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runtime/pprof: fix data race in test

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rp.Close happened concurrently with rp.Read. Order them.

Fixes #10280

Change-Id: I7b083bcc336d15396c4e42fc4654ba34fad4a4cc
Reviewed-on: https://go-review.googlesource.com/8211
Reviewed-by: Dave Cheney <dave@cheney.net>
This commit is contained in:
Dmitry Vyukov 2015-03-28 16:14:18 +03:00
parent edcc062bdc
commit ca98dd773a
1 changed files with 13 additions and 10 deletions
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23
src/runtime/pprof/trace_stack_test.go
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@ -95,9 +95,11 @@ func TestTraceSymbolize(t *testing.T) {
}
defer rp.Close()
defer wp.Close()
pipeReadDone := make(chan bool)
go func() {
var data [1]byte
rp.Read(data[:])
pipeReadDone <- true
}()
time.Sleep(time.Millisecond)
@ -120,6 +122,7 @@ func TestTraceSymbolize(t *testing.T) {
c.Close()
var data [1]byte
wp.Write(data[:])
<-pipeReadDone
StopTrace()
events, _, err := parseTrace(buf)
@ -143,11 +146,11 @@ func TestTraceSymbolize(t *testing.T) {
want := []eventDesc{
eventDesc{trace.EvGCStart, []frame{
frame{"runtime.GC", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 104},
frame{"runtime/pprof_test.TestTraceSymbolize", 106},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoSched, []frame{
frame{"runtime/pprof_test.TestTraceSymbolize", 105},
frame{"runtime/pprof_test.TestTraceSymbolize", 107},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoCreate, []frame{
@ -172,7 +175,7 @@ func TestTraceSymbolize(t *testing.T) {
}},
eventDesc{trace.EvGoUnblock, []frame{
frame{"runtime.chansend1", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 107},
frame{"runtime/pprof_test.TestTraceSymbolize", 109},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoBlockSend, []frame{
@ -181,7 +184,7 @@ func TestTraceSymbolize(t *testing.T) {
}},
eventDesc{trace.EvGoUnblock, []frame{
frame{"runtime.chanrecv1", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 108},
frame{"runtime/pprof_test.TestTraceSymbolize", 110},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoBlockSelect, []frame{
@ -190,7 +193,7 @@ func TestTraceSymbolize(t *testing.T) {
}},
eventDesc{trace.EvGoUnblock, []frame{
frame{"runtime.selectgo", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 109},
frame{"runtime/pprof_test.TestTraceSymbolize", 111},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoBlockSync, []frame{
@ -199,7 +202,7 @@ func TestTraceSymbolize(t *testing.T) {
}},
eventDesc{trace.EvGoUnblock, []frame{
frame{"sync.(*Mutex).Unlock", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 113},
frame{"runtime/pprof_test.TestTraceSymbolize", 115},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoBlockSync, []frame{
@ -209,7 +212,7 @@ func TestTraceSymbolize(t *testing.T) {
eventDesc{trace.EvGoUnblock, []frame{
frame{"sync.(*WaitGroup).Add", 0},
frame{"sync.(*WaitGroup).Done", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 114},
frame{"runtime/pprof_test.TestTraceSymbolize", 116},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoBlockCond, []frame{
@ -218,12 +221,12 @@ func TestTraceSymbolize(t *testing.T) {
}},
eventDesc{trace.EvGoUnblock, []frame{
frame{"sync.(*Cond).Signal", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 115},
frame{"runtime/pprof_test.TestTraceSymbolize", 117},
frame{"testing.tRunner", 0},
}},
eventDesc{trace.EvGoSleep, []frame{
frame{"time.Sleep", 0},
frame{"runtime/pprof_test.TestTraceSymbolize", 106},
frame{"runtime/pprof_test.TestTraceSymbolize", 108},
frame{"testing.tRunner", 0},
}},
}
@ -241,7 +244,7 @@ func TestTraceSymbolize(t *testing.T) {
frame{"syscall.Read", 0},
frame{"os.(*File).read", 0},
frame{"os.(*File).Read", 0},
frame{"runtime/pprof_test.TestTraceSymbolize.func11", 100},
frame{"runtime/pprof_test.TestTraceSymbolize.func11", 101},
}},
}...)
}