diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 7 | ||||
| -rw-r--r-- | Documentation/admin-guide/pm/cpuidle.rst | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 73318225a368..9605dbd4b5b5 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -145,6 +145,8 @@ What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/name /sys/devices/system/cpu/cpuX/cpuidle/stateN/power /sys/devices/system/cpu/cpuX/cpuidle/stateN/time /sys/devices/system/cpu/cpuX/cpuidle/stateN/usage + /sys/devices/system/cpu/cpuX/cpuidle/stateN/above + /sys/devices/system/cpu/cpuX/cpuidle/stateN/below Date: September 2007 KernelVersion: v2.6.24 Contact: Linux power management list <linux-pm@vger.kernel.org> @@ -166,6 +168,11 @@ Description: usage: (RO) Number of times this state was entered (a count). + above: (RO) Number of times this state was entered, but the + observed CPU idle duration was too short for it (a count). + + below: (RO) Number of times this state was entered, but the + observed CPU idle duration was too long for it (a count). What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/desc Date: February 2008 diff --git a/Documentation/admin-guide/pm/cpuidle.rst b/Documentation/admin-guide/pm/cpuidle.rst index 9a34484fd6e4..106379e2619f 100644 --- a/Documentation/admin-guide/pm/cpuidle.rst +++ b/Documentation/admin-guide/pm/cpuidle.rst @@ -398,6 +398,16 @@ deeper the (effective) idle state represented by it. Each of them contains a number of files (attributes) representing the properties of the idle state object corresponding to it, as follows: +``above`` + Total number of times this idle state had been asked for, but the + observed idle duration was certainly too short to match its target + residency. + +``below`` + Total number of times this idle state had been asked for, but cerainly + a deeper idle state would have been a better match for the observed idle + duration. + ``desc`` Description of the idle state. |