diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 959ff18b63b626497764aec8dd16665fce63c0ab..e33ed1bfa1138bb6200eda7a213db34094cedf49 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -330,6 +330,13 @@ DEFINE_EVENT(sched_stat_template, sched_stat_iowait, TP_PROTO(struct task_struct *tsk, u64 delay), 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 cd3b64219d9f330ca519c4b61351ee4d4a3b0845..7c62e2bf234f0b3396b82054fcce4fad30efb980 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