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runtime: specify behavior of SetMutexProfileFraction for negative values 

Change-Id: Ie4da1a515d5405140d742bdcd55f54a73a7f71fe
Reviewed-on: https://go-review.googlesource.com/108175
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Aditya Mukerjee 2018-04-19 12:24:53 -04:00 committed by Ian Lance Taylor
parent 34f5f8a580
commit 3d8940a9ee
1 changed files with 1 additions and 1 deletions
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2
src/runtime/mprof.go
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@ -434,7 +434,7 @@ var mutexprofilerate uint64 // fraction sampled
// reported. The previous rate is returned. // reported. The previous rate is returned.
// //
// To turn off profiling entirely, pass rate 0. // To turn off profiling entirely, pass rate 0.
// To just read the current rate, pass rate -1. // To just read the current rate, pass rate < 0.
// (For n>1 the details of sampling may change.) // (For n>1 the details of sampling may change.)
func SetMutexProfileFraction(rate int) int { func SetMutexProfileFraction(rate int) int {
if rate < 0 { if rate < 0 {