The commit is pushed to "branch-rh9-5.14.0-362.18.1.vz9.40.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh9-5.14.0-362.18.1.vz9.40.3
------>
commit ec2a4a903eef0bd955415304910c405c3edd9daa
Author: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
Date: Fri Mar 22 12:48:46 2024 +0800
cpuacct: implicitly enable cpuacct controller in cgroup-v2
This way the cpuacct controller is transparent to userspace but can be
used to track cgroup cpu usages per-cpu, in next patch we will show
those usages in cpu.proc.stat file.
Notes:
- In case cpuacct is mounted in cgroup-v1 we won't have it in cgroup-v2.
- We also make this cgroup threaded to be able to make it implicit on
default hierarchy. There should not be any problem as each thread
accounts separately anyway.
https://virtuozzo.atlassian.net/browse/PSBM-154206
Signed-off-by: Pavel Tikhomirov <ptikhomi...@virtuozzo.com>
Feature: sched: emulate virtual cpus for Containers
---
kernel/sched/cpuacct.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index 37c102354522..55dfd37567d8 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -362,6 +362,9 @@ struct cgroup_subsys cpuacct_cgrp_subsys = {
.css_free = cpuacct_css_free,
.legacy_cftypes = files,
.early_init = true,
+
+ .implicit_on_dfl = true,
+ .threaded = true,
};
extern struct task_group *css_tg(struct cgroup_subsys_state *css);
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