From 2d3b4d0945190589098d42375b4738b004e7373a Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 15 Feb 2018 16:41:28 +0100 Subject: erts: Add binary vheap sizes to crash dump --- erts/emulator/beam/break.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index e4c2801ea2..127c14e21b 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -336,6 +336,12 @@ print_process_info(fmtfn_t to, void *to_arg, Process *p) erts_print(to, to_arg, "Heap unused: %bpu\n", (p->hend - p->htop)); erts_print(to, to_arg, "OldHeap unused: %bpu\n", (OLD_HEAP(p) == NULL) ? 0 : (OLD_HEND(p) - OLD_HTOP(p)) ); + erts_print(to, to_arg, "BinVHeap: %b64u\n", p->off_heap.overhead); + erts_print(to, to_arg, "OldBinVHeap: %b64u\n", BIN_OLD_VHEAP(p)); + erts_print(to, to_arg, "BinVHeap unused: %b64u\n", + BIN_VHEAP_SZ(p) - p->off_heap.overhead); + erts_print(to, to_arg, "OldBinVHeap unused: %b64u\n", + BIN_OLD_VHEAP_SZ(p) - BIN_OLD_VHEAP(p)); erts_print(to, to_arg, "Memory: %beu\n", erts_process_memory(p, !0)); if (garbing) { -- cgit v1.2.3 From 283e669d971cdd493226d33ae89e507acf84ea7b Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 15 Feb 2018 18:50:14 +0100 Subject: erts: Remove unused args to collect_live_heap_frags --- erts/emulator/beam/erl_gc.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 6a87136463..015ff0a106 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -142,7 +142,7 @@ static Eterm* sweep_literal_area(Eterm* n_hp, Eterm* n_htop, static Eterm* sweep_literals_to_old_heap(Eterm* heap_ptr, Eterm* heap_end, Eterm* htop, char* src, Uint src_size); static Eterm* collect_live_heap_frags(Process* p, ErlHeapFragment *live_hf_end, - Eterm* heap, Eterm* htop, Eterm* objv, int nobj); + Eterm* htop); static int adjust_after_fullsweep(Process *p, int need, Eterm *objv, int nobj); static void shrink_new_heap(Process *p, Uint new_sz, Eterm *objv, int nobj); static void grow_new_heap(Process *p, Uint new_sz, Eterm* objv, int nobj); @@ -1508,8 +1508,7 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, * Move heap frags that we know are completely live * directly into the new young heap generation. */ - n_htop = collect_live_heap_frags(p, live_hf_end, n_heap, n_htop, - objv, nobj); + n_htop = collect_live_heap_frags(p, live_hf_end, n_htop); } n = setup_rootset(p, objv, nobj, &rootset); @@ -1762,8 +1761,7 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end, * Move heap frags that we know are completely live * directly into the heap. */ - n_htop = collect_live_heap_frags(p, live_hf_end, n_heap, n_htop, - objv, nobj); + n_htop = collect_live_heap_frags(p, live_hf_end, n_htop); } n_htop = full_sweep_heaps(p, 0, n_heap, n_htop, oh, oh_size, objv, nobj); @@ -2337,9 +2335,7 @@ move_one_area(Eterm* n_htop, char* src, Uint src_size) */ static Eterm* -collect_live_heap_frags(Process* p, ErlHeapFragment *live_hf_end, - Eterm* n_hstart, Eterm* n_htop, - Eterm* objv, int nobj) +collect_live_heap_frags(Process* p, ErlHeapFragment *live_hf_end, Eterm* n_htop) { ErlHeapFragment* qb; char* frag_begin; -- cgit v1.2.3 From fac2f04b8e294b137d8bc4292fcaefb597faf9e8 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 15 Feb 2018 20:31:17 +0100 Subject: erts: Include failing garbing process in crash dump Exclude garbing processes, EXCEPT if run by crash dumping thread in