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79 lines
3.0 KiB
79 lines
3.0 KiB
{ nixpkgs, pkgs }:
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with pkgs;
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runCommand "nixpkgs-metrics"
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{ nativeBuildInputs = with pkgs.lib; map getBin [ nix time jq ];
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# see https://github.com/NixOS/nixpkgs/issues/52436
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#requiredSystemFeatures = [ "benchmark" ]; # dedicated `t2a` machine, by @vcunat
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}
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''
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export NIX_STORE_DIR=$TMPDIR/store
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export NIX_STATE_DIR=$TMPDIR/state
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export NIX_PAGER=
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nix-store --init
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mkdir -p $out/nix-support
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touch $out/nix-support/hydra-build-products
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run() {
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local name="$1"
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shift
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echo "running $@"
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case "$name" in
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# Redirect stdout to /dev/null to avoid hitting "Output Limit
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# Exceeded" on Hydra.
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nix-env.qaDrv|nix-env.qaDrvAggressive)
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NIX_SHOW_STATS=1 NIX_SHOW_STATS_PATH=stats-nix time -o stats-time "$@" >/dev/null ;;
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*)
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NIX_SHOW_STATS=1 NIX_SHOW_STATS_PATH=stats-nix time -o stats-time "$@" ;;
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esac
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cat stats-nix; echo; cat stats-time; echo
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x=$(jq '.cpuTime' < stats-nix)
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[[ -n $x ]] || exit 1
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echo "$name.time $x s" >> $out/nix-support/hydra-metrics
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x=$(sed -e 's/.* \([0-9]\+\)maxresident.*/\1/ ; t ; d' < stats-time)
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[[ -n $x ]] || exit 1
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echo "$name.maxresident $x KiB" >> $out/nix-support/hydra-metrics
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# nix-2.2 also outputs .symbols.bytes but that wasn't summed originally
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# https://github.com/NixOS/nix/pull/2392/files#diff-8e6ba8c21672fc1a5f6f606e1e101c74L1762
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x=$(jq '[.envs,.list,.values,.sets] | map(.bytes) | add' < stats-nix)
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[[ -n $x ]] || exit 1
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echo "$name.allocations $x B" >> $out/nix-support/hydra-metrics
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x=$(jq '.values.number' < stats-nix)
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[[ -n $x ]] || exit 1
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echo "$name.values $x" >> $out/nix-support/hydra-metrics
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}
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run nixos.smallContainer nix-instantiate --dry-run ${nixpkgs}/nixos/release.nix \
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-A closures.smallContainer.x86_64-linux --show-trace
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run nixos.kde nix-instantiate --dry-run ${nixpkgs}/nixos/release.nix \
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-A closures.kde.x86_64-linux --show-trace
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run nixos.lapp nix-instantiate --dry-run ${nixpkgs}/nixos/release.nix \
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-A closures.lapp.x86_64-linux --show-trace
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run nix-env.qa nix-env -f ${nixpkgs} -qa
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run nix-env.qaDrv nix-env -f ${nixpkgs} -qa --drv-path --meta --xml
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# It's slightly unclear which of the set to track: qaCount, qaCountDrv, qaCountBroken.
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num=$(nix-env -f ${nixpkgs} -qa | wc -l)
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echo "nix-env.qaCount $num" >> $out/nix-support/hydra-metrics
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qaCountDrv=$(nix-env -f ${nixpkgs} -qa --drv-path | wc -l)
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num=$((num - $qaCountDrv))
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echo "nix-env.qaCountBroken $num" >> $out/nix-support/hydra-metrics
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# TODO: this has been ignored for some time
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# GC Warning: Bad initial heap size 128k - ignoring it.
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#export GC_INITIAL_HEAP_SIZE=128k
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run nix-env.qaAggressive nix-env -f ${nixpkgs} -qa
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run nix-env.qaDrvAggressive nix-env -f ${nixpkgs} -qa --drv-path --meta --xml
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lines=$(find ${nixpkgs} -name "*.nix" -type f | xargs cat | wc -l)
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echo "loc $lines" >> $out/nix-support/hydra-metrics
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''
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