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Commit 574a2d18 authored by Chris Redpath's avatar Chris Redpath
Browse files

ANDROID: trace/sched: add tracepoint for rt_rq PELT signal 



We want to be able to track rt_rq signals same as we do for other RQs.

Change-Id: I38b64baa50e1ff86019ca4b8b0a04af994880b35
Signed-off-by: default avatarChris Redpath <chris.redpath@arm.com>
parent a05271a0

include/trace/events/sched.h

+25 −0
Original line number Diff line number Diff line
@@ -642,6 +642,31 @@ TRACE_EVENT(sched_load_cfs_rq, 
		  __get_str(path), __entry->load, __entry->util)

);



/*

 * Tracepoint for rt_rq load tracking:

 */

struct rt_rq;



TRACE_EVENT(sched_load_rt_rq,



	TP_PROTO(int cpu, struct rt_rq *rt_rq),



	TP_ARGS(cpu, rt_rq),



	TP_STRUCT__entry(

		__field(	int,		cpu			)

		__field(	unsigned long,	util			)

	),



	TP_fast_assign(

		__entry->cpu	= cpu;

		__entry->util	= rt_rq->avg.util_avg;

	),



	TP_printk("cpu=%d util=%lu", __entry->cpu,

		  __entry->util)

);



/*

 * Tracepoint for sched_entity load tracking:

 */

kernel/sched/fair.c

+2 −0
Original line number Diff line number Diff line
@@ -3029,6 +3029,8 @@ ___update_load_avg(u64 now, int cpu, struct sched_avg *sa, 
	else {

		if (likely(!rt_rq))

			trace_sched_load_se(container_of(sa, struct sched_entity, avg));

		else

			trace_sched_load_rt_rq(cpu, rt_rq);

	}



	return 1;