From 258d6d2f43c393cb173e32c6145db1f39dce11a2 Mon Sep 17 00:00:00 2001 From: "dongliang.cui" Date: Mon, 29 Jan 2024 11:14:17 +0800 Subject: [PATCH] ANDROID: TRACE: sched: export sched_stat_iowait for calling in ko 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 Signed-off-by: Qixia Yang --- kernel/sched/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 36fbea88b48a..d324a7f268b1 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -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);