RFR: JDK-8289146: containers/docker/TestMemoryWithCgroupV1.java fails on linux ppc64le machine with missing Memory and Swap Limit output [v2]

[Matthias Baesken]

On Mon, 4 Jul 2022 12:09:48 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> On Linux ppc64le machines , the test fails with
>> 
>>  stderr: [WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
>> ]
>>  exitValue = 0
>> 
>> java.lang.RuntimeException: 'Memory and Swap Limit is: 157286400' missing from stdout/stderr
>> 
>> at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:221)
>> at TestMemoryWithCgroupV1.testMemoryLimitWithSwappiness(TestMemoryWithCgroupV1.java:84)
>> at TestMemoryWithCgroupV1.main(TestMemoryWithCgroupV1.java:61)
>> at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
>> at java.base/java.lang.reflect.Method.invoke(Method.java:578)
>> at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
>> at java.base/java.lang.Thread.run(Thread.java:1596)
>> 
>> This is most likely related to "kernel does not support swap limit capabilities",
>> we've seen similar issues on other Linux ppc64 le machines in some tests before.
>> So there needs to be some special handling added to the test for the case without kernel swap limit capabilities.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add warning about cgroup_enable=memory swapaccount

I adjusted the warning output, hopefully it is clearer now.

-------------

PR: https://git.openjdk.org/jdk/pull/9319