diff options
Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 68a16827f45f..0003e9a02637 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -131,6 +131,10 @@ int cpuidle_find_deepest_state(struct cpuidle_driver *drv, static void enter_s2idle_proper(struct cpuidle_driver *drv, struct cpuidle_device *dev, int index) { + ktime_t time_start, time_end; + + time_start = ns_to_ktime(local_clock()); + /* * trace_suspend_resume() called by tick_freeze() for the last CPU * executing it contains RCU usage regarded as invalid in the idle @@ -152,6 +156,11 @@ static void enter_s2idle_proper(struct cpuidle_driver *drv, */ RCU_NONIDLE(tick_unfreeze()); start_critical_timings(); + + time_end = ns_to_ktime(local_clock()); + + dev->states_usage[index].s2idle_time += ktime_us_delta(time_end, time_start); + dev->states_usage[index].s2idle_usage++; } /** |