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| author | Kevin Hilman <khilman@linaro.org> | 2015-09-14 14:22:30 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-09-14 14:22:30 -0700 |
| commit | a143f427f3e7c6d80bc1d288334706a1f8237f5f (patch) | |
| tree | 59e96413cf2013afb70bfaaca5f89937d9d7ac20 /arch/x86/kernel/process.c | |
| parent | d9e292d3ea94ab21f028108527a908e415e856ef (diff) | |
| parent | f249a14dd1b6b341e7b5e29b64c0edae6e13b7f5 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-15.11-rtlsk-v4.1-15.10-rtlsk-v4.1-15.09-rt
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 6e338e3b1dc0..971743774248 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -453,6 +453,7 @@ static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c) static void mwait_idle(void) { if (!current_set_polling_and_test()) { + trace_cpu_idle_rcuidle(1, smp_processor_id()); if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) { smp_mb(); /* quirk */ clflush((void *)¤t_thread_info()->flags); @@ -464,6 +465,7 @@ static void mwait_idle(void) __sti_mwait(0, 0); else local_irq_enable(); + trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id()); } else { local_irq_enable(); } |