arm64: add cpu_idle tracepoints to arch_cpu_idle

[cascardo/linux.git] / arch / arm64 / kernel / process.c

diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 223b093..f75b540 100644 (file)
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -44,6 +44,7 @@
 #include <linux/hw_breakpoint.h>
 #include <linux/personality.h>
 #include <linux/notifier.h>
+#include <trace/events/power.h>
 
 #include <asm/compat.h>
 #include <asm/cacheflush.h>
@@ -75,8 +76,10 @@ void arch_cpu_idle(void)
         * This should do all the clock switching and wait for interrupt
         * tricks
         */
+       trace_cpu_idle_rcuidle(1, smp_processor_id());
        cpu_do_idle();
        local_irq_enable();
+       trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
 }
 
 #ifdef CONFIG_HOTPLUG_CPU