Re: [LTP] [PATCH] add cgroup regression tests to LTP

[Li Z. <li...@cn...>]

Subrata Modak 写道:
> On Tue, 2009-04-21 at 13:45 +0800, Li Zefan wrote:
>> Those testcases can reproduce bugs we found in cgroups, and is useful
>> to track future regressions.
>>
>> Note: this test may crash the system with older kernels, so it is
>> disabled for kernels older than 2.6.29
>>
>> Another note: getdelays.c is linux-2.6/Documentation/accounting/getdelays.c
>>
>> How to run this test:
>> 	# runltp -f controllers
>>
>> Result:
>>
>> cgroup_regression_test    1  PASS  :  no kernel bug was found
>> cgroup_regression_test    2  PASS  :  notify_on_release is inherited
>> cgroup_regression_test    3  PASS  :  no kernel bug was found
>> cgroup_regression_test    4  PASS  :  no lockdep BUG was found
>> cgroup_regression_test    5  PASS  :  no kernel bug was found
>> cgroup_regression_test    6  PASS  :  no kernel bug was found
>> cgroup_regression_test    7  PASS  :  no kernel bug was found
>> cgroup_regression_test    8  PASS  :  no kernel bug was found
>> cgroup_regression_test    9  PASS  :  no kernel warning was found
>> cgroup_regression_test   10  PASS  :  no kernel warning was found
>>
>> Signed-off-by: Li Zefan <li...@cn...>
> 
> Thanks once again for these tests. I did a testing on the following
> machine before merging:
> 
> # uname -a
> Linux 2.6.29-5-default #1 SMP Tue Apr 21 20:04:44 IST 2009 x86_64 x86_64
> x86_64 GNU/Linux
> 
> with the following results:
> 
> <<<test_output>>>
> incrementing stop
> cgroup_regression_test    1  PASS  :  no kernel bug was found
> /root/subrata/ltp/ltp-intermediate-20090420/testcases/bin/cgroup_regression_test.sh: line 121: 13960 Terminated              ./fork_processes
> cgroup_regression_test    2  PASS  :  notify_on_release is inherited
> cgroup_regression_test    3  PASS  :  no kernel bug was found
> cgroup_regression_test    4  CONF  :  CONFIG_LOCKDEP is not enabled
> cgroup_regression_test    5  PASS  :  no kernel bug was found
> /root/subrata/ltp/ltp-intermediate-20090420/testcases/bin/cgroup_regression_test.sh: line 253:   503 Terminated              sleep 100
> /root/subrata/ltp/ltp-intermediate-20090420/testcases/bin/cgroup_regression_test.sh: line 308:   522 Terminated              ./test_6_2
> cgroup_regression_test    6  PASS  :  no kernel bug was found
> /root/subrata/ltp/ltp-intermediate-20090420/testcases/bin/cgroup_regression_test.sh: line 363:  3693 Terminated              sleep 100 < cgroup/0
> /root/subrata/ltp/ltp-intermediate-20090420/testcases/bin/cgroup_regression_test.sh: line 384:  3712 Terminated              sleep 100 < cgroup/0
> cgroup_regression_test    7  PASS  :  no kernel bug was found
> cgroup_regression_test    8  PASS  :  no kernel bug was found
> cgroup_regression_test    9  PASS  :  no kernel warning was found
> cgroup_regression_test   10  PASS  :  no kernel warning was found
> <<<execution_status>>>
> 
> However, i can see the following from the config file i used (attached):
> 
> # grep -i CONFIG_LOCKDEP config
> CONFIG_LOCKDEP_SUPPORT=y
> 

IIUC, CONFIG_LOCKDEP_SUPPORT=y means lockdep is supported by that
arch, and then you can enable CONFIG_LOCKDEP. ;)