterm Bin = BIF_ARG_1; Eterm Chunk = BIF_ARG_2; - LoaderState state; + LoaderState* stp; Uint chunk = 0; ErlSubBin* sb; Uint offset; @@ -5419,15 +5462,16 @@ code_get_chunk_2(BIF_ALIST_2) Eterm real_bin; byte* temp_alloc = NULL; + stp = erts_alloc_loader_state(); if ((start = erts_get_aligned_binary_bytes(Bin, &temp_alloc)) == NULL) { error: erts_free_aligned_binary_bytes(temp_alloc); + if (stp) { + free_state(stp); + } BIF_ERROR(p, BADARG); } - state.module = THE_NON_VALUE; /* Suppress diagnostiscs */ - state.file_name = "IFF header for Beam file"; - state.file_p = start; - state.file_left = binary_size(Bin); + stp->module = THE_NON_VALUE; /* Suppress diagnostics */ for (i = 0; i < 4; i++) { Eterm* chunkp; Eterm num; @@ -5445,25 +5489,30 @@ code_get_chunk_2(BIF_ALIST_2) if (is_not_nil(Chunk)) { goto error; } - if (!scan_iff_file(&state, &chunk, 1, 1)) { - erts_free_aligned_binary_bytes(temp_alloc); - return am_undefined; + if (!init_iff_file(stp, start, binary_size(Bin)) || + !scan_iff_file(stp, &chunk, 1, 1) || + stp->chunks[0].start == NULL) { + res = am_undefined; + goto done; } ERTS_GET_REAL_BIN(Bin, real_bin, offset, bitoffs, bitsize); if (bitoffs) { - res = new_binary(p, state.chunks[0].start, state.chunks[0].size); + res = new_binary(p, stp->chunks[0].start, stp->chunks[0].size); } else { sb = (ErlSubBin *) HAlloc(p, ERL_SUB_BIN_SIZE); sb->thing_word = HEADER_SUB_BIN; sb->orig = real_bin; - sb->size = state.chunks[0].size; + sb->size = stp->chunks[0].size; sb->bitsize = 0; sb->bitoffs = 0; - sb->offs = offset + (state.chunks[0].start - start); + sb->offs = offset + (stp->chunks[0].start - start); sb->is_writable = 0; res = make_binary(sb); } + + done: erts_free_aligned_binary_bytes(temp_alloc); + free_state(stp); return res; } @@ -5476,21 +5525,29 @@ code_module_md5_1(BIF_ALIST_1) { Process* p = BIF_P; Eterm Bin = BIF_ARG_1; - LoaderState state; + LoaderState* stp; + byte* bytes; byte* temp_alloc = NULL; + Eterm res; - if ((state.file_p = erts_get_aligned_binary_bytes(Bin, &temp_alloc)) == NULL) { + stp = erts_alloc_loader_state(); + if ((bytes = erts_get_aligned_binary_bytes(Bin, &temp_alloc)) == NULL) { + free_state(stp); BIF_ERROR(p, BADARG); } - state.module = THE_NON_VALUE; /* Suppress diagnostiscs */ - state.file_name = "IFF header for Beam file"; - state.file_left = binary_size(Bin); - - if (!scan_iff_file(&state, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) { - return am_undefined; + stp->module = THE_NON_VALUE; /* Suppress diagnostiscs */ + if (!init_iff_file(stp, bytes, binary_size(Bin)) || + !scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !verify_chunks(stp)) { + res = am_undefined; + goto done; } + res = new_binary(p, stp->mod_md5, sizeof(stp->mod_md5)); + + done: erts_free_aligned_binary_bytes(temp_alloc); - return new_binary(p, state.mod_md5, sizeof(state.mod_md5)); + free_state(stp); + return res; } #define WORDS_PER_FUNCTION 6 @@ -5776,7 +5833,6 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) int code_size; int rval; int i; - ErlDrvBinary* bin = NULL; byte* temp_alloc = NULL; byte* bytes; Uint size; @@ -5809,29 +5865,17 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) size = binary_size(Beam); /* - * Uncompressed if needed. - */ - if (!(size >= 4 && bytes[0] == 'F' && bytes[1] == 'O' && - bytes[2] == 'R' && bytes[3] == '1')) { - bin = (ErlDrvBinary *) erts_gzinflate_buffer((char*)bytes, size); - if (bin == NULL) { - goto error; - } - bytes = (byte*)bin->orig_bytes; - size = bin->orig_size; - } - - /* * Scan the Beam binary and read the interesting sections. */ - stp->file_name = "IFF header for Beam file"; - stp->file_p = bytes; - stp->file_left = size; stp->module = Mod; stp->group_leader = p->group_leader; stp->num_functions = n; - if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY)) { + if (!init_iff_file(stp, bytes, size)) { + goto error; + } + if (!scan_iff_file(stp, chunk_types, NUM_CHUNK_TYPES, NUM_MANDATORY) || + !verify_chunks(stp)) { goto error; } define_file(stp, "code chunk header", CODE_CHUNK); @@ -5986,13 +6030,11 