cmd/trace: don't fail when no browser is available

When there is no browser available on the system,
we should print the URL instead of failing.

Change-Id: I4a2b099e17609394273eff150062c285d76bbac1
Reviewed-on: https://go-review.googlesource.com/13774
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>

diff --git a/src/cmd/trace/main.go b/src/cmd/trace/main.go
index 27d8699b5aafdbc7c4c5c4b48d8f22e0c8e4cf38..e493be91b7fd20414964960d541047014d7a8705 100644 (file)
--- a/src/cmd/trace/main.go
+++ b/src/cmd/trace/main.go
@@ -71,7 +71,7 @@ func main() {
        }
        // Open browser.
        if !startBrowser("http://" + ln.Addr().String()) {
-               dief("failed to start browser\n")
+               fmt.Fprintf(os.Stderr, "Trace viewer is listening on http://%s\n", ln.Addr().String())
        }
 
        // Parse and symbolize trace asynchronously while browser opens.