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authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2008-08-04 11:59:11 -0700
committerDave Jones <davej@redhat.com>2008-10-09 13:52:44 -0400
commit8083e4ad970e4eb567e31037060cdd4ba346f0c0 (patch)
tree330e6dc1dbb7c7db13d14f3681d4a51f62708329 /include/linux/tick.h
parente9d95bf7eb929b9ddc9af9f4327b76c77ed4c7d6 (diff)
[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.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 8cf8cfe2cc9..98921a3e1aa 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