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) if (patch_funentries(Patchlist)) { erts_free_aligned_binary_bytes(temp_alloc); free_state(stp); - if (bin != NULL) { - driver_free_binary(bin); - } return Mod; } error: + erts_free_aligned_binary_bytes(temp_alloc); free_state(stp); BIF_ERROR(p, BADARG); } diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 8ab363a1ec..26f1b4facb 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -870,8 +870,6 @@ BIF_RETTYPE spawn_opt_1(BIF_ALIST_1) } } else if (arg == am_scheduler && is_small(val)) { Sint scheduler = signed_val(val); - if (erts_common_run_queue && erts_no_schedulers > 1) - goto error; if (scheduler < 0 || erts_no_schedulers < scheduler) goto error; so.scheduler = (int) scheduler; @@ -1535,8 +1533,6 @@ BIF_RETTYPE process_flag_2(BIF_ALIST_2) ErtsRunQueue *old; ErtsRunQueue *new; Sint sched; - if (erts_common_run_queue && erts_no_schedulers > 1) - goto error; if (!is_small(BIF_ARG_2)) goto error; sched = signed_val(BIF_ARG_2); @@ -4128,8 +4124,20 @@ BIF_RETTYPE system_flag_2(BIF_ALIST_2) if (is_value(res)) BIF_RET(res); } else if (ERTS_IS_ATOM_STR("cpu_topology", BIF_ARG_1)) { + erts_send_warning_to_logger_str( + BIF_P->group_leader, + "A call to erlang:system_flag(cpu_topology, _) was made.\n" + "The cpu_topology argument is deprecated and scheduled\n" + "for removal in erts-5.10/OTP-R16. For more information\n" + "see the erlang:system_flag/2 documentation.\n"); BIF_TRAP1(set_cpu_topology_trap, BIF_P, BIF_ARG_2); } else if (ERTS_IS_ATOM_STR("scheduler_bind_type", BIF_ARG_1)) { + erts_send_warning_to_logger_str( + BIF_P->group_leader, + "A call to erlang:system_flag(scheduler_bind_type, _) was\n" + "made. The scheduler_bind_type argument is deprecated and\n" + "scheduled for removal in erts-5.10/OTP-R16. For more\n" + "information see the erlang:system_flag/2 documentation.\n"); return erts_bind_schedulers(BIF_P, BIF_ARG_2); } error: diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index a79feaebdb..cb918fd34c 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -78,7 +78,6 @@ static char erts_system_version[] = ("Erlang " ERLANG_OTP_RELEASE #ifdef ERTS_SMP " [smp:%beu:%beu]" #endif - " [rq:%beu]" #ifdef USE_THREADS " [async-threads:%d]" #endif @@ -301,9 +300,7 @@ erts_print_system_version(int to, void *arg, Process *c_p) #endif return erts_print(to, arg, erts_system_version #ifdef ERTS_SMP - , total, online, erts_no_run_queues -#else - , 1 + , total, online #endif #ifdef USE_THREADS , erts_async_max_threads diff --git a/erts/emulator/beam/erl_cpu_topology.c b/erts/emulator/beam/erl_cpu_topology.c index 03c0ef904a..fe3693d0ca 100644 --- a/erts/emulator/beam/erl_cpu_topology.c +++ b/erts/emulator/beam/erl_cpu_topology.c @@ -486,10 +486,7 @@ erts_sched_check_cpu_bind_post_suspend(ErtsSchedulerData *esdp) erts_thr_set_main_status(1, (int) esdp->no); /* Make sure we check if we should bind to a cpu or not... */ - if (esdp->run_queue->flags & ERTS_RUNQ_FLG_SHARED_RUNQ) - erts_smp_atomic32_set_nob(&esdp->chk_cpu_bind, 1); - else - esdp->run_queue->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND; + esdp->run_queue->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND; } #endif @@ -502,11 +499,7 @@ erts_sched_check_cpu_bind(ErtsSchedulerData *esdp) erts_cpu_groups_callback_list_t *cgcl; erts_cpu_groups_callback_call_t *cgcc; #ifdef ERTS_SMP - if (erts_common_run_queue) - erts_smp_atomic32_set_nob(&esdp->chk_cpu_bind, 0); - else { - esdp->run_queue->flags &= ~ERTS_RUNQ_FLG_CHK_CPU_BIND; - } + esdp->run_queue->flags &= ~ERTS_RUNQ_FLG_CHK_CPU_BIND; #endif erts_smp_runq_unlock(esdp->run_queue); erts_smp_rwmtx_rwlock(&cpuinfo_rwmtx); @@ -1729,16 +1722,8 @@ erts_init_cpu_topology(void) scheduler2cpu_map[ix].bound_id = -1; } - if (cpu_bind_order == ERTS_CPU_BIND_UNDEFINED) { - int ncpus = erts_get_cpu_configured(cpuinfo); - if (ncpus < 1 || erts_no_schedulers < ncpus) - cpu_bind_order = ERTS_CPU_BIND_NONE; - else - cpu_bind_order = ((system_cpudata || user_cpudata) - && (erts_bind_to_cpu(cpuinfo, -1) != -ENOTSUP) - ? ERTS_CPU_BIND_DEFAULT_BIND - : ERTS_CPU_BIND_NONE); - } + if (cpu_bind_order == ERTS_CPU_BIND_UNDEFINED) + cpu_bind_order = ERTS_CPU_BIND_NONE; reader_groups_map = add_cpu_groups(reader_groups, reader_groups_callback, diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 6c4ba2af68..717315d8bd 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -111,7 +111,6 @@ Eterm erts_error_logger_warnings; /* What to map warning logs to, am_error, int erts_compat_rel; -static int use_multi_run_queue; static int no_schedulers; static int no_schedulers_online; @@ -254,8 +253,7 @@ erl_init(int ncpu) erts_init_time(); erts_init_sys_common_misc(); erts_init_process(ncpu); - erts_init_scheduling(use_multi_run_queue, - no_schedulers, + erts_init_scheduling(no_schedulers, no_schedulers_online); erts_init_cpu_topology(); /* Must be after init_scheduling */ erts_alloc_late_init(); @@ -613,7 +611,6 @@ early_init(int *argc, char **argv) /* size_t envbufsz; erts_sched_compact_load = 1; - use_multi_run_queue = 1; erts_printf_eterm_func = erts_printf_term; erts_disable_tolerant_timeofday = 0; display_items = 200; @@ -1257,12 +1254,8 @@ erl_start(int argc, char **argv) erts_usage(); } } - else if (sys_strcmp("mrq", sub_param) == 0) - use_multi_run_queue = 1; else if (sys_strcmp("nsp", sub_param) == 0) erts_use_sender_punish = 0; - else if (sys_strcmp("srq", sub_param) == 0) - use_multi_run_queue = 0; else if (sys_strcmp("wt", sub_param) == 0) { arg = get_arg(sub_param+2, argv[i+1], &i); if (erts_sched_set_wakeup_limit(arg) != 0) { diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c index 44da6b6c51..09e85893c3 100644 --- a/erts/emulator/beam/erl_lock_check.c +++ b/erts/emulator/beam/erl_lock_check.c @@ -173,7 +173,6 @@ static erts_lc_lock_order_t erts_lock_order[] = { { "pix_lock", "address" }, { "run_queues_lists", NULL }, { "sched_stat", NULL }, - { "run_queue_sleep_list", "address" }, #endif { "async_init_mtx", NULL }, #ifdef ERTS_SMP @@ -1253,7 +1252,7 @@ erts_lc_init_lock(erts_lc_lock_t *lck, char *name, Uint16 flags) { lck->id = erts_lc_get_lock_order_id(name); - lck->extra = &lck->extra; + lck->extra = (UWord) &lck->extra; ASSERT(is_not_immed(lck->extra)); lck->flags = flags; lck->inited = ERTS_LC_INITITALIZED; diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 62798bb2c1..740a1b853e 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1669,7 +1669,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) } else { /* Function traced, patch the original instruction word */ BpData** bps = (BpData**) code_ptr[1]; - BpData* bp = (BpData*) bps[bp_sched2ix()]; + BpData* bp = (BpData*) bps[erts_bp_sched2ix()]; bp->orig_instr = (BeamInstr) BeamOp(op_call_nif); } code_ptr[5+1] = (BeamInstr) entry->funcs[i].fptr; diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 87b8e5131b..2b5e65b11a 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -1048,8 +1048,6 @@ erts_port_migrate(Port *prt, int *prt_locked, ERTS_SMP_LC_CHK_RUNQ_LOCK(from_rq, *from_locked); ERTS_SMP_LC_CHK_RUNQ_LOCK(to_rq, *to_locked); - ASSERT(!erts_common_run_queue); - if (!*from_locked || !*to_locked) { if (from_rq < to_rq) { if (!*to_locked) { diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 84c0ded016..ec4b1dcd98 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -196,8 +196,6 @@ do { \ erts_sched_stat_t erts_sched_stat; -ErtsRunQueue *erts_common_run_queue; - #ifdef USE_THREADS static erts_tsd_key_t sched_data_key; #endif @@ -225,10 +223,6 @@ typedef union { static ErtsAlignedSchedulerSleepInfo *aligned_sched_sleep_info; -#ifndef BM_COUNTERS -static int processes_busy; -#endif - Process** process_tab; static Uint last_reductions; static Uint last_exact_reductions; @@ -497,9 +491,6 @@ erts_init_process(int ncpu) p_serial_shift = erts_fit_in_bits(erts_max_processes - 1); p_serial_mask = ((~(~((Uint) 0) << proc_bits)) >> p_serial_shift); erts_process_tab_index_mask = ~(~((Uint) 0) << p_serial_shift); -#ifndef BM_COUNTERS - processes_busy = 0; -#endif last_reductions = 0; last_exact_reductions = 0; erts_default_process_flags = 0; @@ -1724,21 +1715,12 @@ scheduler_wait(int *fcalls, ErtsSchedulerData *esdp, ErtsRunQueue *rq) ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq)); - erts_smp_spin_lock(&rq->sleepers.lock); flgs = sched_prep_spin_wait(ssi); if (flgs & ERTS_SSI_FLG_SUSPENDED) { /* Go suspend instead... */ - erts_smp_spin_unlock(&rq->sleepers.lock); return; } - ssi->prev = NULL; - ssi->next = rq->sleepers.list; - if (rq->sleepers.list) - rq->sleepers.list->prev = ssi; - rq->sleepers.list = ssi; - erts_smp_spin_unlock(&rq->sleepers.lock); - /* * If all schedulers are waiting, one of them *should* * be waiting in erl_sys_schedule() @@ -1997,10 +1979,10 @@ ssi_flags_set_wake(ErtsSchedulerSleepInfo *ssi) } static void -wake_scheduler(ErtsRunQueue *rq, int incq, int one) +wake_scheduler(ErtsRunQueue *rq, int incq) { ErtsSchedulerSleepInfo *ssi; - ErtsSchedulerSleepList *sl; + erts_aint32_t flgs; /* * The unlocked run queue is not strictly necessary @@ -2012,56 +1994,13 @@ wake_scheduler(ErtsRunQueue *rq, int incq, int one) */ ERTS_SMP_LC_ASSERT(!erts_smp_lc_runq_is_locked(rq)); - sl = &rq->sleepers; + ssi = rq->scheduler->ssi; - erts_smp_spin_lock(&sl->lock); - ssi = sl->list; - if (!ssi) - erts_smp_spin_unlock(&sl->lock); - else if (one) { - erts_aint32_t flgs; - if (ssi->prev) - ssi->prev->next = ssi->next; - else { - ASSERT(sl->list == ssi); - sl->list = ssi->next; - } - if (ssi->next) - ssi->next->prev = ssi->prev; - - erts_smp_spin_unlock(&sl->lock); + flgs = ssi_flags_set_wake(ssi); + erts_sched_finish_poke(ssi, flgs); - flgs = ssi_flags_set_wake(ssi); - erts_sched_finish_poke(ssi, flgs); - - if (incq && !erts_common_run_queue && (flgs & ERTS_SSI_FLG_WAITING)) - non_empty_runq(rq); - } - else { - sl->list = NULL; - erts_smp_spin_unlock(&sl->lock); - - ERTS_THR_MEMORY_BARRIER; - do { - ErtsSchedulerSleepInfo *wake_ssi = ssi; - ssi = ssi->next; - erts_sched_finish_poke(wake_ssi, ssi_flags_set_wake(wake_ssi)); - } while (ssi); - } -} - -static void -wake_all_schedulers(void) -{ - if (erts_common_run_queue) - wake_scheduler(erts_common_run_queue, 0, 0); - else { - int ix; - for (ix = 0; ix < erts_no_run_queues; ix++) { - ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); - wake_scheduler(rq, 0, 1); - } - } + if (incq && (flgs & ERTS_SSI_FLG_WAITING)) + non_empty_runq(rq); } #define ERTS_NO_USED_RUNQS_SHIFT 16 @@ -2154,7 +2093,7 @@ chk_wake_sched(ErtsRunQueue *crq, int ix, int activate) erts_smp_xrunq_unlock(crq, wrq); } } - wake_scheduler(wrq, 0, 1); + wake_scheduler(wrq, 0); return 1; } return 0; @@ -2202,7 +2141,7 @@ smp_notify_inc_runq(ErtsRunQueue *runq) { #ifdef ERTS_SMP if (runq) - wake_scheduler(runq, 1, 1); + wake_scheduler(runq, 1); #endif } @@ -2217,19 +2156,12 @@ erts_sched_notify_check_cpu_bind(void) { #ifdef ERTS_SMP int ix; - if (erts_common_run_queue) { - for (ix = 0; ix < erts_no_schedulers; ix++) - erts_smp_atomic32_set_relb(&ERTS_SCHEDULER_IX(ix)->chk_cpu_bind, 1); - wake_all_schedulers(); - } - else { - for (ix = 0; ix < erts_no_run_queues; ix++) { - ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); - erts_smp_runq_lock(rq); - rq->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND; - erts_smp_runq_unlock(rq); - wake_scheduler(rq, 0, 1); - }; + for (ix = 0; ix < erts_no_run_queues; ix++) { + ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); + erts_smp_runq_lock(rq); + rq->flags |= ERTS_RUNQ_FLG_CHK_CPU_BIND; + erts_smp_runq_unlock(rq); + wake_scheduler(rq, 0); } #else erts_sched_check_cpu_bind(erts_get_scheduler_data()); @@ -2498,7 +2430,7 @@ evacuate_run_queue(ErtsRunQueue *evac_rq, ErtsRunQueue *rq) if (notify_to_rq) smp_notify_inc_runq(rq); - wake_scheduler(evac_rq, 0, 1); + wake_scheduler(evac_rq, 0); } static int @@ -2656,9 +2588,6 @@ static int try_steal_task(ErtsRunQueue *rq) { int res, rq_locked, vix, active_rqs, blnc_rqs; - - if (erts_common_run_queue) - return 0; /* * We are not allowed to steal jobs to this run queue @@ -3335,14 +3264,10 @@ init_aux_work_data(ErtsAuxWorkData *awdp, ErtsSchedulerData *esdp) } void -erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) +erts_init_scheduling(int no_schedulers, int no_schedulers_online) { int ix, n, no_ssi; -#ifndef