From: Roman Gushchin <guro@fb.com>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Roman Gushchin <guroan@gmail.com>, Tejun Heo <tj@kernel.org>,
"Oleg Nesterov" <oleg@redhat.com>,
Kernel Team <Kernel-team@fb.com>,
"cgroups@vger.kernel.org" <cgroups@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
Shuah Khan <shuah@kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
"lkft-triage@lists.linaro.org" <lkft-triage@lists.linaro.org>
Subject: Re: [PATCH v10 6/9] kselftests: cgroup: add freezer controller self-tests
Date: Thu, 18 Jul 2019 18:19:10 +0000 [thread overview]
Message-ID: <20190718181904.GD6139@castle.dhcp.thefacebook.com> (raw)
In-Reply-To: <CA+G9fYt+UmakwaZAM4gR-B+V8kZUJVNh8gFBcXa4zU2j0Cz0ZQ@mail.gmail.com>
On Wed, Jul 17, 2019 at 02:26:49PM +0530, Naresh Kamboju wrote:
> Hi Roman,
>
> > The interaction between ptrace and freezer is complicated
> > (as ptrace in general),so there are known cases when spurious
> > cgroup transitions (frozen <-> non frozen <-> frozen ) can happen.
>
> When test ran for 8 times it got failed 5 times.
> I have noticed intermittent failure on x86_64, arm64 hikey device and
> qemu_arm64.
Oh, it wasn't nearly as bad when I ran it. I'll take a look.
>
> >
> > Does it create any difficulties? If so, I'll send a diff to ignore
> > the result of this test for now.
>
> No difficulties. I will mark this test case as known failure.
Sure.
Thanks!
next prev parent reply other threads:[~2019-07-18 18:19 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-05 17:46 [PATCH v10 0/9] freezer for cgroup v2 Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 1/9] cgroup: rename freezer.c into legacy_freezer.c Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 2/9] cgroup: implement __cgroup_task_count() helper Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 3/9] cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 4/9] cgroup: cgroup v2 freezer Roman Gushchin
2019-04-19 15:19 ` Oleg Nesterov
2019-04-19 16:08 ` Oleg Nesterov
2019-04-19 16:36 ` Roman Gushchin
2019-04-19 16:11 ` Roman Gushchin
2019-04-19 16:26 ` Oleg Nesterov
2019-04-19 16:56 ` Roman Gushchin
2019-04-20 10:58 ` Oleg Nesterov
2019-04-22 22:11 ` Roman Gushchin
2019-04-24 15:46 ` Oleg Nesterov
2019-04-24 22:06 ` Roman Gushchin
2019-04-26 17:40 ` Oleg Nesterov
2019-04-24 16:02 ` Oleg Nesterov
2019-04-24 22:10 ` Roman Gushchin
2019-04-26 17:30 ` Oleg Nesterov
2019-04-05 17:47 ` [PATCH v10 5/9] kselftests: cgroup: don't fail on cg_kill_all() error in cg_destroy() Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 6/9] kselftests: cgroup: add freezer controller self-tests Roman Gushchin
2019-07-16 14:48 ` Naresh Kamboju
2019-07-17 0:49 ` Roman Gushchin
2019-07-17 8:56 ` Naresh Kamboju
2019-07-18 18:19 ` Roman Gushchin [this message]
2019-04-05 17:47 ` [PATCH v10 7/9] cgroup: make TRACE_CGROUP_PATH irq-safe Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 8/9] cgroup: add tracing points for cgroup v2 freezer Roman Gushchin
2019-04-05 17:47 ` [PATCH v10 9/9] cgroup: document cgroup v2 freezer interface Roman Gushchin
2019-04-19 18:29 ` [PATCH v10 0/9] freezer for cgroup v2 Tejun Heo
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