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 <[EMAIL PROTECTED]>
---
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();
}
}
--
-
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