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authorHuaixin Chang2021-08-30 11:22:15 +0800
committerPeter Zijlstra2021-10-05 15:51:41 +0200
commitd73df887b6b8174dfbb7f5f878fbd1e0e2eb3f08 (patch)
tree0904e43afd78cef8cec7e2dd5fb45bf07b652917 /Documentation/admin-guide/cgroup-v2.rst
parentbcb1704a1ed2de580a46f28922e223a65f16e0f5 (diff)
sched/fair: Add document for burstable CFS bandwidth
Basic description of usage and effect for CFS Bandwidth Control Burst. Co-developed-by: Shanpei Chen <shanpeic@linux.alibaba.com> Signed-off-by: Shanpei Chen <shanpeic@linux.alibaba.com> Co-developed-by: Tianchen Ding <dtcccc@linux.alibaba.com> Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com> Signed-off-by: Huaixin Chang <changhuaixin@linux.alibaba.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20210830032215.16302-3-changhuaixin@linux.alibaba.com
Diffstat (limited to 'Documentation/admin-guide/cgroup-v2.rst')
-rw-r--r--Documentation/admin-guide/cgroup-v2.rst8
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diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index babbe04c8d37..d5b0e8aa043a 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1016,6 +1016,8 @@ All time durations are in microseconds.
- nr_periods
- nr_throttled
- throttled_usec
+ - nr_bursts
+ - burst_usec
cpu.weight
A read-write single value file which exists on non-root
@@ -1047,6 +1049,12 @@ All time durations are in microseconds.
$PERIOD duration. "max" for $MAX indicates no limit. If only
one number is written, $MAX is updated.
+ cpu.max.burst
+ A read-write single value file which exists on non-root
+ cgroups. The default is "0".
+
+ The burst in the range [0, $MAX].
+
cpu.pressure
A read-write nested-keyed file.