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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-08-12 12:27:10 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-08-26 12:41:54 +0200 |
| commit | 9864f5b5943ab0f1f835f21dc3f9f068d06f5b52 (patch) | |
| tree | a2416a792abbf0f2bf7699b2918b33c3c7874b9e /kernel | |
| parent | cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic (diff) | |
| download | wireguard-linux-9864f5b5943ab0f1f835f21dc3f9f068d06f5b52.tar.xz wireguard-linux-9864f5b5943ab0f1f835f21dc3f9f068d06f5b52.zip | |
cpuidle: Move trace_cpu_idle() into generic code
Remove trace_cpu_idle() from the arch_cpu_idle() implementations and
put it in the generic code, right before disabling RCU. Gets rid of
more trace_*_rcuidle() users.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Marco Elver <elver@google.com>
Link: https://lkml.kernel.org/r/20200821085348.428433395@infradead.org
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/idle.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index ea3a0989dc4c..f324dc36fc43 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -91,11 +91,14 @@ void __cpuidle default_idle_call(void) if (current_clr_polling_and_test()) { local_irq_enable(); } else { + + trace_cpu_idle(1, smp_processor_id()); stop_critical_timings(); rcu_idle_enter(); arch_cpu_idle(); rcu_idle_exit(); start_critical_timings(); + trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id()); } } |