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| author | David S. Miller <davem@davemloft.net> | 2015-08-27 21:45:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-27 21:45:31 -0700 |
| commit | 0d36938bb82a7775c21ce0a7429f08ba13d025b6 (patch) | |
| tree | f502caf5555591ee237e14e5fa96b2c005a85036 /arch/x86/kernel/process.c | |
| parent | 55f14da66954083b621debbdbf62c7fc429291e8 (diff) | |
| parent | 4941b8f0c2b9d88e8a6dacebf8b7faf603b98368 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
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 397688beed4b..c27cad726765 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -408,6 +408,7 @@ 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); @@ -419,6 +420,7 @@ 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(); } |