{ stdenv, fetchurl, python3, which }: let version = "0.11"; in stdenv.mkDerivation rec { name = "fatrace-${version}"; src = fetchurl { url = "http://launchpad.net/fatrace/trunk/${version}/+download/${name}.tar.bz2"; sha256 = "1f77v222nlfbf8fv7d28cnpm7x8xz0mhxavgz19c2jc51pjlv84s"; }; buildInputs = [ python3 which ]; postPatch = '' substituteInPlace power-usage-report \ --replace "'which'" "'${which}/bin/which'" ''; makeFlags = [ "PREFIX=$(out)" ]; meta = with stdenv.lib; { inherit version; description = "Report system-wide file access events"; homepage = https://launchpad.net/fatrace/; license = licenses.gpl3Plus; longDescription = '' fatrace reports file access events from all running processes. Its main purpose is to find processes which keep waking up the disk unnecessarily and thus prevent some power saving. Requires a Linux kernel with the FANOTIFY configuration option enabled. Enabling X86_MSR is also recommended for power-usage-report on x86. ''; maintainers = with maintainers; [ nckx ]; platforms = platforms.linux; }; }