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runtime/pprof: TestCPUProfileMultithreaded is flaky in android/arm #10289

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hyangah opened this issue Mar 30, 2015 · 1 comment
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runtime/pprof: TestCPUProfileMultithreaded is flaky in android/arm #10289

hyangah opened this issue Mar 30, 2015 · 1 comment

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@hyangah
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hyangah commented Mar 30, 2015

Note that the number of samples the test observed is small small (18 samples) compared to the test execution time (0.49s). The expected CPU sampling rate is 100Hz.


http://build.golang.org/log/790f12ebfd076cb47d01055b7ee138b6d40be2b1

go_android_exec: adb shell mkdir -p /data/local/tmp/pprof.test-23878
go_android_exec: adb push /tmp/go-build624543768/runtime/pprof/_test/pprof.test /data/local/tmp/pprof.test-23878/pprof.test-23878-tmp
217 KB/s (3129500 bytes in 14.033s)
go_android_exec: adb shell cp '/data/local/tmp/pprof.test-23878/pprof.test-23878-tmp' '/data/local/tmp/pprof.test-23878/pprof.test-23878'
go_android_exec: adb shell rm '/data/local/tmp/pprof.test-23878/pprof.test-23878-tmp'
go_android_exec: adb shell export TMPDIR="/data/local/tmp/pprof.test-23878"; export GOROOT="/data/local/tmp/goroot"; export GOPATH="/data/local/tmp/gopath"; cd "/data/local/tmp/goroot/src/runtime/pprof"; '/data/local/tmp/pprof.test-23878/pprof.test-23878' -test.short=true -test.timeout=4m0s; echo -n exitcode=$?
--- FAIL: TestCPUProfileMultithreaded (0.49s)
pprof_test.go:161: total 18 CPU profile samples collected
pprof_test.go:170: runtime/pprof_test.cpuHog1: 0
pprof_test.go:170: runtime/pprof_test.cpuHog2: 18
pprof_test.go:184: runtime/pprof_test.cpuHog1 has 0 samples out of 18, want at least 1, ideally 9
FAIL
exitcode=1go_android_exec: adb shell rm -rf /data/local/tmp/pprof.test-23878

@rsc rsc added this to the Go1.5Maybe milestone Apr 10, 2015
@hyangah
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hyangah commented Apr 21, 2015

duplicate of #9605.

@hyangah hyangah closed this as completed Apr 21, 2015
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