Linux内存泄漏检测shell脚本
<p>本文实例为大家分享了Linux内存泄漏检测的shell脚本，供大家参考，具体内容如下</p>
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<code class="bash preprocessor bold">#!/bin/sh</code>
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<code class="bash keyword">if</code> <code class="bash plain">[ $</code><code class="bash comments"># -ne 1 ]; then</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash string">"Usage: `basename $0` process_name"</code>
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<code class="bash spaces"> </code><code class="bash functions">exit</code> <code class="bash plain">1</code>
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<code class="bash keyword">fi</code>
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<code class="bash plain">APPNAME=$1</code>
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<code class="bash plain">PROC=</code><code class="bash string">"`ps -ef | grep "</code><code class="bash plain">$APPNAME</code><code class="bash string">" | grep -v "</code><code class="bash functions">grep</code><code class="bash string">" | grep -v "</code><code class="bash functions">awk</code><code class="bash string">" | grep -v $0 | awk '{print $1}'`"</code>
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<code class="bash keyword">if</code> <code class="bash plain">[ -z $PROC ]; </code><code class="bash keyword">then</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash string">"invalid process_name"</code>
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<code class="bash spaces"> </code><code class="bash functions">exit</code> <code class="bash plain">1</code>
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<code class="bash keyword">fi</code>
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<code class="bash plain">SMAPS=</code><code class="bash string">"/proc/$PROC/smaps"</code>
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<code class="bash plain">STATUS=</code><code class="bash string">"/proc/$PROC/status"</code>
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<code class="bash functions">echo</code> <code class="bash string">"proc ---$PROC----"</code>
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<code class="bash plain">OLDHEAP=</code><code class="bash string">"0"</code>
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<code class="bash keyword">while</code> <code class="bash plain">:</code>
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<code class="bash keyword">do</code>
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<code class="bash spaces"> </code><code class="bash comments">#HEAP="`cat $STATUS | grep "VmData" | awk '{print $2}'`"</code>
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<code class="bash spaces"> </code><code class="bash plain">HEAP=`</code><code class="bash functions">cat</code> <code class="bash plain">$SMAPS | </code><code class="bash functions">grep</code> <code class="bash plain">-A 5 </code><code class="bash string">"heap"</code> <code class="bash plain">| </code><code class="bash functions">grep</code> <code class="bash string">"Rss"</code> <code class="bash plain">| </code><code class="bash functions">awk</code> <code class="bash string">'{print $2}'</code><code class="bash plain">`</code>
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<code class="bash spaces"> </code><code class="bash keyword">if</code> <code class="bash plain">[ $HEAP -lt $OLDHEAP ]; </code><code class="bash keyword">then</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash string">"`date` HEAP -`expr $OLDHEAP - $HEAP` to $HEAP kb"</code>
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<code class="bash spaces"> </code><code class="bash plain">OLDHEAP=$HEAP</code>
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<code class="bash spaces"> </code><code class="bash keyword">elif</code> <code class="bash plain">[ $HEAP -gt $OLDHEAP ]; </code><code class="bash keyword">then</code>
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<code class="bash spaces"> </code><code class="bash functions">echo</code> <code class="bash string">"`date` HEAP +`expr $HEAP - $OLDHEAP` to $HEAP kb"</code>
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<code class="bash spaces"> </code><code class="bash plain">OLDHEAP=$HEAP</code>
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<code class="bash spaces"> </code><code class="bash keyword">fi</code>
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<code class="bash spaces"> </code><code class="bash functions">sleep</code> <code class="bash plain">1</code>
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<code class="bash keyword">done</code>
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。</p>
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