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author | Christian Brauner <christian.brauner@ubuntu.com> | 2021-05-08 14:15:40 +0200 |
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committer | Tejun Heo <tj@kernel.org> | 2021-05-10 16:41:10 +0200 |
commit | 0de3103fa2cf9ed07cfde3e4fd578ead5de52047 (patch) | |
tree | 64fee5c87944904ab92c7f1a771d235f9685b226 /tools/testing/selftests/cgroup/cgroup_util.c | |
parent | docs/cgroup: add entry for cgroup.kill (diff) | |
download | linux-0de3103fa2cf9ed07cfde3e4fd578ead5de52047.tar.xz linux-0de3103fa2cf9ed07cfde3e4fd578ead5de52047.zip |
tests/cgroup: use cgroup.kill in cg_killall()
If cgroup.kill file is supported make use of it.
Link: https://lore.kernel.org/r/20210503143922.3093755-3-brauner@kernel.org
Cc: Tejun Heo <tj@kernel.org>
Cc: cgroups@vger.kernel.org
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/cgroup/cgroup_util.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; |