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| author | Hana Kim <hakim@google.com> | 2018-03-02 15:26:37 -0500 |
|---|---|---|
| committer | Hyang-Ah Hana Kim <hyangah@gmail.com> | 2018-03-02 20:32:08 +0000 |
| commit | d3562c9db95e7dffaba457bb09ec685ad033a722 (patch) | |
| tree | 242001a90fd357a10435f64dc0437f01b7773e99 /src/internal/trace | |
| parent | 16398894dccf06e34af8fb1c7cff6eed9b163057 (diff) | |
| download | go-d3562c9db95e7dffaba457bb09ec685ad033a722.tar.xz | |
internal/trace: Revert "remove backlinks from span/task end to start"
This reverts commit 16398894dccf06e34af8fb1c7cff6eed9b163057.
This broke TestUserTaskSpan test.
Change-Id: If5ff8bdfe84e8cb30787b03ead87205ece3d5601
Reviewed-on: https://go-review.googlesource.com/98235
Reviewed-by: Heschi Kreinick <heschi@google.com>
Diffstat (limited to 'src/internal/trace')
| -rw-r--r-- | src/internal/trace/parser.go | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/internal/trace/parser.go b/src/internal/trace/parser.go index 29ba73c761..155c23940a 100644 --- a/src/internal/trace/parser.go +++ b/src/internal/trace/parser.go @@ -56,7 +56,8 @@ type Event struct { // for GoSysExit: the next GoStart // for GCMarkAssistStart: the associated GCMarkAssistDone // for UserTaskCreate: the UserTaskEnd - // for UserSpan: if the start span, the corresponding UserSpan end event + // for UsetTaskEnd: the UserTaskCreate + // for UserSpan: the corresponding span start or end event Link *Event } @@ -809,10 +810,9 @@ func postProcessTrace(ver int, events []*Event) error { } tasks[ev.Args[0]] = ev case EvUserTaskEnd: - taskid := ev.Args[0] - if taskCreateEv, ok := tasks[taskid]; ok { - taskCreateEv.Link = ev - delete(tasks, taskid) + if prevEv, ok := tasks[ev.Args[0]]; ok { + prevEv.Link = ev + ev.Link = prevEv } case EvUserSpan: mode := ev.Args[1] @@ -828,6 +828,7 @@ func postProcessTrace(ver int, events []*Event) error { } // Link span start event with span end event s.Link = ev + ev.Link = s if n > 1 { activeSpans[ev.G] = spans[:n-1] |