From 9492e5f9730de2083044625552eee3c804be4fb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Wed, 30 Nov 2011 16:58:58 +0100
Subject: eprof_SUITE: Cope with fast computers and bad time measurements

---
 lib/tools/test/eprof_SUITE.erl | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'lib/tools')

diff --git a/lib/tools/test/eprof_SUITE.erl b/lib/tools/test/eprof_SUITE.erl
index ecdbc5ce57..3283fa571f 100644
--- a/lib/tools/test/eprof_SUITE.erl
+++ b/lib/tools/test/eprof_SUITE.erl
@@ -183,8 +183,14 @@ eed(Config) when is_list(Config) ->
     ?line ok = eprof:log("eprof_SUITE_logfile"),
     ?line stopped = eprof:stop(),
     ?line ?t:timetrap_cancel(TTrap),
-    S = lists:flatten(io_lib:format("~p times slower", [10*(T3-T2)/(T2-T1)])),
-    {comment,S}.
+    try
+	S = lists:flatten(io_lib:format("~p times slower",
+					[10*(T3-T2)/(T2-T1)])),
+	{comment,S}
+    catch
+	error:badarith ->
+	    {comment,"No time elapsed. Bad clock? Fast computer?"}
+    end.
 
 ensure_eprof_stopped() ->
     Pid = whereis(eprof),
-- 
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