diff options
Diffstat (limited to 'src/cmd/trace/trace.go')
| -rw-r--r-- | src/cmd/trace/trace.go | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cmd/trace/trace.go b/src/cmd/trace/trace.go index 12d8dec753..ecc7c3f9c9 100644 --- a/src/cmd/trace/trace.go +++ b/src/cmd/trace/trace.go @@ -815,11 +815,18 @@ func (ctx *traceContext) proc(ev *trace.Event) uint64 { } func (ctx *traceContext) emitSlice(ev *trace.Event, name string) *ViewerEvent { + // If ViewerEvent.Dur is not a positive value, + // trace viewer handles it as a non-terminating time interval. + // Avoid it by setting the field with a small value. + durationUsec := ctx.time(ev.Link) - ctx.time(ev) + if ev.Link.Ts-ev.Ts <= 0 { + durationUsec = 0.0001 // 0.1 nanoseconds + } sl := &ViewerEvent{ Name: name, Phase: "X", Time: ctx.time(ev), - Dur: ctx.time(ev.Link) - ctx.time(ev), + Dur: durationUsec, Tid: ctx.proc(ev), Stack: ctx.stack(ev.Stk), EndStack: ctx.stack(ev.Link.Stk), |