which case we assume the heap is healthy without any move markers yet/left. Switched order between (allocating) setup_rootset() and (move marking) collect_live_heap_frags(). --- erts/emulator/beam/erl_gc.c | 38 ++++++++++++++++++++++++----------- erts/emulator/beam/erl_process_dump.c | 13 ++++++++++-- 2 files changed, 37 insertions(+), 14 deletions(-) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 015ff0a106..154b9b8dac 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -116,6 +116,7 @@ typedef struct { static Uint setup_rootset(Process*, Eterm*, int, Rootset*); static void cleanup_rootset(Rootset *rootset); static Eterm *full_sweep_heaps(Process *p, + ErlHeapFragment *live_hf_end, int hibernate, Eterm *n_heap, Eterm* n_htop, char *oh, Uint oh_size, @@ -939,6 +940,7 @@ garbage_collect_hibernate(Process* p, int check_long_gc) htop = heap; htop = full_sweep_heaps(p, + ERTS_INVALID_HFRAG_PTR, 1, heap, htop, @@ -1503,6 +1505,14 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, n_htop = n_heap = (Eterm*) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP, sizeof(Eterm)*new_sz); + n = setup_rootset(p, objv, nobj, &rootset); + roots = rootset.roots; + + /* + * All allocations done. Start defile heap with move markers. + * A crash dump due to allocation failure above will see a healthy heap. + */ + if (live_hf_end != ERTS_INVALID_HFRAG_PTR) { /* * Move heap frags that we know are completely live @@ -1511,9 +1521,6 @@ do_minor(Process *p, ErlHeapFragment *live_hf_end, n_htop = collect_live_heap_frags(p, live_hf_end, n_htop); } - n = setup_rootset(p, objv, nobj, &rootset); - roots = rootset.roots; - GENSWEEP_NSTACK(p, old_htop, n_htop); while (n--) { Eterm* g_ptr = roots->v; @@ -1756,15 +1763,8 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end, n_htop = n_heap = (Eterm *) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP, sizeof(Eterm)*new_sz); - if (live_hf_end != ERTS_INVALID_HFRAG_PTR) { - /* - * Move heap frags that we know are completely live - * directly into the heap. - */ - n_htop = collect_live_heap_frags(p, live_hf_end, n_htop); - } - - n_htop = full_sweep_heaps(p, 0, n_heap, n_htop, oh, oh_size, objv, nobj); + n_htop = full_sweep_heaps(p, live_hf_end, 0, n_heap, n_htop, oh, oh_size, + objv, nobj); /* Move the stack to the end of the heap */ stk_sz = HEAP_END(p) - p->stop; @@ -1811,6 +1811,7 @@ major_collection(Process* p, ErlHeapFragment *live_hf_end, static Eterm * full_sweep_heaps(Process *p, + ErlHeapFragment *live_hf_end, int hibernate, Eterm *n_heap, Eterm* n_htop, char *oh, Uint oh_size, @@ -1827,6 +1828,19 @@ full_sweep_heaps(Process *p, n = setup_rootset(p, objv, nobj, &rootset); + /* + * All allocations done. Start defile heap with move markers. + * A crash dump due to allocation failure above will see a healthy heap. + */ + + if (live_hf_end != ERTS_INVALID_HFRAG_PTR) { + /* + * Move heap frags that we know are completely live + * directly into the heap. + */ + n_htop = collect_live_heap_frags(p, live_hf_end, n_htop); + } + #ifdef HIPE if (hibernate) hipe_empty_nstack(p); diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index e0b795fbf3..c30a1e48ec 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -78,8 +78,17 @@ erts_deep_process_dump(fmtfn_t to, void *to_arg) Process *p = erts_pix2proc(i); if (p && p->i != ENULL) { erts_aint32_t state = erts_smp_atomic32_read_acqb(&p->state); - if (!