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test: locklinear.go panic in lockmany on illumos-amd64-joyent builder #32986

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bcmills opened this issue Jul 8, 2019 · 3 comments
Open

test: locklinear.go panic in lockmany on illumos-amd64-joyent builder #32986

bcmills opened this issue Jul 8, 2019 · 3 comments

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@bcmills
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@bcmills bcmills commented Jul 8, 2019

From the illumos-amd64-joyent builder, in https://build.golang.org/log/b60463ada3a04bbfdb7f714e54d819176e60a833:

##### ../test
# go run run.go -- locklinear.go
exit status 1
panic: lockmany: too slow: 1000 ops: 22.164624ms; 2000 ops: 433.387975ms

1000 42.726699ms 2000 43.00828ms (1.0X)
1000 13.237367ms 2000 40.902635ms (3.1X)
1000 9.373097ms 2000 39.993182ms (4.3X)
1000 5.415665ms 2000 29.961344ms (5.5X)
1000 22.164624ms 2000 433.387975ms (19.6X)


goroutine 1 [running]:
main.checkLinear(0x4d8124, 0x8, 0x3e8, 0x4df5f0)
	/tmp/workdir-host-illumos-amd64-joyent/go/test/locklinear.go:73 +0x590
main.main()
	/tmp/workdir-host-illumos-amd64-joyent/go/test/locklinear.go:134 +0x79
exit status 2

FAIL	locklinear.go	11.857s

See previously #19276.

@bcmills bcmills added this to the Go1.14 milestone Jul 8, 2019
@bcmills bcmills added the Testing label Jul 8, 2019
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@rsc rsc commented Oct 8, 2019

Is the machine just overloaded?

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@rsc rsc commented Oct 8, 2019

The timings for 1000 ops being all over the map - 42ms, 13ms, 9ms, 5ms, 22ms - is a sign that the machine is just overloaded. Maybe if the test can't even get something consistent for 1000 ops it should just skip itself.

@rsc rsc modified the milestones: Go1.14, Backlog Oct 9, 2019
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