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| author |   Xiu Jianfeng <xiujianfeng@huawei.com> | 2024-04-18 12:30:12 +0000 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2024-04-18 06:00:58 -1000 |
| commit | c9169291befee6dfd243853b2075802f1ffd3392 (patch) | |
| tree | afa74bbc2c8c8e6cf7da404f14f312068e6d3d74 | |
| parent | cgroup: don't call cgroup1_pidlist_destroy_all() for v2 (diff) | |
| download | wireguard-linux-c9169291befee6dfd243853b2075802f1ffd3392.tar.xz wireguard-linux-c9169291befee6dfd243853b2075802f1ffd3392.zip | |
docs, cgroup: add entries for pids to cgroup-v2.rst
This patch add two entries (pids.peak and pids.events) for pids
controller, and also update pids.current because it's on non-root.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | Documentation/admin-guide/cgroup-v2.rst | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst index 23c600f0db32..e73e373297a0 100644 --- a/Documentation/admin-guide/cgroup-v2.rst +++ b/Documentation/admin-guide/cgroup-v2.rst @@ -2184,11 +2184,25 @@ PID Interface Files Hard limit of number of processes. pids.current - A read-only single value file which exists on all cgroups. + A read-only single value file which exists on non-root cgroups. The number of processes currently in the cgroup and its descendants. + pids.peak + A read-only single value file which exists on non-root cgroups. + + The maximum value that the number of processes in the cgroup and its + descendants has ever reached. + + pids.events + A read-only flat-keyed file which exists on non-root cgroups. The + following entries are defined. Unless specified otherwise, a value + change in this file generates a file modified event. + + max + Number of times fork failed because limit was hit. + Organisational operations are not blocked by cgroup policies, so it is possible to have pids.current > pids.max. This can be done by either setting the limit to be smaller than pids.current, or attaching enough |