Messages in this thread Patch in this message | | | From | Kohei Tarumizu <> | Subject | [PATCH] docs: document the sysfs ABI for "nohz_full" and "isolated" | Date | Wed, 1 Dec 2021 16:18:52 +0900 |
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Add missing documentation of sysfs ABI for "nohz_full" and "isolated". "nohz_full" was added by commit 6570a9a1ce3a("show nohz_full cpus in sysfs") and "isolated" was added by commit 59f30abe94bf("show isolated cpus in sysfs"). However, there is no documentation for these interface.
Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com> --- Documentation/ABI/testing/sysfs-devices-system-cpu | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 69c65da16dff..a9d5d87b6a41 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -666,3 +666,16 @@ Description: Preferred MTE tag checking mode ================ ============================================== See also: Documentation/arm64/memory-tagging-extension.rst + +What: /sys/devices/system/cpu/nohz_full + /sys/devices/system/cpu/isolated +Date: Apr 2015 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: information about CPU isolation. + + nohz_full: (RO) the list of CPUs that are in nohz_full mode. + These CPUs are set by boot parameter "nohz_full=". + + isolated: (RO) the list of CPUs that are isolated and don't + participate in load balancing. These CPUs are set by + boot parameter "isolcpus=". -- 2.27.0
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