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runtime/pprof: TestCPUProfileMultithreaded is flaky #6522

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lexprfuncall opened this issue Oct 1, 2013 · 5 comments
Closed

runtime/pprof: TestCPUProfileMultithreaded is flaky #6522

lexprfuncall opened this issue Oct 1, 2013 · 5 comments
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@lexprfuncall
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I get the following test failures somewhat regularly on my 16 core, 32 thread Linux
machine

--- FAIL: TestCPUProfileMultithreaded (0.69 seconds)
        pprof_test.go:129: crc32.ChecksumIEEE: 10
        pprof_test.go:129: crc32.Update: 58
        pprof_test.go:139: crc32.ChecksumIEEE has 10 samples out of 68, want at least 11, ideally 34

The numbers following crc32.ChecksumIEEE and crc32.Update vary somewhat but the error is
the same.
@lexprfuncall
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Comment 1:

For what it's worth, I have observed this failure with 8g and 6g though the failure is
more frequent with 6g.

@rsc
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rsc commented Nov 27, 2013

Comment 2:

Labels changed: added go1.3maybe.

@rsc
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rsc commented Dec 4, 2013

Comment 3:

Labels changed: added release-none, removed go1.3maybe.

@rsc
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rsc commented Dec 4, 2013

Comment 4:

Labels changed: added repo-main.

@rsc
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rsc commented Apr 2, 2014

Comment 5:

Status changed to Fixed.

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@rsc @lexprfuncall @gopherbot