diff options
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/governors/teo.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c index ecbcfaefb0cd..b33418f5df70 100644 --- a/drivers/cpuidle/governors/teo.c +++ b/drivers/cpuidle/governors/teo.c @@ -130,7 +130,14 @@ static void teo_update(struct cpuidle_driver *drv, struct cpuidle_device *dev) } else { u64 lat_ns = drv->states[dev->last_state_idx].exit_latency_ns; - measured_ns = cpu_data->time_span_ns; + /* + * The computations below are to determine whether or not the + * (saved) time till the next timer event and the measured idle + * duration fall into the same "bin", so use last_residency_ns + * for that instead of time_span_ns which includes the cpuidle + * overhead. + */ + measured_ns = dev->last_residency_ns; /* * The delay between the wakeup and the first instruction * executed by the CPU is not likely to be worst-case every |