#!/bin/bash

# Execute the right version of perf for the current kernel.
# Remove flavour or custom suffix and fix number of version components:
# - For 2.6.x, use 3 components
# - For 3.0 or 3.0.x, use 3.0.0
# - Otherwise, use 2 components
version="$(uname -r)"
version="${version%%-*}"
case "$version" in
    2.6.*.*)
	version="${version%.*}"
	;;
    2.6.*)
	;;
    3.0 | 3.0.*)
	version=3.0.0
	;;
    *.*.*)
	version="${version%.*}"
	;;
esac
shopt -s execfail
exec "perf_$version" "$@"

# Not found? Tell the user which package to install.
echo >&2 "E: linux-tools-$version is not installed."
exit 1