FYI, we noticed the following commit:
commit: 26e500fe628e28f2e93d397014beeb9c213d91e9 ("selftests: mqueue: Use full path to run tests from Makefile")
https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git fixes
in testcase: kernel_selftests
with following parameters:
test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 64G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
2017-09-27 18:35:28 make run_tests -C mqueue
make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue'
gcc -O2 mq_open_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests
gcc -O2 mq_perf_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_perf_tests
/usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]"
/usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue//mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
Initial system state:
Using queue path: /test1
RLIMIT_MSGQUEUE(soft): 819200
RLIMIT_MSGQUEUE(hard): 819200
Maximum Message Size: 8192
Maximum Queue Size: 10
Default Message Size: 8192
Default Queue Size: 10
Adjusted system state for testing:
RLIMIT_MSGQUEUE(soft): 819200
RLIMIT_MSGQUEUE(hard): 819200
Maximum Message Size: 8192
Maximum Queue Size: 10
Default Message Size: 8192
Default Queue Size: 10
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Xiaolong
On 09/28/2017 01:58 AM, kernel test robot wrote:
>
> FYI, we noticed the following commit:
>
> commit: 26e500fe628e28f2e93d397014beeb9c213d91e9 ("selftests: mqueue: Use full path to run tests from Makefile")
> https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git fixes
>
> in testcase: kernel_selftests
> with following parameters:
>
>
> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 64G memory
>
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>
>
>
> 2017-09-27 18:35:28 make run_tests -C mqueue
> make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue'
> gcc -O2 mq_open_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests
> gcc -O2 mq_perf_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_perf_tests
> /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]"
> /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue//mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
>
> Initial system state:
> Using queue path: /test1
> RLIMIT_MSGQUEUE(soft): 819200
> RLIMIT_MSGQUEUE(hard): 819200
> Maximum Message Size: 8192
> Maximum Queue Size: 10
> Default Message Size: 8192
> Default Queue Size: 10
>
> Adjusted system state for testing:
> RLIMIT_MSGQUEUE(soft): 819200
> RLIMIT_MSGQUEUE(hard): 819200
> Maximum Message Size: 8192
> Maximum Queue Size: 10
> Default Message Size: 8192
> Default Queue Size: 10
>
>
Will you be able to send me the results without this change.
I am unable to figure out the difference.
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp install job.yaml # job file is attached in this email
> bin/lkp run job.yaml
>
>
>
> Thanks,
> Xiaolong
>
thanks,
-- Shuah
On 09/28/2017 09:15 AM, Shuah Khan wrote:
> On 09/28/2017 01:58 AM, kernel test robot wrote:
>>
>> FYI, we noticed the following commit:
>>
>> commit: 26e500fe628e28f2e93d397014beeb9c213d91e9 ("selftests: mqueue: Use full path to run tests from Makefile")
>> https://git.kernel.org/cgit/linux/kernel/git/shuah/linux-kselftest.git fixes
>>
>> in testcase: kernel_selftests
>> with following parameters:
>>
>>
>> test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel.
>> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>>
>>
>> on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 64G memory
>>
>> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
>>
>>
>>
>> 2017-09-27 18:35:28 make run_tests -C mqueue
>> make: Entering directory '/usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue'
>> gcc -O2 mq_open_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests
>> gcc -O2 mq_perf_tests.c -lrt -lpthread -lpopt -o /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_perf_tests
>> /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue/mq_open_tests /test1 || echo "selftests: mq_open_tests [FAIL]"
>> /usr/src/linux-selftests-x86_64-rhel-7.2-26e500fe628e28f2e93d397014beeb9c213d91e9/tools/testing/selftests/mqueue//mq_perf_tests || echo "selftests: mq_perf_tests [FAIL]"
>>
>> Initial system state:
>> Using queue path: /test1
>> RLIMIT_MSGQUEUE(soft): 819200
>> RLIMIT_MSGQUEUE(hard): 819200
>> Maximum Message Size: 8192
>> Maximum Queue Size: 10
>> Default Message Size: 8192
>> Default Queue Size: 10
>>
>> Adjusted system state for testing:
>> RLIMIT_MSGQUEUE(soft): 819200
>> RLIMIT_MSGQUEUE(hard): 819200
>> Maximum Message Size: 8192
>> Maximum Queue Size: 10
>> Default Message Size: 8192
>> Default Queue Size: 10
>>
>>
>
> Will you be able to send me the results without this change.
> I am unable to figure out the difference.
Ah I see. You are talking about the difference in the adjusted
system state. That is weird. The only change this patch makes
it the test path.
I will look into this further.
thanks,
-- Shuah