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authorSverker Eriksson <[email protected]>2018-02-20 20:45:52 +0100
committerSverker Eriksson <[email protected]>2018-02-20 20:45:52 +0100
commit083973ccb86d1cf826821832285f1443200f6668 (patch)
tree85c3d96b3cf18900d463ee6afea9f3385c04b8aa /erts
parent4202ce4ef468b33225cab0dfd0ce89b5466654de (diff)
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erts,observer: Add dirty schedulers to crash dump
Diffstat (limited to 'erts')
-rw-r--r--erts/emulator/beam/break.c17
-rw-r--r--erts/emulator/beam/erl_process.c63
-rw-r--r--erts/emulator/beam/erl_process.h1
3 files changed, 69 insertions, 12 deletions
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);