MINOR: sched: store the current profile entry in the thread context
The profile entry that corresponds to the current task/tasklet being
profiled is now stored into the thread's context. This will allow it
to be accessed from the tasks themselves. This is needed for an upcoming
fix.
diff --git a/include/haproxy/tinfo-t.h b/include/haproxy/tinfo-t.h
index 1555439..10fe7e9 100644
--- a/include/haproxy/tinfo-t.h
+++ b/include/haproxy/tinfo-t.h
@@ -131,6 +131,7 @@
uint32_t sched_wake_date; /* current task/tasklet's wake date or 0 */
uint32_t sched_call_date; /* current task/tasklet's call date (valid if sched_wake_date > 0) */
+ struct sched_activity *sched_profile_entry; /* profile entry in use by the current task/tasklet, only if sched_wake_date>0 */
uint64_t prev_cpu_time; /* previous per thread CPU time */
uint64_t prev_mono_time; /* previous system wide monotonic time */
diff --git a/src/task.c b/src/task.c
index 5cebbbb..3d78680 100644
--- a/src/task.c
+++ b/src/task.c
@@ -575,6 +575,7 @@
((struct tasklet *)t)->wake_date = 0;
th_ctx->sched_call_date = now_ns;
profile_entry = sched_activity_entry(sched_activity, t->process);
+ th_ctx->sched_profile_entry = profile_entry;
HA_ATOMIC_ADD(&profile_entry->lat_time, lat);
HA_ATOMIC_INC(&profile_entry->calls);
}
@@ -614,6 +615,7 @@
t->wake_date = 0;
th_ctx->sched_call_date = now_ns;
profile_entry = sched_activity_entry(sched_activity, t->process);
+ th_ctx->sched_profile_entry = profile_entry;
HA_ATOMIC_ADD(&profile_entry->lat_time, lat);
HA_ATOMIC_INC(&profile_entry->calls);
}