Merge branch 'dgud/sched-work-time/OTP-9858' into maint

* dgud/sched-work-time/OTP-9858:
  emulator: Document and test scheduler_wall_time
  Implement statistics(scheduler_wall_time)

1 files changed, 14 insertions, 0 deletions

diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h
index a51b380bb0..173b7df69d 100644
--- a/erts/emulator/beam/erl_process.h
+++ b/erts/emulator/beam/erl_process.h
@@ -394,6 +394,16 @@ do {								\
 } while (0)
 
 typedef struct {
+    int enabled;
+    Uint64 start;
+    struct {
+	Uint64 total;
+	Uint64 start;
+	int currently;
+    } working;
+} ErtsSchedWallTime;
+
+typedef struct {
     int sched_id;
     ErtsSchedulerData *esdp;
     ErtsSchedulerSleepInfo *ssi;
@@ -457,6 +467,8 @@ struct ErtsSchedulerData_ {
 
     ErtsSchedAllocData alloc_data;
 
+    ErtsSchedWallTime sched_wall_time;
+
 #ifdef ERTS_DO_VERIFY_UNUSED_TEMP_ALLOC
     erts_alloc_verify_func_t verify_unused_temp_alloc;
     Allctr_t *verify_unused_temp_alloc_data;
@@ -1064,6 +1076,8 @@ void erts_late_init_process(void);
 void erts_early_init_scheduling(int);
 void erts_init_scheduling(int, int);
 
+Eterm erts_sched_wall_time_request(Process *c_p, int set, int enable);
+
 ErtsProcList *erts_proclist_create(Process *);
 void erts_proclist_destroy(ErtsProcList *);
 int erts_proclist_same(ErtsProcList *, Process *);