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authorLen Brown <len.brown@intel.com>2011-01-12 18:06:19 -0500
committerLen Brown <len.brown@intel.com>2011-01-12 18:06:19 -0500
commit43952886f0b8b3c344c3392b88de067d5fa5419a (patch)
treec1a738f11a479246c09976902be5b73aaf731722 /drivers/cpuidle
parent56dbed129df3fdd4caf9018b6e7599ee258a5420 (diff)
parentf77cfe4ea21760268c0277fa3e4b02dfd2a2c2f4 (diff)
downloadlinux-43952886f0b8b3c344c3392b88de067d5fa5419a.tar.bz2
Merge branch 'cpuidle-perf-events' into idle-test
Diffstat (limited to 'drivers/cpuidle')
-rw-r--r--drivers/cpuidle/cpuidle.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index a2d5b95a6d64..bf5092455a8f 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -96,7 +96,15 @@ static void cpuidle_idle_call(void)
/* enter the state and update stats */
dev->last_state = target_state;
+
+ trace_power_start(POWER_CSTATE, next_state, dev->cpu);
+ trace_cpu_idle(next_state, dev->cpu);
+
dev->last_residency = target_state->enter(dev, target_state);
+
+ trace_power_end(dev->cpu);
+ trace_cpu_idle(PWR_EVENT_EXIT, dev->cpu);
+
if (dev->last_state)
target_state = dev->last_state;
@@ -106,8 +114,6 @@ static void cpuidle_idle_call(void)
/* give the governor an opportunity to reflect on the outcome */
if (cpuidle_curr_governor->reflect)
cpuidle_curr_governor->reflect(dev);
- trace_power_end(smp_processor_id());
- trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
}
/**