ERTS_SMP - mrq = 0; -#endif - init_misc_op_list_alloc(); ASSERT(no_schedulers_online <= no_schedulers); @@ -3351,7 +3276,7 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) /* Create and initialize run queues */ - n = (int) (mrq ? no_schedulers : 1); + n = no_schedulers; erts_aligned_run_queues = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_RUNQS, @@ -3376,14 +3301,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) erts_smp_mtx_init_x(&rq->mtx, "run_queue", make_small(ix + 1)); erts_smp_cnd_init(&rq->cnd); -#ifdef ERTS_SMP - erts_smp_spinlock_init(&rq->sleepers.lock, "run_queue_sleep_list"); - rq->sleepers.list = NULL; -#endif - rq->waiting = 0; rq->woken = 0; - rq->flags = !mrq ? ERTS_RUNQ_FLG_SHARED_RUNQ : 0; + rq->flags = 0; rq->check_balance_reds = ERTS_RUNQ_CALL_CHECK_BALANCE_REDS; rq->full_reds_history_sum = 0; for (rix = 0; rix < ERTS_FULL_REDS_HISTORY_SIZE; rix++) { @@ -3429,8 +3349,6 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) rq->ports.end = NULL; } - erts_common_run_queue = !mrq ? ERTS_RUNQ_IX(0) : NULL; - #ifdef ERTS_SMP if (erts_no_run_queues != 1) { @@ -3507,18 +3425,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) erts_init_atom_cache_map(&esdp->atom_cache_map); - if (erts_common_run_queue) { - esdp->run_queue = erts_common_run_queue; - esdp->run_queue->scheduler = NULL; - } - else { - esdp->run_queue = ERTS_RUNQ_IX(ix); - esdp->run_queue->scheduler = esdp; - } + esdp->run_queue = ERTS_RUNQ_IX(ix); + esdp->run_queue->scheduler = esdp; -#ifdef ERTS_SMP - erts_smp_atomic32_init_nob(&esdp->chk_cpu_bind, 0); -#endif init_aux_work_data(&esdp->aux_work_data, esdp); } @@ -3541,8 +3450,7 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) schdlr_sspnd.msb.ongoing = 0; erts_smp_atomic32_init_nob(&schdlr_sspnd.active, no_schedulers); schdlr_sspnd.msb.procs = NULL; - init_no_runqs(no_schedulers, - erts_common_run_queue ? 1 : no_schedulers_online); + init_no_runqs(no_schedulers, no_schedulers_online); balance_info.last_active_runqs = no_schedulers; erts_smp_mtx_init(&balance_info.update_mtx, "migration_info_update"); balance_info.forced_check_balance = 0; @@ -3555,16 +3463,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) balance_info.n = 0; if (no_schedulers_online < no_schedulers) { - if (erts_common_run_queue) { - for (ix = no_schedulers_online; ix < no_schedulers; ix++) - erts_smp_atomic32_read_bor_nob(&ERTS_SCHED_SLEEP_INFO_IX(ix)->flags, - ERTS_SSI_FLG_SUSPENDED); - } - else { - for (ix = no_schedulers_online; ix < erts_no_run_queues; ix++) - evacuate_run_queue(ERTS_RUNQ_IX(ix), - ERTS_RUNQ_IX(ix % no_schedulers_online)); - } + for (ix = no_schedulers_online; ix < erts_no_run_queues; ix++) + evacuate_run_queue(ERTS_RUNQ_IX(ix), + ERTS_RUNQ_IX(ix % no_schedulers_online)); } schdlr_sspnd.wait_curr_online = no_schedulers_online; @@ -3609,8 +3510,6 @@ ErtsRunQueue * erts_schedid2runq(Uint id) { int ix; - if (erts_common_run_queue) - return erts_common_run_queue; ix = (int) id - 1; ASSERT(0 <= ix && ix < erts_no_run_queues); return ERTS_RUNQ_IX(ix); @@ -3901,9 +3800,11 @@ suspend_scheduler(ErtsSchedulerData *esdp) wake = 0; } - flgs = erts_smp_atomic32_read_acqb(&ssi->flags); - if (!(flgs & ERTS_SSI_FLG_SUSPENDED)) - break; + if (curr_online && !ongoing_multi_scheduling_block()) { + flgs = erts_smp_atomic32_read_acqb(&ssi->flags); + if (!(flgs & ERTS_SSI_FLG_SUSPENDED)) + break; + } erts_smp_mtx_unlock(&schdlr_sspnd.mtx); while (1) { @@ -4095,10 +3996,6 @@ erts_set_schedulers_online(Process *p, for (ix = online; ix < no; ix++) erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(ix)); } - else if (erts_common_run_queue) { - for (ix = online; ix < no; ix++) - scheduler_ix_resume_wake(ix); - } else { if (plocks) { have_unlocked_plocks = 1; @@ -4146,15 +4043,6 @@ erts_set_schedulers_online(Process *p, for (ix = no; ix < online; ix++) erts_sched_poke(ERTS_SCHED_SLEEP_INFO_IX(ix)); } - else if (erts_common_run_queue) { - for (ix = no; ix < online; ix++) { - ErtsSchedulerSleepInfo *ssi; - ssi = ERTS_SCHED_SLEEP_INFO_IX(ix); - erts_smp_atomic32_read_bor_nob(&ssi->flags, - ERTS_SSI_FLG_SUSPENDED); - } - wake_all_schedulers(); - } else { if (plocks) { have_unlocked_plocks = 1; @@ -4181,7 +4069,7 @@ erts_set_schedulers_online(Process *p, erts_smp_mtx_lock(&schdlr_sspnd.mtx); for (ix = no; ix < online; ix++) { ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); - wake_scheduler(rq, 0, 1); + wake_scheduler(rq, 0); } } } @@ -4274,33 +4162,26 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) res = ERTS_SCHDLR_SSPND_YIELD_DONE_MSCHED_BLOCKED; schdlr_sspnd.msb.wait_active = 2; } - if (erts_common_run_queue) { - for (ix = 1; ix < online; ix++) - erts_smp_atomic32_read_bor_nob(&ERTS_SCHED_SLEEP_INFO_IX(ix)->flags, - ERTS_SSI_FLG_SUSPENDED); - wake_all_schedulers(); - } - else { - erts_smp_mtx_unlock(&schdlr_sspnd.mtx); - erts_smp_mtx_lock(&balance_info.update_mtx); - set_no_used_runqs(1); - for (ix = 0; ix < online; ix++) { - ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); - erts_smp_runq_lock(rq); - ASSERT(!(rq->flags & ERTS_RUNQ_FLG_SUSPENDED)); - ERTS_RUNQ_RESET_MIGRATION_PATHS(rq, 0x7); - erts_smp_runq_unlock(rq); - } - /* - * Evacuate all activities in all other run queues - * into the first run queue. Note order is important, - * online run queues has to be evacuated last. - */ - for (ix = erts_no_run_queues-1; ix >= 1; ix--) - evacuate_run_queue(ERTS_RUNQ_IX(ix), ERTS_RUNQ_IX(0)); - erts_smp_mtx_unlock(&balance_info.update_mtx); - erts_smp_mtx_lock(&schdlr_sspnd.mtx); + + erts_smp_mtx_unlock(&schdlr_sspnd.mtx); + erts_smp_mtx_lock(&balance_info.update_mtx); + set_no_used_runqs(1); + for (ix = 0; ix < online; ix++) { + ErtsRunQueue *rq = ERTS_RUNQ_IX(ix); + erts_smp_runq_lock(rq); + ASSERT(!(rq->flags & ERTS_RUNQ_FLG_SUSPENDED)); + ERTS_RUNQ_RESET_MIGRATION_PATHS(rq, 0x7); + erts_smp_runq_unlock(rq); } + /* + * Evacuate all activities in all other run queues + * into the first run queue. Note order is important, + * online run queues has to be evacuated last. + */ + for (ix = erts_no_run_queues-1; ix >= 1; ix--) + evacuate_run_queue(ERTS_RUNQ_IX(ix), ERTS_RUNQ_IX(0)); + erts_smp_mtx_unlock(&balance_info.update_mtx); + erts_smp_mtx_lock(&schdlr_sspnd.mtx); if (erts_smp_atomic32_read_nob(&schdlr_sspnd.active) != schdlr_sspnd.msb.wait_active) { @@ -4412,12 +4293,6 @@ erts_block_multi_scheduling(Process *p, ErtsProcLocks plocks, int on, int all) ASSERT(erts_smp_atomic32_read_nob(&schdlr_sspnd.active) == 1); ERTS_SCHDLR_SSPND_CHNG_SET(0, ERTS_SCHDLR_SSPND_CHNG_MSB); } - else if (erts_common_run_queue) { - for (ix = 1; ix < schdlr_sspnd.online; ix++) - erts_smp_atomic32_read_band_nob(&ERTS_SCHED_SLEEP_INFO_IX(ix)->flags, - ~ERTS_SSI_FLG_SUSPENDED); - wake_all_schedulers(); - } else { int online = schdlr_sspnd.online; erts_smp_mtx_unlock(&schdlr_sspnd.mtx); @@ -5096,7 +4971,7 @@ suspend_process_2(BIF_ALIST_2) /* This is really a piece of cake without SMP support... */ if (!smon->active) { - suspend_process(erts_common_run_queue, suspendee); + suspend_process(ERTS_RUNQ_IX(0), suspendee); smon->active++; res = am_true; } @@ -5666,8 +5541,6 @@ erts_proc_migrate(Process *p, ErtsProcLocks *plcks, || from_locked); ERTS_SMP_LC_CHK_RUNQ_LOCK(from_rq, *from_locked); ERTS_SMP_LC_CHK_RUNQ_LOCK(to_rq, *to_locked); - - ASSERT(!erts_common_run_queue); /* * If we have the lock on the run queue to migrate to, @@ -5818,25 +5691,17 @@ erts_process_status(Process *c_p, ErtsProcLocks c_p_locks, int i; ErtsSchedulerData *esdp; - if (erts_common_run_queue) - erts_smp_runq_lock(erts_common_run_queue); - for (i = 0; i < erts_no_schedulers; i++) { esdp = ERTS_SCHEDULER_IX(i); - if (!erts_common_run_queue) - erts_smp_runq_lock(esdp->run_queue); + erts_smp_runq_lock(esdp->run_queue); if (esdp->free_process && esdp->free_process->id == rpid) { res = am_free; - if (!erts_common_run_queue) - erts_smp_runq_unlock(esdp->run_queue); + erts_smp_runq_unlock(esdp->run_queue); break; } - if (!erts_common_run_queue) - erts_smp_runq_unlock(esdp->run_queue); + erts_smp_runq_unlock(esdp->run_queue); } - if (erts_common_run_queue) - erts_smp_runq_unlock(erts_common_run_queue); #endif } @@ -6147,10 +6012,8 @@ Process *schedule(Process *p, int calls) #ifdef ERTS_SMP - if (!