diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/pprof/pprof_test.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/runtime/pprof/pprof_test.go b/src/runtime/pprof/pprof_test.go index b87e47eb2f..d207464ad1 100644 --- a/src/runtime/pprof/pprof_test.go +++ b/src/runtime/pprof/pprof_test.go @@ -333,6 +333,19 @@ func TestMathBigDivide(t *testing.T) { } func TestStackBarrierProfiling(t *testing.T) { + if (runtime.GOOS == "linux" && runtime.GOARCH == "arm") || runtime.GOOS == "openbsd" || runtime.GOOS == "solaris" { + // This test currently triggers a large number of + // usleep(100)s. These kernels/arches have poor + // resolution timers, so this gives up a whole + // scheduling quantum. On Linux and OpenBSD (and + // probably Solaris), profiling signals are only + // generated when a process completes a whole + // scheduling quantum, so this test often gets zero + // profiling signals and fails. + t.Skipf("low resolution timers inhibit profiling signals (golang.org/issue/13405)") + return + } + if !strings.Contains(os.Getenv("GODEBUG"), "gcstackbarrierall=1") { // Re-execute this test with constant GC and stack // barriers at every frame. |