diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cmd/trace/annotations_test.go | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/cmd/trace/annotations_test.go b/src/cmd/trace/annotations_test.go index e67e02b2db..539ad81ecb 100644 --- a/src/cmd/trace/annotations_test.go +++ b/src/cmd/trace/annotations_test.go @@ -63,7 +63,9 @@ func TestAnalyzeAnnotations(t *testing.T) { // TODO: classify taskless spans // Run prog0 and capture the execution trace. - traceProgram(prog0, "TestAnalyzeAnnotations") + if err := traceProgram(prog0, "TestAnalyzeAnnotations"); err != nil { + t.Fatalf("failed to trace the program: %v", err) + } res, err := analyzeAnnotations() if err != nil { @@ -126,7 +128,9 @@ func prog1() { func TestAnalyzeAnnotationTaskTree(t *testing.T) { // Run prog1 and capture the execution trace. - traceProgram(prog1, "TestAnalyzeAnnotationTaskTree") + if err := traceProgram(prog1, "TestAnalyzeAnnotationTaskTree"); err != nil { + t.Fatalf("failed to trace the program: %v", err) + } res, err := analyzeAnnotations() if err != nil { @@ -208,12 +212,15 @@ func prog2() (gcTime time.Duration) { func TestAnalyzeAnnotationGC(t *testing.T) { var gcTime time.Duration - traceProgram(func() { + err := traceProgram(func() { oldGC := debug.SetGCPercent(10000) // gc, and effectively disable GC defer debug.SetGCPercent(oldGC) gcTime = prog2() }, "TestAnalyzeAnnotationGC") + if err != nil { + t.Fatalf("failed to trace the program: %v", err) + } res, err := analyzeAnnotations() if err != nil { @@ -241,6 +248,13 @@ func TestAnalyzeAnnotationGC(t *testing.T) { case "taskWithGC": if got <= 0 || got >= gcTime { t.Errorf("%s reported %v as overlapping GC time; want (0, %v): %v", task.name, got, gcTime, task) + buf := new(bytes.Buffer) + fmt.Fprintln(buf, "GC Events") + for _, ev := range res.gcEvents { + fmt.Fprintf(buf, " %s\n", ev) + } + fmt.Fprintf(buf, "%s\n", task) + t.Logf("%s", buf) } case "taskWithoutGC": if got != 0 { @@ -264,7 +278,7 @@ func traceProgram(f func(), name string) error { trace.Stop() saveTrace(buf, name) - res, err := traceparser.Parse(buf, "") + res, err := traceparser.Parse(buf, name+".faketrace") if err != nil { return err } |