(rq->flags & ERTS_RUNQ_FLG_SHARED_RUNQ) - && rq->check_balance_reds <= 0) { + if (rq->check_balance_reds <= 0) check_balance(rq); - } ERTS_SMP_LC_ASSERT(!erts_thr_progress_is_blocking()); ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(rq)); @@ -6160,20 +6023,15 @@ Process *schedule(Process *p, int calls) continue_check_activities_to_run: - if (rq->flags & (ERTS_RUNQ_FLG_SHARED_RUNQ - | ERTS_RUNQ_FLG_CHK_CPU_BIND + if (rq->flags & (ERTS_RUNQ_FLG_CHK_CPU_BIND | ERTS_RUNQ_FLG_SUSPENDED)) { - if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED) - || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) - & ERTS_SSI_FLG_SUSPENDED)) { + if (rq->flags & ERTS_RUNQ_FLG_SUSPENDED) { ASSERT(erts_smp_atomic32_read_nob(&esdp->ssi->flags) & ERTS_SSI_FLG_SUSPENDED); suspend_scheduler(esdp); } - if ((rq->flags & ERTS_RUNQ_FLG_CHK_CPU_BIND) - || erts_smp_atomic32_read_acqb(&esdp->chk_cpu_bind)) { + if (rq->flags & ERTS_RUNQ_FLG_CHK_CPU_BIND) erts_sched_check_cpu_bind(esdp); - } } { @@ -6215,16 +6073,11 @@ Process *schedule(Process *p, int calls) empty_runq(rq); - if (rq->flags & (ERTS_RUNQ_FLG_SHARED_RUNQ - | ERTS_RUNQ_FLG_SUSPENDED)) { - if ((rq->flags & ERTS_RUNQ_FLG_SUSPENDED) - || (erts_smp_atomic32_read_acqb(&esdp->ssi->flags) - & ERTS_SSI_FLG_SUSPENDED)) { - ASSERT(erts_smp_atomic32_read_nob(&esdp->ssi->flags) - & ERTS_SSI_FLG_SUSPENDED); - non_empty_runq(rq); - goto continue_check_activities_to_run; - } + if (rq->flags & ERTS_RUNQ_FLG_SUSPENDED) { + ASSERT(erts_smp_atomic32_read_nob(&esdp->ssi->flags) + & ERTS_SSI_FLG_SUSPENDED); + non_empty_runq(rq); + goto continue_check_activities_to_run; } else if (!(rq->flags & ERTS_RUNQ_FLG_INACTIVE)) { /* @@ -6289,11 +6142,7 @@ Process *schedule(Process *p, int calls) else if (rq->wakeup_other < wakeup_other_limit) rq->wakeup_other += rq->len*wo_reds + ERTS_WAKEUP_OTHER_FIXED_INC; else { - if (erts_common_run_queue) { - if (erts_common_run_queue->waiting) - wake_scheduler(erts_common_run_queue, 0, 1); - } - else if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) { + if (erts_smp_atomic32_read_acqb(&no_empty_run_queues) != 0) { wake_scheduler_on_empty_runq(rq); rq->wakeup_other = 0; } @@ -6892,7 +6741,9 @@ erl_create_process(Process* parent, /* Parent of process (default group leader). goto error; } +#ifdef BM_COUNTERS processes_busy++; +#endif BM_COUNT(processes_spawned); #ifndef HYBRID @@ -8415,7 +8266,9 @@ continue_exit_process(Process *p pbt = ERTS_PROC_SET_CALL_TIME(p, ERTS_PROC_LOCKS_ALL, NULL); erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL); +#ifdef BM_COUNTERS processes_busy--; +#endif if (dep) { erts_do_net_exits(dep, reason); diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 69ff423133..a51b380bb0 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -144,12 +144,10 @@ extern int erts_sched_thread_suggested_stack_size; (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 1)) #define ERTS_RUNQ_FLG_SUSPENDED \ (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 2)) -#define ERTS_RUNQ_FLG_SHARED_RUNQ \ - (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 3)) #define ERTS_RUNQ_FLG_CHK_CPU_BIND \ - (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 4)) + (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 3)) #define ERTS_RUNQ_FLG_INACTIVE \ - (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 5)) + (((Uint32) 1) << (ERTS_RUNQ_FLG_BASE2 + 4)) #define ERTS_RUNQ_FLGS_MIGRATION_QMASKS \ (ERTS_RUNQ_FLGS_EMIGRATE_QMASK \ @@ -272,11 +270,6 @@ typedef enum { typedef struct ErtsSchedulerSleepInfo_ ErtsSchedulerSleepInfo; -typedef struct { - erts_smp_spinlock_t lock; - ErtsSchedulerSleepInfo *list; -} ErtsSchedulerSleepList; - struct ErtsSchedulerSleepInfo_ { #ifdef ERTS_SMP ErtsSchedulerSleepInfo *next; @@ -339,10 +332,6 @@ struct ErtsRunQueue_ { erts_smp_mtx_t mtx; erts_smp_cnd_t cnd; -#ifdef ERTS_SMP - ErtsSchedulerSleepList sleepers; -#endif - ErtsSchedulerData *scheduler; int waiting; /* < 0 in sys schedule; > 0 on cnd variable */ int woken; @@ -388,7 +377,6 @@ typedef union { } ErtsAlignedRunQueue; extern ErtsAlignedRunQueue *erts_aligned_run_queues; -extern ErtsRunQueue *erts_common_run_queue; #define ERTS_PROC_REDUCTIONS_EXECUTED(RQ, PRIO, REDS, AREDS) \ do { \ @@ -469,11 +457,6 @@ struct ErtsSchedulerData_ { ErtsSchedAllocData alloc_data; -#ifdef ERTS_SMP - /* NOTE: These fields are modified under held mutexes by other threads */ - erts_smp_atomic32_t chk_cpu_bind; /* Only used when common run queue */ -#endif - #ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC erts_alloc_verify_func_t verify_unused_temp_alloc; Allctr_t *verify_unused_temp_alloc_data; @@ -1079,7 +1062,7 @@ extern struct erts_system_profile_flags_t erts_system_profile_flags; void erts_pre_init_process(void); void erts_late_init_process(void); void erts_early_init_scheduling(int); -void erts_init_scheduling(int, int, int); +void erts_init_scheduling(int, int); ErtsProcList *erts_proclist_create(Process *); void erts_proclist_destroy(ErtsProcList *); @@ -1464,8 +1447,7 @@ erts_get_runq_proc(Process *p) ASSERT(p->run_queue); return p->run_queue; #else - ASSERT(erts_common_run_queue); - return erts_common_run_queue; + return ERTS_RUNQ_IX(0); #endif } @@ -1478,8 +1460,7 @@ erts_get_runq_current(ErtsSchedulerData *esdp) esdp = erts_get_scheduler_data(); return esdp->run_queue; #else - ASSERT(erts_common_run_queue); - return erts_common_run_queue; + return ERTS_RUNQ_IX(0); #endif } diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c index b4d20480c5..a5a753b798 100644 --- a/erts/emulator/beam/erl_process_lock.c +++ b/erts/emulator/beam/erl_process_lock.c @@ -123,10 +123,10 @@ erts_init_proc_lock(int cpus) erts_smp_spinlock_init(&qs_lock, "proc_lck_qs_alloc"); for (i = 0; i < ERTS_NO_OF_PIX_LOCKS; i++) { #ifdef ERTS_ENABLE_LOCK_COUNT - erts_smp_spinlock_init_x(&erts_pix_locks[i].u.spnlck, - "pix_lock", make_small(i)); + erts_mtx_init_x(&erts_pix_locks[i].u.mtx, + "pix_lock", make_small(i)); #else - erts_smp_spinlock_init(&erts_pix_locks[i].u.spnlck, "pix_lock"); + erts_mtx_init(&erts_pix_locks[i].u.mtx, "pix_lock"); #endif } queue_free_list = NULL; diff --git a/erts/emulator/beam/erl_process_lock.h b/erts/emulator/beam/erl_process_lock.h index 97f250138e..97e554914e 100644 --- a/erts/emulator/beam/erl_process_lock.h +++ b/erts/emulator/beam/erl_process_lock.h @@ -255,8 +255,8 @@ void erts_proc_lc_unrequire_lock(Process *p, ErtsProcLocks locks); typedef struct { union { - erts_smp_spinlock_t spnlck; - char buf[64]; /* Try to get locks in different cache lines */ + erts_mtx_t mtx; + char buf[ERTS_ALC_CACHE_LINE_ALIGN_SIZE(sizeof(erts_mtx_t))]; } u; } erts_pix_lock_t; @@ -380,18 +380,18 @@ ERTS_GLB_INLINE void erts_proc_lock_op_debug(Process *, ErtsProcLocks, int); ERTS_GLB_INLINE void erts_pix_lock(erts_pix_lock_t *pixlck) { ERTS_LC_ASSERT(pixlck); - erts_smp_spin_lock(&pixlck->u.spnlck); + erts_mtx_lock(&pixlck->u.mtx); } ERTS_GLB_INLINE void erts_pix_unlock(erts_pix_lock_t *pixlck) { ERTS_LC_ASSERT(pixlck); - erts_smp_spin_unlock(&pixlck->u.spnlck); + erts_mtx_unlock(&pixlck->u.mtx); } ERTS_GLB_INLINE int erts_lc_pix_lock_is_locked(erts_pix_lock_t *pixlck) { - return erts_smp_lc_spinlock_is_locked(&pixlck->u.spnlck); + return erts_lc_mtx_is_locked(&pixlck->u.mtx); } /* diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index b247576f1c..d5b74efd98 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -205,7 +205,7 @@ erts_port_runq(Port *prt) rq1 = rq2; } #else - return erts_common_run_queue; + return ERTS_RUNQ_IX(0); #endif } diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index e4ad7dcb24..df03f5e42c 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -45,6 +45,7 @@ #include "erl_thr_progress.h" #include "erl_thr_queue.h" #include "erl_sched_spec_pre_alloc.h" +#include "beam_bp.h" #undef M_TRIM_THRESHOLD #undef M_TOP_PAD @@ -2647,7 +2648,7 @@ tailrecur_ne: FloatDef f1, f2; Eterm big; #if HEAP_ON_C_STACK - Eterm big_buf[32]; /* If HEAP_ON_C_STACK */ + Eterm big_buf[CMP_TMP_HEAP_SIZE]; /* If HEAP_ON_C_STACK */ #else Eterm *big_buf = erts_get_scheduler_data()->cmp_tmp_heap; #endif |