/usr/bin/perf is in linux-base 4.5.
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 | #!/bin/bash
# Execute the right version of perf for the current kernel.
# Remove flavour or custom suffix and fix number of version components to 2.
version="$(uname -r)"
version="${version%%-*}"
case "$version" in
*.*.*)
version="${version%.*}"
;;
esac
shopt -s execfail
exec "perf_$version" "$@"
# Not found? Tell the user which package to install.
case "$version" in
3.* | 4.0 | 4.0.*)
package=linux-tools-$version
;;
*)
package=linux-perf-$version
;;
esac
echo >&2 "E: $package is not installed."
exit 1
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