1
0
mirror of https://github.com/golang/go synced 2024-11-18 20:04:52 -07:00

runtime/pprof: adjust cpuHogger so that tests pass on windows builders

LGTM=rsc
R=dvyukov, rsc
CC=golang-codereviews
https://golang.org/cl/140110043
This commit is contained in:
Alex Brainman 2014-09-01 23:06:22 -04:00 committed by Russ Cox
parent 20d9cc4bb0
commit a19e638db2

View File

@ -23,12 +23,12 @@ import (
func cpuHogger(f func()) {
// We only need to get one 100 Hz clock tick, so we've got
// a 25x safety buffer.
// But do at least 500 iterations (which should take about 100ms),
// a 100x safety buffer.
// But do at least 2000 iterations (which should take about 400ms),
// otherwise TestCPUProfileMultithreaded can fail if only one
// thread is scheduled during the 250ms period.
// thread is scheduled during the 1 second period.
t0 := time.Now()
for i := 0; i < 500 || time.Since(t0) < 250*time.Millisecond; i++ {
for i := 0; i < 2000 || time.Since(t0) < time.Second; i++ {
f()
}
}