#!/bin/sh
 
# In pathological situations, this will print some error about uname.
kverrel="`uname -r`" || exit
 
exec "/usr/libexec/perf.$kverrel" ${1+"$@"}
rc=$?
 
# We're still here, so the exec failed.
echo >&2 "Sorry, your kernel ($kverrel) doesn't support perf."
 
exit $rc