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-rw-r--r--erts/emulator/beam/break.c150
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, '=');
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-18 12:10:25 +0000