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 <[email protected]>
---
Documentation/admin-guide/cgroup-v2.rst | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index d8b00f0ea96d..6f6fe744452e 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -2188,11 +2188,25 @@ 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
--
2.34.1
(cc'ing Michal for potential conflict in the pids controller documentation)
On Thu, Apr 18, 2024 at 12:30:12PM +0000, Xiu Jianfeng wrote:
> 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 <[email protected]>
Applied to cgroup/for-6.10.
Thanks.
--
tejun