diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 25 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-power | 14 |
2 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 4ed63b6cfb15..025b7cf3768d 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -198,6 +198,31 @@ Description: time (in microseconds) this cpu should spend in this idle state to make the transition worth the effort. +What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/ +Date: March 2018 +KernelVersion: v4.17 +Contact: Linux power management list <linux-pm@vger.kernel.org> +Description: + Idle state usage statistics related to suspend-to-idle. + + This attribute group is only present for states that can be + used in suspend-to-idle with suspended timekeeping. + +What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/time +Date: March 2018 +KernelVersion: v4.17 +Contact: Linux power management list <linux-pm@vger.kernel.org> +Description: + Total time spent by the CPU in suspend-to-idle (with scheduler + tick suspended) after requesting this state. + +What: /sys/devices/system/cpu/cpuX/cpuidle/stateN/s2idle/usage +Date: March 2018 +KernelVersion: v4.17 +Contact: Linux power management list <linux-pm@vger.kernel.org> +Description: + Total number of times this state has been requested by the CPU + while entering suspend-to-idle. What: /sys/devices/system/cpu/cpu#/cpufreq/* Date: pre-git history diff --git a/Documentation/ABI/testing/sysfs-power b/Documentation/ABI/testing/sysfs-power index 1e0d1dac706b..2f813d644c69 100644 --- a/Documentation/ABI/testing/sysfs-power +++ b/Documentation/ABI/testing/sysfs-power @@ -287,3 +287,17 @@ Description: Writing a "1" to this file enables the debug messages and writing a "0" (default) to it disables them. Reads from this file return the current value. + +What: /sys/power/resume_offset +Date: April 2018 +Contact: Mario Limonciello <mario.limonciello@dell.com> +Description: + This file is used for telling the kernel an offset into a disk + to use when hibernating the system such as with a swap file. + + Reads from this file will display the current offset + the kernel will be using on the next hibernation + attempt. + + Using this sysfs file will override any values that were + set using the kernel command line for disk offset.
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