diff options
Diffstat (limited to 'erts/emulator/beam/break.c')
-rw-r--r-- | erts/emulator/beam/break.c | 150 |
1 files changed, 123 insertions, 27 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c index 74a8a3b852..5ace997344 100644 --- a/erts/emulator/beam/break.c +++ b/erts/emulator/beam/break.c @@ -58,6 +58,8 @@ static void dump_attributes(fmtfn_t to, void *to_arg, byte* ptr, int size); extern char* erts_system_version[]; +#define WRITE_BUFFER_SIZE (64*1024) + static void port_info(fmtfn_t to, void *to_arg) { @@ -178,19 +180,28 @@ static void doit_print_monitor(ErtsMonitor *mon, void *vpcontext) prefix = ""; } - if (mon->type == MON_ORIGIN) { - if (is_atom(mon->pid)) { /* dist by name */ - ASSERT(is_node_name_atom(mon->pid)); + switch (mon->type) { + case MON_ORIGIN: + if (is_atom(mon->u.pid)) { /* dist by name */ + ASSERT(is_node_name_atom(mon->u.pid)); erts_print(to, to_arg, "%s{to,{%T,%T},%T}", prefix, mon->name, - mon->pid, mon->ref); + mon->u.pid, mon->ref); } else if (is_atom(mon->name)){ /* local by name */ erts_print(to, to_arg, "%s{to,{%T,%T},%T}", prefix, mon->name, erts_this_dist_entry->sysname, mon->ref); } else { /* local and distributed by pid */ - erts_print(to, to_arg, "%s{to,%T,%T}", prefix, mon->pid, mon->ref); + erts_print(to, to_arg, "%s{to,%T,%T}", prefix, mon->u.pid, mon->ref); } - } else { /* MON_TARGET */ - erts_print(to, to_arg, "%s{from,%T,%T}", prefix, mon->pid, mon->ref); + break; + case MON_TARGET: + erts_print(to, to_arg, "%s{from,%T,%T}", prefix, mon->u.pid, mon->ref); + break; + case MON_NIF_TARGET: { + ErtsResource* rsrc = mon->u.resource; + erts_print(to, to_arg, "%s{from,{%T,%T},%T}", prefix, rsrc->type->module, + rsrc->type->name, mon->ref); + break; + } } } @@ -230,9 +241,9 @@ print_process_info(fmtfn_t to, void *to_arg, Process *p) * Display the initial function name */ erts_print(to, to_arg, "Spawned as: %T:%T/%bpu\n", - p->u.initial[INITIAL_MOD], - p->u.initial[INITIAL_FUN], - p->u.initial[INITIAL_ARI]); + p->u.initial.module, + p->u.initial.function, + p->u.initial.arity); if (p->current != NULL) { if (running) { @@ -241,9 +252,9 @@ print_process_info(fmtfn_t to, void *to_arg, Process *p) erts_print(to, to_arg, "Current call: "); } erts_print(to, to_arg, "%T:%T/%bpu\n", - p->current[0], - p->current[1], - p->current[2]); + p->current->module, + p->current->function, + p->current->arity); } erts_print(to, to_arg, "Spawned by: %T\n", p->parent); @@ -290,9 +301,9 @@ print_process_info(fmtfn_t to, void *to_arg, Process *p) erts_print(to, to_arg, "timeout"); else erts_print(to, to_arg, "%T:%T/%bpu\n", - scb->ct[j]->code[0], - scb->ct[j]->code[1], - scb->ct[j]->code[2]); + scb->ct[j]->info.mfa.module, + scb->ct[j]->info.mfa.function, + scb->ct[j]->info.mfa.arity); } erts_print(to, to_arg, "\n"); } @@ -325,6 +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) { @@ -481,9 +498,7 @@ loaded(fmtfn_t to, void *to_arg) static void dump_attributes(fmtfn_t to, void *to_arg, byte* ptr, int size) { - while (size-- > 0) { - erts_print(to, to_arg, "%02X", *ptr++); - } + erts_print_base64(to, to_arg, ptr, size); erts_print(to, to_arg, "\n"); } @@ -503,6 +518,8 @@ do_break(void) erts_free_read_env(mode); #endif /* __WIN32__ */ + ASSERT(erts_smp_thr_progress_is_blocking()); + erts_printf("\n" "BREAK: (a)bort (c)ontinue (p)roc info (i)nfo (l)oaded\n" " (v)ersion (k)ill (D)b-tables (d)istribution\n"); @@ -579,7 +596,7 @@ do_break(void) #endif #ifdef DEBUG case 't': - erts_p_slpq(); + /* erts_p_slpq(); */ return; case 'b': bin_check(); @@ -649,7 +666,7 @@ bin_check(void) erts_printf("%p orig_size: %bpd, norefs = %bpd\n", bp->val, bp->val->orig_size, - erts_refc_read(&bp->val->refc, 