(state & (ERTS_PSFLG_EXITING|ERTS_PSFLG_GC))) - dump_process_info(to, to_arg, p); + if (state & ERTS_PSFLG_EXITING) + continue; + if (state & ERTS_PSFLG_GC) { + ErtsSchedulerData *sdp = erts_get_scheduler_data(); + if (!sdp || p != sdp->current_process) + continue; + + /* We want to dump the garbing process that caused the dump */ + } + + dump_process_info(to, to_arg, p); } } -- cgit v1.2.3 From 43edeef1d224ace49dac13d6a5778cd0b50f1d25 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 15 Feb 2018 20:32:44 +0100 Subject: erts: Cleanup dump_process_info() by testing F_SENSITIVE only once. --- erts/emulator/beam/erl_process_dump.c | 59 +++++++++++++++++------------------ 1 file changed, 29 insertions(+), 30 deletions(-) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index c30a1e48ec..00fe30dfcb 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -144,9 +144,12 @@ dump_process_info(fmtfn_t to, void *to_arg, Process *p) ErtsMessage* mp; int yreg = -1; + if (ERTS_TRACE_FLAGS(p) & F_SENSITIVE) + return; + ERTS_SMP_MSGQ_MV_INQ2PRIVQ(p); - if ((ERTS_TRACE_FLAGS(p) & F_SENSITIVE) == 0 && p->msg.first) { + if (p->msg.first) { erts_print(to, to_arg, "=proc_messages:%T\n", p->common.id); for (mp = p->msg.first; mp != NULL; mp = mp->next) { Eterm mesg = ERL_MESSAGE_TERM(mp); @@ -161,38 +164,34 @@ dump_process_info(fmtfn_t to, void *to_arg, Process *p) } } - if ((ERTS_TRACE_FLAGS(p) & F_SENSITIVE) == 0) { - if (p->dictionary) { - erts_print(to, to_arg, "=proc_dictionary:%T\n", p->common.id); - erts_deep_dictionary_dump(to, to_arg, - p->dictionary, dump_element_nl); - } + if (p->dictionary) { + erts_print(to, to_arg, "=proc_dictionary:%T\n", p->common.id); + erts_deep_dictionary_dump(to, to_arg, + p->dictionary, dump_element_nl); } - if ((ERTS_TRACE_FLAGS(p) & F_SENSITIVE) == 0) { - erts_print(to, to_arg, "=proc_stack:%T\n", p->common.id); - for (sp = p->stop; sp < STACK_START(p); sp++) { - yreg = stack_element_dump(to, to_arg, sp, yreg); - } + erts_print(to, to_arg, "=proc_stack:%T\n", p->common.id); + for (sp = p->stop; sp < STACK_START(p); sp++) { + yreg = stack_element_dump(to, to_arg, sp, yreg); + } - erts_print(to, to_arg, "=proc_heap:%T\n", p->common.id); - for (sp = p->stop; sp < STACK_START(p); sp++) { - Eterm term = *sp; - - if (!is_catch(term) && !is_CP(term)) { - heap_dump(to, to_arg, term); - } - } - for (mp = p->msg.first; mp != NULL; mp = mp->next) { - Eterm mesg = ERL_MESSAGE_TERM(mp); - if (is_value(mesg)) - heap_dump(to, to_arg, mesg); - mesg = ERL_MESSAGE_TOKEN(mp); - heap_dump(to, to_arg, mesg); - } - if (p->dictionary) { - erts_deep_dictionary_dump(to, to_arg, p->dictionary, heap_dump); - } + erts_print(to, to_arg, "=proc_heap:%T\n", p->common.id); + for (sp = p->stop; sp < STACK_START(p); sp++) { + Eterm term = *sp; + + if (!is_catch(term) && !is_CP(term)) { + heap_dump(to, to_arg, term); + } + } + for (mp = p->msg.first; mp != NULL; mp = mp->next) { + Eterm mesg = ERL_MESSAGE_TERM(mp); + if (is_value(mesg)) + heap_dump(to, to_arg, mesg); + mesg = ERL_MESSAGE_TOKEN(mp); + heap_dump(to, to_arg, mesg); + } + if (p->dictionary) { + erts_deep_dictionary_dump(to, to_arg, p->dictionary, heap_dump); } } -- cgit v1.2.3 From