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{ nixpkgs, pkgs }:
with pkgs;
runCommand "nixpkgs-metrics"
{ buildInputs = [ nix time ];
requiredSystemFeatures = [ "benchmark" ];
}
''
export NIX_DB_DIR=$TMPDIR
export NIX_STATE_DIR=$TMPDIR
nix-store --init
mkdir -p $out/nix-support
touch $out/nix-support/hydra-build-products
run() {
local name="$1"
shift
echo "running $@"
NIX_SHOW_STATS=1 time "$@" 2>&1 > /dev/null | tee stats
cat stats
x=$(sed -e 's/.*time elapsed: \([0-9\.]\+\).*/\1/ ; t ; d' stats)
[[ -n $x ]] || exit 1
echo "$name.time $x s" >> $out/nix-support/hydra-metrics
x=$(sed -e 's/.* \([0-9]\+\)maxresident.*/\1/ ; t ; d' stats)
[[ -n $x ]] || exit 1
echo "$name.maxresident $x KiB" >> $out/nix-support/hydra-metrics
x=$(sed -e 's/.*total allocations: \([0-9]\+\) bytes.*/\1/ ; t ; d' stats)
[[ -n $x ]] || exit 1
echo "$name.allocations $x B" >> $out/nix-support/hydra-metrics
x=$(sed -e 's/.*values allocated count: \([0-9]\+\).*/\1/ ; t ; d' stats)
[[ -n $x ]] || exit 1
echo "$name.values $x" >> $out/nix-support/hydra-metrics
}
run nixos.smallContainer nix-instantiate --dry-run ${nixpkgs}/nixos/release.nix \
-A closures.smallContainer.x86_64-linux --show-trace
run nixos.kde nix-instantiate --dry-run ${nixpkgs}/nixos/release.nix \
-A closures.kde.x86_64-linux --show-trace
run nixos.lapp nix-instantiate --dry-run ${nixpkgs}/nixos/release.nix \
-A closures.lapp.x86_64-linux --show-trace
run nix-env.qa nix-env -f ${nixpkgs} -qa
run nix-env.qaDrv nix-env -f ${nixpkgs} -qa --drv-path --meta --xml
export GC_INITIAL_HEAP_SIZE=128k
run nix-env.qaAggressive nix-env -f ${nixpkgs} -qa
run nix-env.qaDrvAggressive nix-env -f ${nixpkgs} -qa --drv-path --meta --xml
lines=$(find ${nixpkgs} -name "*.nix" -type f | xargs cat | wc -l)
echo "loc $lines" >> $out/nix-support/hydra-metrics
''
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