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-rw-r--r--drivers/cpuidle/governors/menu.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 351697305fe7..f1fadbecfa1b 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -228,14 +228,6 @@ again:
do_div(stddev, divisor);
stddev = int_sqrt(stddev);
/*
- * If we have outliers to the upside in our distribution, discard
- * those by setting the threshold to exclude these outliers, then
- * calculate the average and standard deviation again. Once we get
- * down to the bottom 3/4 of our samples, stop excluding samples.
- *
- * This can deal with workloads that have long pauses interspersed
- * with sporadic activity with a bunch of short pauses.
- *
* The typical interval is obtained when standard deviation is small
* or standard deviation is small compared to the average interval.
*
@@ -246,12 +238,22 @@ again:
if (data->expected_us > avg)
data->predicted_us = avg;
return;
-
- } else if ((divisor * 4) > INTERVALS * 3) {
- /* Exclude the max interval */
- thresh = max - 1;
- goto again;
}
+
+ /*
+ * If we have outliers to the upside in our distribution, discard
+ * those by setting the threshold to exclude these outliers, then
+ * calculate the average and standard deviation again. Once we get
+ * down to the bottom 3/4 of our samples, stop excluding samples.
+ *
+ * This can deal with workloads that have long pauses interspersed
+ * with sporadic activity with a bunch of short pauses.
+ */
+ if ((divisor * 4) <= INTERVALS * 3)
+ return;
+
+ thresh = max - 1;
+ goto again;
}
/**