RFR: JDK-8030957 - AIX: Implement OperatingSystemMXBean.getSystemCpuLoad() and .getProcessCpuLoad() on AIX [v4]

[Thomas Stuefe]

On Wed, 6 Aug 2025 15:08:18 GMT, Suchismith Roy <sroy at openjdk.org> wrote:

>> JBS Issue : [JDK-8030957](https://bugs.openjdk.org/browse/JDK-8030957)
>> 
>> These two methods should be implemented in src/aix/native/sun/management/AixOperatingSystem.c (which has to be created).
>> 
>> getProcessCpuLoad() can be probably implemented in the same way like on Solaris be reading /proc/self/psinfo
>> 
>> For getSystemCpuLoad() we'll probalby have to use 'perfstat_cpu_total()' from libperf (see http://publib.boulder.ibm.com/infocenter/pseries/v5r3/topic/com.ibm.aix.prftools/doc/prftools/prftools07.htm#wq407)
>> 
>> Once this issue has been resolved you should not forget to remove the two excludes from jdk/test/ProblemList.txt:
>> 
>> com/sun/management/OperatingSystemMXBean/GetProcessCpuLoad.java aix-all
>> com/sun/management/OperatingSystemMXBean/GetSystemCpuLoad.java aix-all
>
> Suchismith Roy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update ProblemList.txt

> Once this issue has been resolved you should not forget to remove the two excludes from jdk/test/ProblemList.txt:
> 

Who? me? Other Reviewers? Strange PR description ;-)

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PR Comment: https://git.openjdk.org/jdk/pull/25332#issuecomment-3162562129