Perf -- Linux下的系统性能调优工具【转自IBM】

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centos6.X安装perf

#yum install perf

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centos5.4安装perf

下载linux源代码包linux-2.6.32.12.tgz(https://www.kernel.org/pub/linux/kernel/v3.x/)

#cd /xxx/linux-2.6.32.12/tools/perf

#make

#make install

#perf top

Error: perfcounter syscall returned with -1 (Function not implemented)

Fatal: No CONFIG_PERF_EVENTS=y kernel support configured?

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