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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-29 11:54:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-12-29 11:54:15 -0800 |
| commit | 61233580f1f33c50e159c50e24d80ffd2ba2e06b (patch) | |
| tree | 5f24b18f2a1178e3c022b59e439bd66680b56717 /include/linux | |
| parent | 2758b3e3e630ba304fc4aca434d591e70e528298 (diff) | |
| parent | 466a2b42d67644447a1765276259a3ea5531ddff (diff) | |
Merge tag 'pm-4.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"This fixes a schedutil cpufreq governor regression from the 4.14 cycle
that may cause a CPU idleness check to return incorrect results in
some cases which leads to suboptimal decisions (Joel Fernandes)"
* tag 'pm-4.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: schedutil: Use idle_calls counter of the remote CPU
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/tick.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h index f442d1a42025..7cc35921218e 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -119,6 +119,7 @@ extern void tick_nohz_idle_exit(void); extern void tick_nohz_irq_exit(void); extern ktime_t tick_nohz_get_sleep_length(void); extern unsigned long tick_nohz_get_idle_calls(void); +extern unsigned long tick_nohz_get_idle_calls_cpu(int cpu); extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time); extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time); #else /* !CONFIG_NO_HZ_COMMON */ |