diff options
| -rw-r--r-- | src/runtime/mgcmark.go | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/runtime/mgcmark.go b/src/runtime/mgcmark.go index dbca5cd1c7..9029d19d43 100644 --- a/src/runtime/mgcmark.go +++ b/src/runtime/mgcmark.go @@ -415,10 +415,7 @@ func gcAssistAlloc(gp *g) { return } - if trace.enabled { - traceGCMarkAssistStart() - } - + traced := false retry: // Compute the amount of scan work we need to do to make the // balance positive. When the required amount of work is low, @@ -454,13 +451,18 @@ retry: if scanWork == 0 { // We were able to steal all of the credit we // needed. - if trace.enabled { + if traced { traceGCMarkAssistDone() } return } } + if trace.enabled && !traced { + traced = true + traceGCMarkAssistStart() + } + // Perform assist work systemstack(func() { gcAssistAlloc1(gp, scanWork) @@ -503,7 +505,7 @@ retry: // At this point either background GC has satisfied // this G's assist debt, or the GC cycle is over. } - if trace.enabled { + if traced { traceGCMarkAssistDone() } } |