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-rw-r--r--include/trace/events/sched.h7
-rw-r--r--kernel/sched/fair.c2
2 files changed, 9 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 959ff18b63b..e33ed1bfa11 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -331,6 +331,13 @@ DEFINE_EVENT(sched_stat_template, sched_stat_iowait,
TP_ARGS(tsk, delay));
/*
+ * Tracepoint for accounting blocked time (time the task is in uninterruptible).
+ */
+DEFINE_EVENT(sched_stat_template, sched_stat_blocked,
+ TP_PROTO(struct task_struct *tsk, u64 delay),
+ TP_ARGS(tsk, delay));
+
+/*
* Tracepoint for accounting runtime (time the task is executing
* on a CPU).
*/
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index cd3b64219d9..7c62e2bf234 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1030,6 +1030,8 @@ static void enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se)
trace_sched_stat_iowait(tsk, delta);
}
+ trace_sched_stat_blocked(tsk, delta);
+
/*
* Blocking time is in units of nanosecs, so shift by
* 20 to get a milliseconds-range estimation of the