cff79c76c3fb574addb5c9364f7c4c7d48a75907 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Mon, 19 Feb 2018 11:59:12 +0100 Subject: erts,observer: Add more port info to crash dump --- erts/emulator/beam/erl_bif_port.c | 21 +++++++++++++++++++++ erts/emulator/beam/erl_port.h | 1 + erts/emulator/beam/io.c | 8 ++++++++ 3 files changed, 30 insertions(+) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c index ff03151619..d05507118e 100644 --- a/erts/emulator/beam/erl_bif_port.c +++ b/erts/emulator/beam/erl_bif_port.c @@ -647,6 +647,27 @@ BIF_RETTYPE port_get_data_1(BIF_ALIST_1) BIF_RET(res); } +Eterm erts_port_data_read(Port* prt) +{ + Eterm res; + erts_aint_t data; + + data = erts_smp_atomic_read_ddrb(&prt->data); + if (data == (erts_aint_t)NULL) + return am_undefined; /* Port terminated by racing thread */ + + if ((data & 0x3) != 0) { + res = (Eterm) (UWord) data; + ASSERT(is_immed(res)); + } + else { + ErtsPortDataHeap *pdhp = (ErtsPortDataHeap *) data; + res = pdhp->data; + } + return res; +} + + /* * Open a port. Most of the work is not done here but rather in * the file io.c. diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h index b64de624dd..c30bbbca06 100644 --- a/erts/emulator/beam/erl_port.h +++ b/erts/emulator/beam/erl_port.h @@ -187,6 +187,7 @@ void erts_init_port_data(Port *); void erts_cleanup_port_data(Port *); Uint erts_port_data_size(Port *); ErlOffHeap *erts_port_data_offheap(Port *); +Eterm erts_port_data_read(Port* prt); #define ERTS_PORT_GET_CONNECTED(PRT) \ ((Eterm) erts_atomic_read_nob(&(PRT)->connected)) diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 3a5ddde5f4..c6444fd440 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -5199,6 +5199,14 @@ print_port_info(Port *p, fmtfn_t to, void *arg) } else { erts_print(to, arg, "Port controls linked-in driver: %s\n",p->name); } + erts_print(to, arg, "Input: %beu\n", p->bytes_in); + erts_print(to, arg, "Output: %beu\n", p->bytes_out); + erts_print(to, arg, "Queue: %beu\n", erts_ioq_size(&p->ioq)); + { + Eterm port_data = erts_port_data_read(p); + if (port_data != am_undefined) + erts_print(to, arg, "Port Data: %T\n", port_data); + } } void -- cgit v1.2.3 From 083973ccb86d1cf826821832285f1443200f6668 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Tue, 20 Feb 2018 20:45:52 +0100 Subject: erts,observer: Add dirty schedulers to crash dump --- erts/emulator/beam/break.c | 17 +++++++++++ erts/emulator/beam/erl_process.c | 63 ++++++++++++++++++++++++++++++++-------- erts/emulator/beam/erl_process.h | 1 + 3 files changed, 69 insertions(+), 12 deletions(-) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index 127c14e21b..5ace997344 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -911,6 +911,23 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args) erts_print_scheduler_info(to, to_arg, ERTS_SCHEDULER_IX(i)), erts_cbprintf(to, to_arg, "** crashed **\n")); } +#ifdef ERTS_DIRTY_SCHEDULERS + for (i = 0; i < erts_no_dirty_cpu_schedulers; i++) { + ERTS_SYS_TRY_CATCH( + erts_print_scheduler_info(to, to_arg, ERTS_DIRTY_CPU_SCHEDULER_IX(i)), + erts_cbprintf(to, to_arg, "** crashed **\n")); + } + erts_cbprintf(to, to_arg, "=dirty_cpu_run_queue\n"); + erts_print_run_queue_info(to, to_arg, ERTS_DIRTY_CPU_RUNQ); + + for (i = 0; i < erts_no_dirty_io_schedulers; i++) { + ERTS_SYS_TRY_CATCH( + erts_print_scheduler_info(to, to_arg, ERTS_DIRTY_IO_SCHEDULER_IX(i)), + erts_cbprintf(to, to_arg, "** crashed **\n")); + } + erts_cbprintf(to, to_arg, "=dirty_io_run_queue\n"); + erts_print_run_queue_info(to, to_arg, ERTS_DIRTY_IO_RUNQ); +#endif /* ERTS_DIRTY_SCHEDULERS */ #endif #ifdef ERTS_SMP diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 63e9275ac1..5fcb100fae 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -14259,16 +14259,35 @@ stack_element_dump(fmtfn_t to, void *to_arg, Eterm* sp, int yreg) return yreg; } +static void print_current_process_info(fmtfn_t, void *to_arg, ErtsSchedulerData*); + /* * Print scheduler information */ void -erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) { +erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) +{ int i; erts_aint32_t flg; - Process *p; - erts_print(to, to_arg, "=scheduler:%u\n", esdp->no); + switch (esdp->type) { + case ERTS_SCHED_NORMAL: + erts_print(to, to_arg, "=scheduler:%u\n", esdp->no); + break; +#ifdef ERTS_DIRTY_SCHEDULERS + case ERTS_SCHED_DIRTY_CPU: + erts_print(to, to_arg, "=dirty_cpu_scheduler:%u\n", + (esdp->dirty_no + erts_no_schedulers)); + break; + case ERTS_SCHED_DIRTY_IO: + erts_print(to, to_arg, "=dirty_io_scheduler:%u\n", + (esdp->dirty_no + erts_no_schedulers + erts_no_dirty_cpu_schedulers)); + break; +#endif + default: + erts_print(to, to_arg, "=unknown_scheduler_type:%u\n", esdp->type); + break; + } #ifdef ERTS_SMP flg = erts_smp_atomic32_read_dirty(&esdp->ssi->flags); @@ -14316,10 +14335,24 @@ erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) { } erts_print(to, to_arg, "\n"); - erts_print(to, to_arg, "Current Port: "); - if (esdp->current_port) - erts_print(to, to_arg, "%T", esdp->current_port->common.id); - erts_print(to, to_arg, "\n"); + if (esdp->type == ERTS_SCHED_NORMAL) { + erts_print(to, to_arg, "Current Port: "); + if (esdp->current_port) + erts_print(to, to_arg, "%T", esdp->current_port->common.id); + erts_print(to, to_arg, "\n"); + + erts_print_run_queue_info(to, to_arg, esdp->run_queue); + } + + /* This *MUST* to be the last information in scheduler block */ + print_current_process_info(to, to_arg, esdp); +} + +void erts_print_run_queue_info(fmtfn_t to, void *to_arg, + ErtsRunQueue *run_queue) +{ + erts_aint32_t flg; + int i; for (i = 0; i < ERTS_NO_PROC_PRIO_LEVELS; i++) { erts_print(to, to_arg, "Run Queue "); @@ -14341,12 +14374,12 @@ erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) { break; } erts_print(to, to_arg, "Length: %d\n", - erts_smp_atomic32_read_dirty(&esdp->run_queue->procs.prio_info[i].len)); + erts_smp_atomic32_read_dirty(&run_queue->procs.prio_info[i].len)); } erts_print(to, to_arg, "Run Queue Port Length: %d\n", - erts_smp_atomic32_read_dirty(&esdp->run_queue->ports.info.len)); + erts_smp_atomic32_read_dirty(&run_queue->ports.info.len)); - flg = erts_smp_atomic32_read_dirty(&esdp->run_queue->flags); + flg = erts_smp_atomic32_read_dirty(&run_queue->flags); erts_print(to, to_arg, "Run Queue Flags: "); for (i = 0; i < ERTS_RUNQ_FLG_MAX && flg; i++) { erts_aint32_t chk = (1 << i); @@ -14413,9 +14446,15 @@ erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp) { } } erts_print(to, to_arg, "\n"); +} + + +static void print_current_process_info(fmtfn_t to, void *to_arg, + ErtsSchedulerData* esdp) +{ + Process *p = esdp->current_process; + erts_aint32_t flg; - /* This *MUST* to be the last information in scheduler block */ - p = esdp->current_process; erts_print(to, to_arg, "Current Process: "); if (esdp->current_process && !