diff options
Diffstat (limited to 'drivers/cpuidle/governors/ladder.c')
-rw-r--r-- | drivers/cpuidle/governors/ladder.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c index 401c0106ed34..63bd5a403e22 100644 --- a/drivers/cpuidle/governors/ladder.c +++ b/drivers/cpuidle/governors/ladder.c @@ -17,6 +17,7 @@ #include <linux/pm_qos.h> #include <linux/module.h> #include <linux/jiffies.h> +#include <linux/tick.h> #include <asm/io.h> #include <asm/uaccess.h> @@ -184,6 +185,14 @@ static struct cpuidle_governor ladder_governor = { */ static int __init init_ladder(void) { + /* + * When NO_HZ is disabled, or when booting with nohz=off, the ladder + * governor is better so give it a higher rating than the menu + * governor. + */ + if (!tick_nohz_enabled) + ladder_governor.rating = 25; + return cpuidle_register_governor(&ladder_governor); } |