From efc037a8e3e5d39ecfe90c5bb9ef9206f4363dab Mon Sep 17 00:00:00 2001
From: "baron@percona.com" <>
Date: Sun, 4 Mar 2012 15:05:08 -0800
Subject: [PATCH] Test for stacktrace file existence before calling pt-pmp
 (fixes bug 945836)

---
 bin/pt-sift | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bin/pt-sift b/bin/pt-sift
index dee6e52b..9e5e3f30 100755
--- a/bin/pt-sift
+++ b/bin/pt-sift
@@ -361,7 +361,11 @@ main() {
             done
 
             echo "--stack traces--"
-            $PR_pmp -l 5 "${BASEDIR}/${PREFIX}-stacktrace" | head -n 5
+            if [ -e "${BASEDIR}/${PREFIX}-stacktrace" ]; then
+               $PR_pmp -l 5 "${BASEDIR}/${PREFIX}-stacktrace" | head -n 5
+            else
+               echo "    No stack trace file exists"
+            fi
 
             echo "--oprofile--"
             if [ ! -e "${BASEDIR}/${PREFIX}-opreport" ]; then