Messages in this thread Patch in this message |  | | Date | Wed, 07 Aug 2024 13:29:29 +0200 | | From | Peter Zijlstra <> | | Subject | [PATCH 5/5] perf: Optimize __pmu_ctx_sched_out() |
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There is is no point in doing the perf_pmu_disable() dance just to do nothing. This happens for ctx_sched_out(.type = EVENT_TIME) for instance.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- kernel/events/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3304,7 +3304,7 @@ static void __pmu_ctx_sched_out(struct p cpc->task_epc = NULL; } - if (!event_type) + if (!(event_type & EVENT_ALL)) return; perf_pmu_disable(pmu);
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