X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fprocess.c;h=c27cad7267655c3794972344adf0b7924e38c138;hb=e43d0189ac02415fe4487f79fc35e8f147e9ea0d;hp=397688beed4be5ce7d9445d7847d44613d2d84b5;hpb=ebc90be6b9ccbdaccd93feaabef78b1c92870be2;p=linux-2.6-block.git 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(); }