diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-power')
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-power | 53 |
1 files changed, 46 insertions, 7 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-power b/Documentation/ABI/testing/sysfs-devices-power index 8ffbc25376a0..45000f0db4d4 100644 --- a/Documentation/ABI/testing/sysfs-devices-power +++ b/Documentation/ABI/testing/sysfs-devices-power @@ -96,16 +96,26 @@ Description: is read-only. If the device is not enabled to wake up the system from sleep states, this attribute is not present. -What: /sys/devices/.../power/wakeup_hit_count -Date: September 2010 +What: /sys/devices/.../power/wakeup_abort_count +Date: February 2012 Contact: Rafael J. Wysocki <rjw@sisk.pl> Description: - The /sys/devices/.../wakeup_hit_count attribute contains the + The /sys/devices/.../wakeup_abort_count attribute contains the number of times the processing of a wakeup event associated with - the device might prevent the system from entering a sleep state. - This attribute is read-only. If the device is not enabled to - wake up the system from sleep states, this attribute is not - present. + the device might have aborted system transition into a sleep + state in progress. This attribute is read-only. If the device + is not enabled to wake up the system from sleep states, this + attribute is not present. + +What: /sys/devices/.../power/wakeup_expire_count +Date: February 2012 +Contact: Rafael J. Wysocki <rjw@sisk.pl> +Description: + The /sys/devices/.../wakeup_expire_count attribute contains the + number of times a wakeup event associated with the device has + been reported with a timeout that expired. This attribute is + read-only. If the device is not enabled to wake up the system + from sleep states, this attribute is not present. What: /sys/devices/.../power/wakeup_active Date: September 2010 @@ -148,6 +158,17 @@ Description: not enabled to wake up the system from sleep states, this attribute is not present. +What: /sys/devices/.../power/wakeup_prevent_sleep_time_ms +Date: February 2012 +Contact: Rafael J. Wysocki <rjw@sisk.pl> +Description: + The /sys/devices/.../wakeup_prevent_sleep_time_ms attribute + contains the total time the device has been preventing + opportunistic transitions to sleep states from occuring. + This attribute is read-only. If the device is not enabled to + wake up the system from sleep states, this attribute is not + present. + What: /sys/devices/.../power/autosuspend_delay_ms Date: September 2010 Contact: Alan Stern <stern@rowland.harvard.edu> @@ -165,3 +186,21 @@ Description: Not all drivers support this attribute. If it isn't supported, attempts to read or write it will yield I/O errors. + +What: /sys/devices/.../power/pm_qos_latency_us +Date: March 2012 +Contact: Rafael J. Wysocki <rjw@sisk.pl> +Description: + The /sys/devices/.../power/pm_qos_resume_latency_us attribute + contains the PM QoS resume latency limit for the given device, + which is the maximum allowed time it can take to resume the + device, after it has been suspended at run time, from a resume + request to the moment the device will be ready to process I/O, + in microseconds. If it is equal to 0, however, this means that + the PM QoS resume latency may be arbitrary. + + Not all drivers support this attribute. If it isn't supported, + it is not present. + + This attribute has no effect on system-wide suspend/resume and + hibernation. |