From: Christian Brauner <brauner@kernel.org>
To: Tejun Heo <tj@kernel.org>, Roman Gushchin <guro@fb.com>
Cc: Shakeel Butt <shakeelb@google.com>,
Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
cgroups@vger.kernel.org, containers@lists.linux.dev,
Christian Brauner <christian.brauner@ubuntu.com>
Subject: [PATCH v2 3/5] tests/cgroup: use cgroup.kill in cg_killall()
Date: Mon, 3 May 2021 16:39:21 +0200 [thread overview]
Message-ID: <20210503143922.3093755-3-brauner@kernel.org> (raw)
In-Reply-To: <20210503143922.3093755-1-brauner@kernel.org>
From: Christian Brauner <christian.brauner@ubuntu.com>
If cgroup.kill file is supported make use of it.
Cc: Tejun Heo <tj@kernel.org>
Cc: cgroups@vger.kernel.org
Acked-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
/* v2 */
- Roman Gushchin <guro@fb.com>:
- Fix whitespace.
---
tools/testing/selftests/cgroup/cgroup_util.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index 027014662fb2..f60f7d764690 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -252,6 +252,10 @@ int cg_killall(const char *cgroup)
char buf[PAGE_SIZE];
char *ptr = buf;
+ /* If cgroup.kill exists use it. */
+ if (!cg_write(cgroup, "cgroup.kill", "1"))
+ return 0;
+
if (cg_read(cgroup, "cgroup.procs", buf, sizeof(buf)))
return -1;
--
2.27.0
next prev parent reply other threads:[~2021-05-03 14:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-03 14:39 [PATCH v2 1/5] cgroup: introduce cgroup.kill Christian Brauner
2021-05-03 14:39 ` [PATCH v2 2/5] docs/cgroup: add entry for cgroup.kill Christian Brauner
2021-05-05 16:29 ` Shakeel Butt
2021-05-03 14:39 ` Christian Brauner [this message]
2021-05-05 16:42 ` [PATCH v2 3/5] tests/cgroup: use cgroup.kill in cg_killall() Shakeel Butt
2021-05-03 14:39 ` [PATCH v2 4/5] tests/cgroup: move cg_wait_for(), cg_prepare_for_wait() Christian Brauner
2021-05-05 16:43 ` Shakeel Butt
2021-05-03 14:39 ` [PATCH v2 5/5] tests/cgroup: test cgroup.kill Christian Brauner
2021-05-05 18:34 ` Shakeel Butt
2021-05-05 18:52 ` Christian Brauner
2021-05-03 17:18 ` [PATCH v2 1/5] cgroup: introduce cgroup.kill Shakeel Butt
2021-05-04 1:47 ` Serge E. Hallyn
2021-05-04 18:29 ` Shakeel Butt
2021-05-05 17:57 ` Roman Gushchin
2021-05-05 18:46 ` Christian Brauner
2021-05-05 19:13 ` Roman Gushchin
2021-05-05 18:31 ` Eric W. Biederman
2021-05-05 18:49 ` Christian Brauner
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