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runtime/pprof: failure in TestCPUProfileMultithreaded #36084
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CC @aclements @mknyszek in case this has to do with async preemption. |
I am not familiar with this platform's performance. Currently the test profiles for 100msec, and tries a couple of times as doubling the profile duration. Would it be helpful to use a longer duration? |
AIX might be a bit slow when handling signals like SIGPROF there. But the test seems to end up with a 3.2s duration (as seen with |
This hasn't occurred since 2020-04, I suspect because the tests are currently disabled by #45170.
2020-04-13T21:56:15-1b15c7f/aix-ppc64 |
Duplicate of #45170 |
2019-12-10T21:31:00-84540f0/aix-ppc64
This is the only occurrence I've seen so far, so I'm not sure if it's specific to AIX, PPC64, neither, or both.
CC @hyangah @Helflym @laboger
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