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Commit 96032468 authored by Chris Redpath's avatar Chris Redpath Committed by Gerrit - the friendly Code Review server
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ANDROID: trace/sched: Add tracepoint for sched_overutilized events 



Change-Id: Ieb46736cb21fe58024c434cd678af0abb8b0d249
Signed-off-by: default avatarChris Redpath <chris.redpath@arm.com>
Git-commit: 7022c871dfc7215d32df21936876a4d9bafeaf50
Git-repo: https://android.googlesource.com/kernel/common/


[clingutla@codeaurora.org: Resolved trivial merge conflicts]
Signed-off-by: default avatarLingutla Chandrasekhar <clingutla@codeaurora.org>
[satyap@codeaurora.org: port to 5.x and resolve trivial merge conflicts]
Signed-off-by: default avatarSatya Durga Srinivasu Prabhala <satyap@codeaurora.org>
parent de785069

include/trace/events/sched.h

+28 −0
Original line number Diff line number Diff line
@@ -1105,6 +1105,34 @@ TRACE_EVENT(sched_find_best_target, 
		  __entry->target, __entry->backup)

);



/*

 * Tracepoint for system overutilized flag

 */

#ifdef CONFIG_SCHED_WALT

struct sched_domain;

TRACE_EVENT_CONDITION(sched_overutilized,



	TP_PROTO(struct sched_domain *sd, bool was_overutilized, bool overutilized),



	TP_ARGS(sd, was_overutilized, overutilized),



	TP_CONDITION(overutilized != was_overutilized),



	TP_STRUCT__entry(

		__field( bool,	overutilized	  )

		__array( char,  cpulist , 32      )

	),



	TP_fast_assign(

		__entry->overutilized	= overutilized;

		scnprintf(__entry->cpulist, sizeof(__entry->cpulist), "%*pbl", cpumask_pr_args(sched_domain_span(sd)));

	),



	TP_printk("overutilized=%d sd_span=%s",

		__entry->overutilized ? 1 : 0, __entry->cpulist)

);

#endif



TRACE_EVENT(sched_preempt_disable,



	TP_PROTO(u64 delta, bool irqs_disabled,

kernel/sched/fair.c

+2 −0
Original line number Diff line number Diff line
@@ -5305,11 +5305,13 @@ static bool sd_overutilized(struct sched_domain *sd) 


static void set_sd_overutilized(struct sched_domain *sd)

{

	trace_sched_overutilized(sd, sd->shared->overutilized, true);

	sd->shared->overutilized = true;

}



static void clear_sd_overutilized(struct sched_domain *sd)

{

	trace_sched_overutilized(sd, sd->shared->overutilized, false);

	sd->shared->overutilized = false;

}

#endif