#!/usr/bin/bash

if rpm -q --quiet libtracefs; then

    :

else

    sudo dnf install -y libtracefs

    if [[ $? != 0 ]]; then

       echo "install of libtracefs failed!"

       exit 1

    fi

fi

echo "The libtracefs is meant to be used by perf, trace-cmd etc. Check installation."

if [[ ! -f /usr/lib64/libtracefs.so.1 ]]; then

    echo "/usr/lib64/libtracefs.so.1 not found!"

    exit 2

fi

echo "Check the trace-cmd works."

if ! rpm -q --quiet trace-cmd; then

    sudo dnf install -y trace-cmd

    if [[ $? != 0 ]]; then

        echo "install trace-cmd failed when libtracefs exist!"

        exit 3

    fi

fi

trace-cmd list || exit 4

exit 0