linux 编译perf 工具

centos7下编译步骤：

        wget https://mirrors.edge.kernel.org/pub/linux/kernel/v3.x/linux-3.10.tar.gz

        tar -xf linux-3.10.tar.gz
        cd linux-3.10/tools/
        yum install -y flex bison python2-devel
        make perf
        ./perf/perf top -d 1