@@ -436,25 +436,25 @@
if (idx > constraint_idx)
idx = constraint_idx;
- if (!idx && prev_intercept_idx &&
- !(drv->states[0].flags & CPUIDLE_FLAG_POLLING)) {
+
+ if (!idx) {
/*
- * We have to query the sleep length here otherwise we don't
- * know after wakeup if our guess was correct.
+ * Skip the timers check if state 0 is the current candidate
+ * one because an immediate non-timer wakeup is expected then.
*/
- duration_ns = tick_nohz_get_sleep_length(&delta_tick);
- cpu_data->sleep_length_ns = duration_ns;
+ if (prev_intercept_idx &&
+ !(drv->states[0].flags & CPUIDLE_FLAG_POLLING)) {
+ /*
+ * Query the sleep length to be able to count the wakeup
+ * as a hit if it is caused by a timer.
+ */
+ duration_ns = tick_nohz_get_sleep_length(&delta_tick);
+ cpu_data->sleep_length_ns = duration_ns;
+ }
goto out_tick;
}
/*
- * Skip the timers check if state 0 is the current candidate one,
- * because an immediate non-timer wakeup is expected in that case.
- */
- if (!idx)
- goto out_tick;
-
- /*
* If state 0 is a polling one, check if the target residency of
* the current candidate state is low enough and skip the timers
* check in that case too.