Add trace functions to ARM idle loop and also move the tick_nohz_restart_sched_tick() after the local_irq_disable() as is done on x86. Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx> --- arch/arm/kernel/process.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: linux-2.6/arch/arm/kernel/process.c =================================================================== --- linux-2.6.orig/arch/arm/kernel/process.c +++ linux-2.6/arch/arm/kernel/process.c @@ -165,11 +165,13 @@ void cpu_idle(void) while (!need_resched() && !need_resched_delayed()) idle(); leds_event(led_idle_end); - tick_nohz_restart_sched_tick(); local_irq_disable(); + trace_preempt_exit_idle(); + tick_nohz_restart_sched_tick(); __preempt_enable_no_resched(); __schedule(); preempt_disable(); + trace_preempt_enter_idle(); local_irq_enable(); } } -- - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
