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()
}
}