1.安装扩展 windows下把 xhprof.dll 放到extensions目录下 修改配置文件 [xhprof] extension=xhprof.so; ; directory used by default implementation of the iXHProfRuns ; interface (namely, the XHProfRuns_Default class) for storing ; XHProf runs. ; ;xhprof.output_dir=<directo