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use runtime/debug.Stack() in leak detect test (#2757)

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Karthic Rao 2016-09-22 10:34:35 +05:30 committed by Harshavardhana
parent b8903d842c
commit f7430ec09c
1 changed files with 3 additions and 4 deletions
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7
cmd/leak-detect_test.go
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@ -8,7 +8,7 @@
package cmd package cmd
import ( import (
"runtime" "runtime/debug"
"sort" "sort"
"strings" "strings"
"time" "time"
@ -126,9 +126,8 @@ func isIgnoredStackFn(stack string) (ok bool) {
// pickRelevantGoroutines returns all goroutines we care about for the purpose // pickRelevantGoroutines returns all goroutines we care about for the purpose
// of leak checking. It excludes testing or runtime ones. // of leak checking. It excludes testing or runtime ones.
func pickRelevantGoroutines() (gs []string) { func pickRelevantGoroutines() (gs []string) {
// make a large buffer to hold the runtime stack info. // get runtime stack buffer.
buf := make([]byte, 2<<20) buf := debug.Stack()
buf = buf[:runtime.Stack(buf, true)]
// runtime stack of go routines will be listed with 2 blank spaces between each of them, so split on "\n\n" . // runtime stack of go routines will be listed with 2 blank spaces between each of them, so split on "\n\n" .
for _, g := range strings.Split(string(buf), "\n\n") { for _, g := range strings.Split(string(buf), "\n\n") {
// Again split on a new line, the first line of the second half contaisn the info about the go routine. // Again split on a new line, the first line of the second half contaisn the info about the go routine.