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ANDROID: TRACE: sched: export sched_stat_iowait for calling in ko

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Sometimes we need to monitor the iowait time of processes in real-time,
and monitoring through this tracepoint is a more direct way.

Bug: 322715220

Change-Id: I63ac98ba34c6e672da48e73e1c19711b68b28077
Signed-off-by: dongliang.cui <dongliang.cui@unisoc.com>
Signed-off-by: Qixia Yang <yangqixia2@oppo.com>
This commit is contained in:
dongliang.cui
2024-01-29 11:14:17 +08:00
committed by Qixia Yang
parent 04a99b621f
commit 258d6d2f43
1 changed files with 1 additions and 0 deletions
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kernel/sched/core.c
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@@ -128,6 +128,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(sched_wakeup);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_sleep);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_wait);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_blocked);
EXPORT_TRACEPOINT_SYMBOL_GPL(sched_stat_iowait);
#endif
DEFINE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);