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Diffstat (limited to 'src/runtime/mprof.go')
-rw-r--r--src/runtime/mprof.go14
1 files changed, 5 insertions, 9 deletions
diff --git a/src/runtime/mprof.go b/src/runtime/mprof.go
index d409c6c30..f4da45f5c 100644
--- a/src/runtime/mprof.go
+++ b/src/runtime/mprof.go
@@ -575,20 +575,16 @@ func saveg(pc, sp uintptr, gp *g, r *StackRecord) {
// If all is true, Stack formats stack traces of all other goroutines
// into buf after the trace for the current goroutine.
func Stack(buf []byte, all bool) int {
- mp := acquirem()
- gp := mp.curg
if all {
semacquire(&worldsema, false)
- mp.gcing = 1
- releasem(mp)
+ gp := getg()
+ gp.m.gcing = 1
onM(stoptheworld)
- if mp != acquirem() {
- gothrow("Stack: rescheduled")
- }
}
n := 0
if len(buf) > 0 {
+ gp := getg()
sp := getcallersp(unsafe.Pointer(&buf))
pc := getcallerpc(unsafe.Pointer(&buf))
onM(func() {
@@ -605,11 +601,11 @@ func Stack(buf []byte, all bool) int {
}
if all {
- mp.gcing = 0
+ gp := getg()
+ gp.m.gcing = 0
semrelease(&worldsema)
onM(starttheworld)
}
- releasem(mp)
return n
}