noodles-v6 · August 18, 2013 12:48 · Jul 23, 2013
diff --git a/top.sh b/top.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+redEcho()
+{
+    echo -e "\033[1;31m$@\033[0m"
+}
+pid=`pgrep java`
+uuid=`date +%s`_${RANDOM}_$$
+jstackFile=/tmp/${uuid}_${pid}
+
+sudo -u tomcat jstack ${pid} > ${jstackFile}
+
+top -b -n1 -d0.01 -H -p ${pid}  | grep tomcat  | sort -k9 -r -n | head -5 | while read threadLine ; do
+
+        threadId=`echo ${threadLine} | awk '{print $1}'`
+        threadId0x=`printf %x ${threadId}`
+        pcpu=`echo ${threadLine} | awk '{print $9}'`
+        user=`echo ${threadLine} | awk '{print $2}'`
+
+        [ ! -f "${jstackFile}" ] &&
+        {
+            { redEcho "Fail to jstack java process ${pid}"; rm ${jstackFile} ; continue; }
+        }
+
+        redEcho "The stack of busy(${pcpu}%) thread(${threadId}/0x${threadId0x}) of java process(${pid} of user(${user}):"
+        sed "/nid=0x${threadId0x}/,/^$/p" -n ${jstackFile}
+done
+
+rm /tmp/${uuid}_*