/usr/bin/x86_energy_perf_policy is in linux-tools-common 4.4.0-21.37.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | #!/bin/bash
full_version=`uname -r`
# First check for a fully qualified version.
this="/usr/lib/linux-tools/$full_version/`basename $0`"
if [ -f "$this" ]; then
exec "$this" "$@"
fi
# Removing flavour from version i.e. generic or server.
flavour_abi=${full_version#*-}
flavour=${flavour_abi#*-}
version=${full_version%-$flavour}
this="$0_$version"
if [ -f "$this" ]; then
exec "$this" "$@"
fi
# Before saucy kernels we had no flavour linkage.
if dpkg --compare-versions "$version" lt "3.11.0"; then
flavour=''
else
flavour="-$flavour"
fi
# Hint at the cloud tools if they exist (trusty and later)
if dpkg --compare-versions "$version" ge "3.13.0"; then
cld=""
else
cld=":"
fi
# Work out if this is an LTS backport or not.
codename=`lsb_release -cs`
case "$codename" in
precise) base='3.2.0-9999' ;;
trusty) base='3.13.0-9999' ;;
*) base='' ;;
esac
std=""
lts=":"
if [ "$base" != "" ]; then
if dpkg --compare-versions "$version" gt "$base"; then
std=":"
lts=""
fi
fi
# Give them a hint as to what to install.
echo "WARNING: `basename $0` not found for kernel $version" >&2
echo "" >&2
echo " You may need to install the following packages for this specific kernel:" >&2
echo " linux-tools-$version$flavour" >&2
$cld echo " linux-cloud-tools-$version$flavour" >&2
echo "" >&2
echo " You may also want to install one of the following packages to keep up to date:" >&2
$std echo " linux-tools$flavour" >&2
$std $cld echo " linux-cloud-tools$flavour" >&2
$lts echo " linux-tools$flavour-lts-<series>" >&2
$lts $cld echo " linux-cloud-tools$flavour-lts-<series>" >&2
exit 2
|