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| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-09-27 15:59:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-28 12:48:15 +0200 |
| commit | 5e58808871c1ed9a209bdd38be2b850941ee3aee (patch) | |
| tree | 4380192ca09bdb3f94ab21fc8ab7c98e42c0b821 | |
| parent | ABI: sysfs-kernel-slab: Document some stats (diff) | |
| download | linux-5e58808871c1ed9a209bdd38be2b850941ee3aee.tar.xz linux-5e58808871c1ed9a209bdd38be2b850941ee3aee.zip | |
ABI: sysfs-devices-power: add some debug sysfs files
Those files were added back in Apr 2010, but there's no
documentation for them yet.
Fixes: c92445fadb91 ("PM / Runtime: Add sysfs debug files")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/df6c3ae0ffc2dddf73d7a5baf696a4aa260fb576.1632750608.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-power | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-power b/Documentation/ABI/testing/sysfs-devices-power index 84694b8fec8e..1b2a2d41ff80 100644 --- a/Documentation/ABI/testing/sysfs-devices-power +++ b/Documentation/ABI/testing/sysfs-devices-power @@ -283,3 +283,25 @@ Contact: Arjan van de Ven <arjan@linux.intel.com> Description: Reports total time that the device has been suspended. Used for runtime PM statistics. + +What: /sys/devices/.../power/runtime_usage +Date: Apr 2010 +Contact: Dominik Brodowski <linux@dominikbrodowski.net> +Description: + Reports the runtime PM usage count of a device. + +What: /sys/devices/.../power/runtime_enabled +Date: Apr 2010 +Contact: Dominik Brodowski <linux@dominikbrodowski.net> +Description: + Is runtime PM enabled for this device? + States are "enabled", "disabled", "forbidden" or a + combination of the latter two. + +What: /sys/devices/.../power/runtime_active_kids +Date: Apr 2010 +Contact: Dominik Brodowski <linux@dominikbrodowski.net> +Description: + Reports the runtime PM children usage count of a device, or + 0 if the the children will be ignored. + |