(ERTS_TRACE_FLAGS(p) & F_SENSITIVE)) { flg = erts_smp_atomic32_read_dirty(&p->state); diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 639818c20c..dd89e30f82 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1868,6 +1868,7 @@ void erts_stack_dump(fmtfn_t to, void *to_arg, Process *); void erts_limited_stack_trace(fmtfn_t to, void *to_arg, Process *); void erts_program_counter_info(fmtfn_t to, void *to_arg, Process *); void erts_print_scheduler_info(fmtfn_t to, void *to_arg, ErtsSchedulerData *esdp); +void erts_print_run_queue_info(fmtfn_t, void *to_arg, ErtsRunQueue*); void erts_dump_extended_process_state(fmtfn_t to, void *to_arg, erts_aint32_t psflg); void erts_dump_process_state(fmtfn_t to, void *to_arg, erts_aint32_t psflg); -- cgit v1.2.3 From 105c2f9d8e2846857b4aa37ebec70439e429c497 Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 22 Feb 2018 17:28:51 +0100 Subject: erts,observer: Add port states and flags to crash dump --- erts/emulator/beam/io.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index c6444fd440..f08fd2ac2d 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -5151,6 +5151,93 @@ static void prt_one_lnk(ErtsLink *lnk, void *vprtd) erts_print(prtd->to, prtd->arg, "%T", lnk->pid); } +static void dump_port_state(fmtfn_t to, void *arg, erts_aint32_t state) +{ + erts_aint32_t rest; + int unknown = 0; + char delim = ' '; + + erts_print(to, arg, "State:"); + + rest = state; + while (rest) { + erts_aint32_t chk = (rest ^ (rest-1)) & rest; /* lowest set bit */ + char* s; + + rest &= ~chk; + switch (chk) { + case ERTS_PORT_SFLG_CONNECTED: s = "CONNECTED"; break; + case ERTS_PORT_SFLG_EXITING: s = "EXITING"; break; + case ERTS_PORT_SFLG_DISTRIBUTION: s = "DISTR"; break; + case ERTS_PORT_SFLG_BINARY_IO: s = "BINARY_IO"; break; + case ERTS_PORT_SFLG_SOFT_EOF: s = "SOFT_EOF"; break; + case ERTS_PORT_SFLG_CLOSING: s = "CLOSING"; break; + case ERTS_PORT_SFLG_SEND_CLOSED: s = "SEND_CLOSED"; break; + case ERTS_PORT_SFLG_LINEBUF_IO: s = "LINEBUF_IO"; break; + case ERTS_PORT_SFLG_FREE: s = "FREE"; break; + case ERTS_PORT_SFLG_INITIALIZING: s = "INITIALIZING"; break; + case ERTS_PORT_SFLG_PORT_SPECIFIC_LOCK: s = "PORT_LOCK"; break; + case ERTS_PORT_SFLG_INVALID: s = "INVALID"; break; + case ERTS_PORT_SFLG_HALT: s = "HALT"; break; +#ifdef DEBUG + case ERTS_PORT_SFLG_PORT_DEBUG: s = "DEBUG"; break; +#endif + default: + unknown = 1; + continue; + } + erts_print(to, arg, "%c%s", delim, s); + delim = '|'; + } + if (unknown || !state) + erts_print(to, arg, "%c0x%x\n", delim, state); + else + erts_print(to, arg, "\n"); +} + +static void dump_port_task_flags(fmtfn_t to, void *arg, Port* p) +{ + erts_aint32_t flags = erts_smp_atomic32_read_nob(&p->sched.flags); + erts_aint32_t unknown = 0; + char delim = ' '; + + if (!flags) + return; + + erts_print(to, arg, "Task Flags:"); + + while (flags) { + erts_aint32_t chk = (flags ^ (flags-1)) & flags; /* lowest set bit */ + char* s; + + flags &= ~chk; + switch (chk) { + case ERTS_PTS_FLG_IN_RUNQ: s = "IN_RUNQ"; break; + case ERTS_PTS_FLG_EXEC: s = "EXEC"; break; + case ERTS_PTS_FLG_HAVE_TASKS: s = "HAVE_TASKS"; break; + case ERTS_PTS_FLG_EXIT: s = "EXIT"; break; + case ERTS_PTS_FLG_BUSY_PORT: s = "BUSY_PORT"; break; + case ERTS_PTS_FLG_BUSY_PORT_Q: s = "BUSY_Q"; break; + case ERTS_PTS_FLG_CHK_UNSET_BUSY_PORT_Q: s = "CHK_UNSET_BUSY_Q"; break; + case ERTS_PTS_FLG_HAVE_BUSY_TASKS: s = "BUSY_TASKS"; break; + case ERTS_PTS_FLG_HAVE_NS_TASKS: s = "NS_TASKS"; break; + case ERTS_PTS_FLG_PARALLELISM: s = "PARALLELISM"; break; + case ERTS_PTS_FLG_FORCE_SCHED: s = "FORCE_SCHED"; break; + case ERTS_PTS_FLG_EXITING: s = "EXITING"; break; + case ERTS_PTS_FLG_EXEC_IMM: s = "EXEC_IMM"; break; + default: + unknown |= chk; + continue; + } + erts_print(to, arg, "%c%s", delim, s); + delim = '|'; + } + if (unknown) + erts_print(to, arg, "%cUNKNOWN(0x%x)\n", delim, unknown); + else + erts_print(to, arg, "\n"); +} + void print_port_info(Port *p, fmtfn_t to, void *arg) { @@ -5160,6 +5247,8 @@ print_port_info(Port *p, fmtfn_t to, void *arg) return; erts_print(to, arg, "=port:%T\n", p->common.id); + dump_port_state(to, arg, state); + dump_port_task_flags(to, arg, p); erts_print(to, arg, "Slot: %d\n", internal_port_index(p->common.id)); if (state & ERTS_PORT_SFLG_CONNECTED) { erts_print(to, arg, "Connected: %T", ERTS_PORT_GET_CONNECTED(p)); -- cgit v1.2.3 From 2e2d1ea0affa72b613d291f4d9002292d878fc2b Mon Sep 17 00:00:00 2001 From: Sverker Eriksson Date: Thu, 22 Feb 2018 20:25:04 +0100 Subject: erts,observer: Add port-suspended pids to crash dump --- erts/emulator/beam/erl_process.c | 14 ++++++++++++++ erts/emulator/beam/erl_process.h | 1 + erts/emulator/beam/io.c | 4 ++++ 3 files changed, 19 insertions(+) (limited to 'erts/emulator') diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 5fcb100fae..9b22f024b0 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -1609,6 +1609,20 @@ erts_proclist_destroy(ErtsProcList *plp) proclist_destroy(plp); } +void +erts_proclist_dump(fmtfn_t to, void *to_arg, ErtsProcList *plp) +{ + ErtsProcList *first = plp; + + while (plp) { + erts_print(to, to_arg, "%T", plp->pid); + plp = plp->next; + if (plp == first) + break; + } + erts_print(to, to_arg, "\n"); +} + void * erts_psd_set_init(Process *p, int ix, void *data) { diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index dd89e30f82..5cac939771 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -1614,6 +1614,7 @@ Uint64 erts_step_proc_interval(void); ErtsProcList *erts_proclist_create(Process *); ErtsProcList *erts_proclist_copy(ErtsProcList *); void erts_proclist_destroy(ErtsProcList *); +void erts_proclist_dump(fmtfn_t to, void *to_arg, ErtsProcList*); ERTS_GLB_INLINE int erts_proclist_same(ErtsProcList *, Process *); ERTS_GLB_INLINE void erts_proclist_store_first(ErtsProcList **, ErtsProcList *); diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index f08fd2ac2d..13b8125a99 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -5271,6 +5271,10 @@ print_port_info(Port *p, fmtfn_t to, void *arg) erts_doforall_monitors(ERTS_P_MONITORS(p), &prt_one_monitor, &prtd); erts_print(to, arg, "\n"); } + if (p->suspended) { + erts_print(to, arg, "Suspended: "); + erts_proclist_dump(to, arg, p->suspended); + } if (p->common.u.alive.reg != NULL) erts_print(to, arg, "Registered as: %T\n", p->common.u.alive.reg->name); -- cgit v1.2.3