diff options
| -rw-r--r-- | doc/go1.17.html | 10 | ||||
| -rw-r--r-- | src/runtime/pprof/pprof_test.go | 22 |
2 files changed, 32 insertions, 0 deletions
diff --git a/doc/go1.17.html b/doc/go1.17.html index 42f3631b92..1701508ea9 100644 --- a/doc/go1.17.html +++ b/doc/go1.17.html @@ -725,6 +725,16 @@ Do not send CLs removing the interior tags from such phrases. </dd> </dl><!-- runtime/metrics --> + +<dl id="runtime/pprof"><dt><a href="/pkg/runtime/pprof">runtime/pprof</a></dt> + <dd> + <p><!-- CL 299991 --> + Block profiles are no longer biased to favor infrequent long events over + frequent short events. + </p> + </dd> +</dl><!-- runtime/pprof --> + <dl id="strconv"><dt><a href="/pkg/strconv/">strconv</a></dt> <dd> <p><!-- CL 170079 --> diff --git a/src/runtime/pprof/pprof_test.go b/src/runtime/pprof/pprof_test.go index 7cbb4fc7ae..e139ee787d 100644 --- a/src/runtime/pprof/pprof_test.go +++ b/src/runtime/pprof/pprof_test.go @@ -106,6 +106,28 @@ func TestCPUProfileMultithreaded(t *testing.T) { }) } +func TestCPUProfileThreadBias(t *testing.T) { + cpuHogA := func(dur time.Duration) { + cpuHogger(cpuHog1, &salt2, dur) + } + + defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(2)) + prof := testCPUProfile(t, stackContains, []string{"runtime/pprof.cpuHog1", "runtime/pprof.cpuHog2"}, avoidFunctions(), func(dur time.Duration) { + //c := make(chan int) + //go func() { + //cpuHogger(cpuHog1, &salt1, dur) + //c <- 1 + //}() + cpuHogA(dur) + //<-c + }) + fmt.Printf("%#v\n", prof) +} + +func cpuHogA(dur time.Duration) { + cpuHogger(cpuHog1, &salt2, dur) +} + // containsInlinedCall reports whether the function body for the function f is // known to contain an inlined function call within the first maxBytes bytes. func containsInlinedCall(f interface{}, maxBytes int) bool { |