linux-kernel - Re: [PATCH] selftests/mqueue: Set timeout to 100 seconds

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Message-ID: <ee8b746b-aee9-43d8-949b-62017fe0bca0@amazon.com>
Date: Mon, 19 Feb 2024 14:01:06 +0000
From: "Mohamed Abuelfotoh, Hazem" <abuehaze@...zon.com>
To: SeongJae Park <sj@...nel.org>, Kees Cook <keescook@...omium.org>
CC: <shuah@...nel.org>, <linux-kselftest@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>,
	<Vijaikumar_Kanagarajan@...tor.com>, <brauner@...nel.org>,
	<jlayton@...nel.org>, <jack@...e.cz>
Subject: Re: [PATCH] selftests/mqueue: Set timeout to 100 seconds

On 17/02/2024 00:31, SeongJae Park wrote:
> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.
> 
> 
> 
> On Fri, 16 Feb 2024 16:01:20 -0800 Kees Cook <keescook@...omium.org> wrote:
> 
>> On Wed, Feb 14, 2024 at 05:13:09PM -0800, SeongJae Park wrote:
>>> A gentle reminder.
>>>
>>>
>>> Thanks,
>>> SJ
>>>
>>> On Fri, 9 Feb 2024 09:42:43 -0800 SeongJae Park <sj@...nel.org> wrote:
>>>
>>>> On Fri, 9 Feb 2024 10:30:38 +0000 "Mohamed Abuelfotoh, Hazem" <abuehaze@...zon.com> wrote:
>>>>
>>>>> On 08/02/2024 21:29, SeongJae Park wrote:
>>>>>> CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you can confirm the sender and know the content is safe.
>>>>>>
>>>>>>
>>>>>>
>>>>>> While mq_perf_tests runs with the default kselftest timeout limit, which
>>>>>> is 45 seconds, the test takes about 60 seconds to complete on i3.metal
>>>>>> AWS instances.  Hence, the test always times out.  Increase the timeout
>>>>>> to 100 seconds.
>>>>>>
>>>>>> Fixes: 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test")
>>>>>> Cc: <stable@...r.kernel.org> # 5.4.x
>>>>>> Signed-off-by: SeongJae Park <sj@...nel.org>
>>>>>> ---
>>>>>>    tools/testing/selftests/mqueue/setting | 1 +
>>>>>>    1 file changed, 1 insertion(+)
>>>>>>    create mode 100644 tools/testing/selftests/mqueue/setting
>>>>>>
>>>>>> diff --git a/tools/testing/selftests/mqueue/setting b/tools/testing/selftests/mqueue/setting
>>>>>> new file mode 100644
>>>>>> index 000000000000..54dc12287839
>>>>>> --- /dev/null
>>>>>> +++ b/tools/testing/selftests/mqueue/setting
>>>>>> @@ -0,0 +1 @@
>>>>>> +timeout=100
>>>>>> --
>>>>>> 2.39.2
>>>>>>
>>>>>>
>>>>>
>>>>> Added Vijai Kumar to CC
>>>>>
>>>>> This looks similar to [PATCH] kselftest: mqueue: increase timeout
>>>>> https://lore.kernel.org/lkml/20220622085911.2292509-1-Vijaikumar_Kanagarajan@mentor.com/T/#r12820aede6bba015b70ae33323e29ae27d5b69c7
>>>>> which was increasing the timeout to 180 however it's not clear why this
>>>>> hasn't been merged yet.
>>
>> Should it be 100 or 180?
Both options may work, I am more inclined to have this as 180 seconds by 
giving more time for the test to finish, this can be reduced later to 
100 or something else if we start hearing complains about the new timeout.

Hazem
> 
> As mentioned on the previous mail[1], either values are good to me :)
> 
> [1] https://lore.kernel.org/r/20240215011309.73168-1-sj@kernel.org
> 
>> Either way:
>>
>> Reviewed-by: Kees Cook <keescook@...omium.org>
> 
> Thank you!
> 
> 
> Thanks,
> SJ
> 
>>
>> --
>> Kees Cook
>>