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cmd/trace: include taskless spans in /usertasks.

Change-Id: Id4e3407ba497a018d5ace92813ba8e9653d0ac7d
Reviewed-on: https://go-review.googlesource.com/104976
Reviewed-by: Heschi Kreinick <heschi@google.com>
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Hana Kim 2018-04-05 16:15:52 -04:00 committed by Hyang-Ah Hana Kim
parent fc8967e384
commit 8e351ae304
2 changed files with 30 additions and 11 deletions

View File

@ -306,13 +306,15 @@ func analyzeAnnotations() (annotationAnalysisResult, error) {
// combine span info.
analyzeGoroutines(events)
for goid, stats := range gs {
// gs is a global var defined in goroutines.go as a result
// of analyzeGoroutines. TODO(hyangah): fix this not to depend
// on a 'global' var.
for _, s := range stats.Spans {
if s.TaskID == 0 {
continue
if s.TaskID != 0 {
task := tasks.task(s.TaskID)
task.goroutines[goid] = struct{}{}
task.spans = append(task.spans, spanDesc{UserSpanDesc: s, G: goid})
}
task := tasks.task(s.TaskID)
task.goroutines[goid] = struct{}{}
task.spans = append(task.spans, spanDesc{UserSpanDesc: s, G: goid})
var frame trace.Frame
if s.Start != nil {
frame = *s.Start.Stk[0]
@ -322,7 +324,7 @@ func analyzeAnnotations() (annotationAnalysisResult, error) {
}
}
// sort spans based on the timestamps.
// sort spans in tasks based on the timestamps.
for _, task := range tasks {
sort.SliceStable(task.spans, func(i, j int) bool {
si, sj := task.spans[i].firstTimestamp(), task.spans[j].firstTimestamp()
@ -408,7 +410,6 @@ func (tasks allTasks) task(taskID uint64) *taskDesc {
func (task *taskDesc) addEvent(ev *trace.Event) {
if task == nil {
// TODO(hyangah): handle spans with no task.
return
}
@ -1229,7 +1230,7 @@ function reloadTable(key, value) {
{{range .Data}}
<tr>
<td> <a href="/trace?goid={{.G}}">{{.G}}</a> </td>
<td> <a href="/trace?taskid={{.TaskID}}">{{.TaskID}}</a> </td>
<td> {{if .TaskID}}<a href="/trace?taskid={{.TaskID}}">{{.TaskID}}</a>{{end}} </td>
<td> {{prettyDuration .TotalTime}} </td>
<td>
<div class="stacked-bar-graph">

View File

@ -10,6 +10,7 @@ import (
"reflect"
"runtime/debug"
"runtime/trace"
"sort"
"sync"
"testing"
"time"
@ -98,7 +99,6 @@ func TestAnalyzeAnnotations(t *testing.T) {
if err != nil {
t.Fatalf("failed to analyzeAnnotations: %v", err)
}
tasks := res.tasks
// For prog0, we expect
// - task with name = "task0", with three spans.
@ -119,14 +119,14 @@ func TestAnalyzeAnnotations(t *testing.T) {
},
}
for _, task := range tasks {
for _, task := range res.tasks {
want, ok := wantTasks[task.name]
if !ok {
t.Errorf("unexpected task: %s", task)
continue
}
if task.complete() != want.complete || len(task.goroutines) != want.goroutines || !reflect.DeepEqual(spanNames(task), want.spans) {
t.Errorf("got %v; want %+v", task, want)
t.Errorf("got task %v; want %+v", task, want)
}
delete(wantTasks, task.name)
@ -134,6 +134,24 @@ func TestAnalyzeAnnotations(t *testing.T) {
if len(wantTasks) > 0 {
t.Errorf("no more tasks; want %+v", wantTasks)
}
wantSpans := []string{
"", // an auto-created span for the goroutine 3
"taskless.span",
"task0.span0",
"task0.span1",
"task0.span2",
}
var gotSpans []string
for spanID := range res.spans {
gotSpans = append(gotSpans, spanID.Type)
}
sort.Strings(wantSpans)
sort.Strings(gotSpans)
if !reflect.DeepEqual(gotSpans, wantSpans) {
t.Errorf("got spans %q, want spans %q", gotSpans, wantSpans)
}
}
// prog1 creates a task hierarchy consisting of three tasks.