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| author |   venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com> | 2008-08-04 11:59:11 -0700 |
|---|---|---|
| committer |   Dave Jones <davej@redhat.com> | 2008-10-09 13:52:44 -0400 |
| commit | 8083e4ad970e4eb567e31037060cdd4ba346f0c0 (patch) | |
| tree | 330e6dc1dbb7c7db13d14f3681d4a51f62708329 /include/linux/tick.h | |
| parent | [CPUFREQ][4/6] cpufreq_ondemand: Parameterize down differential (diff) | |
| download | linux-dev-8083e4ad970e4eb567e31037060cdd4ba346f0c0.tar.xz linux-dev-8083e4ad970e4eb567e31037060cdd4ba346f0c0.zip | |
[CPUFREQ][5/6] cpufreq: Changes to get_cpu_idle_time_us(), used by ondemand governor
export get_cpu_idle_time_us() for it to be used in ondemand governor.
Last update time can be current time when the CPU is currently non-idle,
accounting for the busy time since last idle.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/tick.h')
| -rw-r--r-- | include/linux/tick.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h index 8cf8cfe2cc97..98921a3e1aa8 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -126,7 +126,7 @@ static inline ktime_t tick_nohz_get_sleep_length(void) return len; } static inline void tick_nohz_stop_idle(int cpu) { } -static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return 0; } +static inline u64 get_cpu_idle_time_us(int cpu, u64 *unused) { return -1; } # endif /* !NO_HZ */ #endif |