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| author | Yi Yang <yi.y.yang@intel.com> | 2008-02-25 08:46:12 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-03-26 00:45:26 -0400 |
| commit | 8b78cf602fd3bd97c0080edd22fe8fd5d0fa7832 (patch) | |
| tree | e5f8d7f74c0c1dbd03af793e0b7cb8fb1c06ccdf /include/linux/cpuidle.h | |
| parent | 996520c1fdd2948addb629be56c9febf2967e02b (diff) | |
| download | op-kernel-dev-8b78cf602fd3bd97c0080edd22fe8fd5d0fa7832.zip op-kernel-dev-8b78cf602fd3bd97c0080edd22fe8fd5d0fa7832.tar.gz | |
cpuidle: fix cpuidle time and usage overflow
cpuidle C-state sysfs node time and usage are very easy to overflow because
they are all of unsigned int type, time will overflow within about two hours,
usage will take longer time to overflow, but they are increasing for ever.
This patch will convert them to unsigned long long.
Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/cpuidle.h')
| -rw-r--r-- | include/linux/cpuidle.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 6b72a45..51e6b1e 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -38,8 +38,8 @@ struct cpuidle_state { unsigned int power_usage; /* in mW */ unsigned int target_residency; /* in US */ - unsigned int usage; - unsigned int time; /* in US */ + unsigned long long usage; + unsigned long long time; /* in US */ int (*enter) (struct cpuidle_device *dev, struct cpuidle_state *state); |
