The tracepoints trace_sched_stat_{iowait, blocked, wait, sleep} should be not exposed to user if CONFIG_SCHEDSTATS is not set.
Signed-off-by: Yafang Shao <laoar.s...@gmail.com> --- include/trace/events/sched.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 9a4bdfa..4686c7f 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -336,6 +336,7 @@ static inline long __trace_sched_switch_state(bool preempt, struct task_struct * __entry->pid, __entry->old_pid) ); +#ifdef CONFIG_SCHEDSTATS /* * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE * adding sched_stat support to SCHED_FIFO/RR would be welcome. @@ -395,6 +396,19 @@ static inline long __trace_sched_switch_state(bool preempt, struct task_struct * TP_PROTO(struct task_struct *tsk, u64 delay), TP_ARGS(tsk, delay)); +#else /* CONFIG_SCHEDSTATS */ + +TRACE_EVENT_NONE(sched_stat_wait, + TP_PROTO(struct task_struct *tsk, u64 delay)); +TRACE_EVENT_NONE(sched_stat_sleep, + TP_PROTO(struct task_struct *tsk, u64 delay)); +TRACE_EVENT_NONE(sched_stat_iowait, + TP_PROTO(struct task_struct *tsk, u64 delay)); +TRACE_EVENT_NONE(sched_stat_blocked, + TP_PROTO(struct task_struct *tsk, u64 delay)); + +#endif /* CONFIG_SCHEDSTATS */ + /* * Tracepoint for accounting runtime (time the task is executing * on a CPU). -- 1.8.3.1