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perf: Optimize __pmu_ctx_sched_out()
authorPeter Zijlstra <peterz@infradead.org>
Wed, 7 Aug 2024 11:29:29 +0000 (13:29 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Thu, 8 Aug 2024 10:27:32 +0000 (12:27 +0200)
commit3e15a3fe3a2a170c5be52783667706875c088f96
tree36dbbeedbb73c687d696efce89f12ac6d7c7000etree
parent5d95a2af973d47260b1e1828953fc860c0094052commit | diff
perf: Optimize __pmu_ctx_sched_out()

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>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240807115550.392851915@infradead.org
kernel/events/core.c diff | blob | blame | history
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