1)); + erts_refc_read(&bp->val->intern.refc, 1)); } } if (printed) { @@ -666,18 +683,28 @@ bin_check(void) static Sint64 crash_dump_limit = ERTS_SINT64_MAX; static Sint64 crash_dump_written = 0; -static int crash_dump_limited_writer(void* vfdp, char* buf, size_t len) +typedef struct LimitedWriterInfo_ { + fmtfn_t to; + void* to_arg; +} LimitedWriterInfo; + +static int +crash_dump_limited_writer(void* vfdp, char* buf, size_t len) { const char stop_msg[] = "\n=abort:CRASH DUMP SIZE LIMIT REACHED\n"; + LimitedWriterInfo* lwi = (LimitedWriterInfo *) vfdp; crash_dump_written += len; if (crash_dump_written <= crash_dump_limit) { - return erts_write_fd(vfdp, buf, len); + return lwi->to(lwi->to_arg, buf, len); } len -= (crash_dump_written - crash_dump_limit); - erts_write_fd(vfdp, buf, len); - erts_write_fd(vfdp, (char*)stop_msg, sizeof(stop_msg)-1); + lwi->to(lwi->to_arg, buf, len); + lwi->to(lwi->to_arg, (char*)stop_msg, sizeof(stop_msg)-1); + if (lwi->to == &erts_write_fp) { + fclose((FILE *) lwi->to_arg); + } /* We assume that crash dump was called from erts_exit_vv() */ erts_exit_epilogue(); @@ -702,6 +729,9 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args) int i; fmtfn_t to = &erts_write_fd; void* to_arg; + FILE* fp = 0; + LimitedWriterInfo lwi; + static char* write_buffer; /* 'static' to avoid a leak warning in valgrind */ if (ERTS_SOMEONE_IS_CRASH_DUMPING) return; @@ -809,9 +839,30 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args) fd = open(dumpname,O_WRONLY | O_CREAT | O_TRUNC,0640); if (fd < 0) return; /* Can't create the crash dump, skip it */ - to_arg = (void*)&fd; + + /* + * Wrap into a FILE* so that we can use buffered output. Set an + * explicit buffer to make sure the first write does not fail because + * of a failure to allocate a buffer. + */ + write_buffer = (char *) erts_alloc_fnf(ERTS_ALC_T_TMP, WRITE_BUFFER_SIZE); + if (write_buffer && (fp = fdopen(fd, "w")) != NULL) { + setvbuf(fp, write_buffer, _IOFBF, WRITE_BUFFER_SIZE); + lwi.to = &erts_write_fp; + lwi.to_arg = (void*)fp; + } else { + lwi.to = &erts_write_fd; + lwi.to_arg = (void*)&fd; + } + if (to == &crash_dump_limited_writer) { + to_arg = (void *) &lwi; + } else { + to = lwi.to; + to_arg = lwi.to_arg; + } + time(&now); - erts_cbprintf(to, to_arg, "=erl_crash_dump:0.3\n%s", ctime(&now)); + erts_cbprintf(to, to_arg, "=erl_crash_dump:0.5\n%s", ctime(&now)); if (file != NULL) erts_cbprintf(to, to_arg, "The error occurred in file %s, line %d\n", file, line); @@ -860,6 +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 @@ -921,7 +989,35 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args) } erts_cbprintf(to, to_arg, "=end\n"); + if (fp) { + fclose(fp); + } close(fd); erts_fprintf(stderr,"done\n"); } +void +erts_print_base64(fmtfn_t to, void *to_arg, byte* src, Uint size) +{ + static const byte base64_chars[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + + while (size >= 3) { + erts_putc(to, to_arg, base64_chars[src[0] >> 2]); + erts_putc(to, to_arg, base64_chars[((src[0] & 0x03) << 4) | (src[1] >> 4)]); + erts_putc(to, to_arg, base64_chars[((src[1] & 0x0f) << 2) | (src[2] >> 6)]); + erts_putc(to, to_arg, base64_chars[src[2] & 0x3f]); + size -= 3; + src += 3; + } + if (size == 1) { + erts_putc(to, to_arg, base64_chars[src[0] >> 2]); + erts_putc(to, to_arg, base64_chars[(src[0] & 0x03) << 4]); + erts_print(to, to_arg, "=="); + } else if (size == 2) { + erts_putc(to, to_arg, base64_chars[src[0] >> 2]); + erts_putc(to, to_arg, base64_chars[((src[0] & 0x03) << 4) | (src[1] >> 4)]); + erts_putc(to, to_arg, base64_chars[(src[1] & 0x0f) << 2]); + erts_putc(to, to_arg, '='); + } +} |