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runtime/pprof: TestMutexProfileRateAdjust failures #68079

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gopherbot opened this issue Jun 19, 2024 · 3 comments
Closed

runtime/pprof: TestMutexProfileRateAdjust failures #68079

gopherbot opened this issue Jun 19, 2024 · 3 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

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@gopherbot
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#!watchflakes
default <- pkg == "runtime/pprof" && test == "TestMutexProfileRateAdjust"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestMutexProfileRateAdjust
    pprof_test.go:1346: parsed proto: PeriodType: contentions count
        Period: 1
        Time: 2024-05-21 21:18:01.20247723 +0000 UTC
        Samples:
        contentions/count delay/nanoseconds
                  1 102552218537: 1 2 
                  4   98039668: 3 4 5 6 7 8 
                  1   34212735: 1 9 
                  2   27714188: 10 11 12 13 14 15 16 
...
            53: 0x47bf6e M=1 runtime.schedule /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:3961 s=3914
        Mappings
        1: 0x400000/0x6c1000/0x0 /home/swarming/.swarming/w/ir/x/t/go-build426206143/b1123/pprof.test  [FN]
        2: 0x7fb508e0b000/0x7fb508f64000/0x22000 /lib/x86_64-linux-gnu/libc-2.31.so a3780b0b8a5bf5876e31d16b0a9d8fc6ba69a1f2 
        3: 0x7fb508fc3000/0x7fb508fd3000/0x6000 /lib/x86_64-linux-gnu/libpthread-2.31.so 255e355c207aba91a59ae1f808e3b4da443abf0c 
        4: 0x7fb508fe9000/0x7fb509009000/0x1000 /lib/x86_64-linux-gnu/ld-2.31.so 1b3277a419c3fa42b199e5a170ea215b32689793 
        5: 0x7fff93f7b000/0x7fff93f7d000/0x0 [vdso]  
        6: 0xffffffffff600000/0xffffffffff601000/0x0 [vsyscall]  
    pprof_test.go:1372: sample value changed: got [3, 36408740], want [2, 34236017]
--- FAIL: TestMutexProfileRateAdjust (0.12s)

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Jun 19, 2024
@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Jun 19, 2024
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime/pprof" && test == "TestMutexProfileRateAdjust"
2024-05-21 21:08 gotip-linux-amd64-longtest-race go@5a9dabc2 runtime/pprof.TestMutexProfileRateAdjust (log) 
=== RUN   TestMutexProfileRateAdjust
    pprof_test.go:1346: parsed proto: PeriodType: contentions count
        Period: 1
        Time: 2024-05-21 21:18:01.20247723 +0000 UTC
        Samples:
        contentions/count delay/nanoseconds
                  1 102552218537: 1 2 
                  4   98039668: 3 4 5 6 7 8 
                  1   34212735: 1 9 
                  2   27714188: 10 11 12 13 14 15 16 
...
            53: 0x47bf6e M=1 runtime.schedule /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:3961 s=3914
        Mappings
        1: 0x400000/0x6c1000/0x0 /home/swarming/.swarming/w/ir/x/t/go-build426206143/b1123/pprof.test  [FN]
        2: 0x7fb508e0b000/0x7fb508f64000/0x22000 /lib/x86_64-linux-gnu/libc-2.31.so a3780b0b8a5bf5876e31d16b0a9d8fc6ba69a1f2 
        3: 0x7fb508fc3000/0x7fb508fd3000/0x6000 /lib/x86_64-linux-gnu/libpthread-2.31.so 255e355c207aba91a59ae1f808e3b4da443abf0c 
        4: 0x7fb508fe9000/0x7fb509009000/0x1000 /lib/x86_64-linux-gnu/ld-2.31.so 1b3277a419c3fa42b199e5a170ea215b32689793 
        5: 0x7fff93f7b000/0x7fff93f7d000/0x0 [vdso]  
        6: 0xffffffffff600000/0xffffffffff601000/0x0 [vsyscall]  
    pprof_test.go:1372: sample value changed: got [3, 36408740], want [2, 34236017]
--- FAIL: TestMutexProfileRateAdjust (0.12s)

— watchflakes

@gabyhelp
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(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)

@rhysh
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rhysh commented Jun 20, 2024 •
edited by gabyhelp
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This failure is from May 21, and does not include CL 586957. It's a dup of (resolved) #67563.

@rhysh rhysh closed this as completed Jun 20, 2024
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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