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runtime/pprof: check if test can fork

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(TestStackBarrierProfiling is failing on darwin/arm.)

Change-Id: I8006d6222ccafc213821e02105896440079caa37
Reviewed-on: https://go-review.googlesource.com/17091
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
David Crawshaw 2015-11-20 12:03:07 -05:00
parent 9fa6a2d42d
commit 2fa64c4182
1 changed files with 1 additions and 0 deletions
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src/runtime/pprof/pprof_test.go
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@ -332,6 +332,7 @@ func TestStackBarrierProfiling(t *testing.T) {
if !strings.Contains(os.Getenv("GODEBUG"), "gcstackbarrierall=1") {
// Re-execute this test with constant GC and stack
// barriers at every frame.
testenv.MustHaveExec(t)
cmd := exec.Command(os.Args[0], "-test.run=TestStackBarrierProfiling")
cmd.Env = append([]string{"GODEBUG=gcstackbarrierall=1", "GOGC=1"}, os.Environ()...)
if out, err := cmd.CombinedOutput(); err != nil {