forked from Minki/linux
sched/debug: Add new tracepoint to track PELT at se level
The new tracepoint allows tracking PELT signals at sched_entity level. Which is supported in CFS tasks and taskgroups only. Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Pavankumar Kondeti <pkondeti@codeaurora.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Quentin Perret <quentin.perret@arm.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Uwe Kleine-Konig <u.kleine-koenig@pengutronix.de> Link: https://lkml.kernel.org/r/20190604111459.2862-5-qais.yousef@arm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -617,6 +617,10 @@ DECLARE_TRACE(pelt_irq_tp,
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TP_PROTO(struct rq *rq),
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TP_ARGS(rq));
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DECLARE_TRACE(pelt_se_tp,
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TP_PROTO(struct sched_entity *se),
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TP_ARGS(se));
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#endif /* _TRACE_SCHED_H */
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/* This part must be outside protection */
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@ -3348,6 +3348,7 @@ static inline int propagate_entity_load_avg(struct sched_entity *se)
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update_tg_cfs_runnable(cfs_rq, se, gcfs_rq);
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trace_pelt_cfs_tp(cfs_rq);
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trace_pelt_se_tp(se);
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return 1;
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}
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@ -267,6 +267,7 @@ int __update_load_avg_blocked_se(u64 now, struct sched_entity *se)
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{
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if (___update_load_sum(now, &se->avg, 0, 0, 0)) {
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___update_load_avg(&se->avg, se_weight(se), se_runnable(se));
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trace_pelt_se_tp(se);
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return 1;
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}
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@ -280,6 +281,7 @@ int __update_load_avg_se(u64 now, struct cfs_rq *cfs_rq, struct sched_entity *se
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___update_load_avg(&se->avg, se_weight(se), se_runnable(se));
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cfs_se_util_change(&se->avg);
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trace_pelt_se_tp(se);
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return 1;
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}
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