xhprof failed to execute cmd: " dot -Tpng". stderr: `sh: dot: command not found '

安装graphviz

地址:http://www.graphviz.org/pub/graphviz/ARCHIVE/

下载安装

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wget http://www.graphviz.org/pub/graphviz/ARCHIVE/graphviz-2.28.0.tar.gz
 
tar xzvf graphviz-2.28.0.tar.gz
 
./configure --prefix=/home/mahao01/local/graphviz-2.28.0
 
make && make install
如果出现dot: command not found

改一下 : xhprof_lib/utils/callgraph_utils.php 中的 xhprof_generate_image_by_dot函数中的 $cmd

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#改之前
$cmd = " dot -T".$type;
 
 
#改之后
 $cmd = " export LD_LIBRARY_PATH=/home/mahao01/local/graphviz/lib && /home/mahao01/local/graphviz/bin/dot -T"    .$type;