nixpkgs/pkgs/development/tools/profiling/systemtap/default.nix
2021-08-07 22:07:02 +03:00

60 lines
1.8 KiB
Nix

{ lib, fetchgit, pkg-config, gettext, runCommand, makeWrapper
, elfutils, kernel, gnumake, python2, python2Packages
}:
let
## fetchgit info
url = "git://sourceware.org/git/systemtap.git";
rev = "release-${version}";
sha256 = "sha256-3LgqMBCnUG2UmsekaIvV43lBpSPEocEXmFV9WpE7wE0=";
version = "4.5";
inherit (kernel) stdenv;
## stap binaries
stapBuild = stdenv.mkDerivation {
pname = "systemtap";
inherit version;
src = fetchgit { inherit url rev sha256; };
nativeBuildInputs = [ pkg-config ];
buildInputs = [ elfutils gettext python2 python2Packages.setuptools ];
enableParallelBuilding = true;
};
## a kernel build dir as expected by systemtap
kernelBuildDir = runCommand "kbuild-${kernel.version}-merged" { } ''
mkdir -p $out
for f in \
${kernel}/System.map \
${kernel.dev}/vmlinux \
${kernel.dev}/lib/modules/${kernel.modDirVersion}/build/{*,.*}
do
ln -s $(readlink -f $f) $out
done
'';
pypkgs = with python2Packages; makePythonPath [ pyparsing ];
in runCommand "systemtap-${kernel.version}-${version}" {
inherit stapBuild kernelBuildDir;
nativeBuildInputs = [ makeWrapper ];
meta = {
homepage = "https://sourceware.org/systemtap/";
repositories.git = url;
description = "Provides a scripting language for instrumentation on a live kernel plus user-space";
license = lib.licenses.gpl2;
platforms = lib.platforms.linux;
};
} ''
mkdir -p $out/bin
for bin in $stapBuild/bin/*; do
ln -s $bin $out/bin
done
rm $out/bin/stap $out/bin/dtrace
makeWrapper $stapBuild/bin/stap $out/bin/stap \
--add-flags "-r $kernelBuildDir" \
--prefix PATH : ${lib.makeBinPath [ stdenv.cc.cc stdenv.cc.bintools elfutils gnumake ]}
makeWrapper $stapBuild/bin/dtrace $out/bin/dtrace \
--prefix PYTHONPATH : ${pypkgs}
''