The __cpuidle functions will become a noinstr class, as such they need explicit annotations. Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> --- drivers/cpuidle/poll_state.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/cpuidle/poll_state.c +++ b/drivers/cpuidle/poll_state.c @@ -13,7 +13,10 @@ static int __cpuidle poll_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - u64 time_start = local_clock(); + u64 time_start; + + instrumentation_begin(); + time_start = local_clock(); dev->poll_time_limit = false; @@ -39,6 +42,7 @@ static int __cpuidle poll_idle(struct cp raw_local_irq_disable(); current_clr_polling(); + instrumentation_end(); return index; }