Merge "Add benchmarking scripts" into main
This commit is contained in:
Gerrit Code Review
commit
b0293f2de1
3
bench/.gitignore
vendored
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3
bench/.gitignore
vendored
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bench-*.json
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bench-*.md
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nixpkgs
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91
bench/README.md
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91
bench/README.md
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# Benchmarking scripts for Lix
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These are very much WIP, and have a few clumsy assumptions that we would
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somewhat rather be fixed, but we have committed them to let others be able to
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do benchmarking in the mean time.
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## Benchmarking procedure
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Build some Lixes you want to compare, by whichever means you wish.
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Get a computer that is not busy and *strongly preferably* is bare-metal or at
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least not a cloud VM (e.g. go make coffee when running benchmarks).
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From the root of a Lix checkout, run `./bench/bench.sh resultlink-one
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resultlink-two`, where `resultlink-one` and `resultlink-two` are the result
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links from the builds you want to test (they can be any directory with bin/nix
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in it, however).
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To get the summary again, run `./bench/summarize.jq bench/bench-*.json`.
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## Example results
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(vim tip: `:r !bench/summarize.jq bench/bench-*.json` to dump it directly into
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your editor)
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```
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result-asserts/bin/nix --extra-experimental-features 'nix-command flakes' search --no-eval-cache github:nixos/nixpkgs/e1fa12d4f6
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c6fe19ccb59cac54b5b3f25e160870 hello
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mean: 15.993s ± 0.081s
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user: 13.321s | system: 1.865s
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median: 15.994s
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range: 15.829s ... 16.096s
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relative: 1
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result/bin/nix --extra-experimental-features 'nix-command flakes' search --no-eval-cache github:nixos/nixpkgs/e1fa12d4f6c6fe19cc
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b59cac54b5b3f25e160870 hello
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mean: 15.897s ± 0.075s
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user: 13.248s | system: 1.843s
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median: 15.88s
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range: 15.807s ... 16.047s
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relative: 0.994
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---
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result/bin/nix --extra-experimental-features 'nix-command flakes' eval -f bench/nixpkgs/pkgs/development/haskell-modules/hackage-packages.nix
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mean: 0.4s ± 0.024s
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user: 0.335s | system: 0.046s
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median: 0.386s
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range: 0.379s ... 0.43s
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relative: 1
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result-asserts/bin/nix --extra-experimental-features 'nix-command flakes' eval -f bench/nixpkgs/pkgs/development/haskell-modules/hackage-packages.nix
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mean: 0.404s ± 0.024s
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user: 0.338s | system: 0.046s
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median: 0.386s
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range: 0.384s ... 0.436s
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relative: 1.008
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---
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result-asserts/bin/nix --extra-experimental-features 'nix-command flakes' eval --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'
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mean: 5.838s ± 0.023s
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user: 5.083s | system: 0.464s
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median: 5.845s
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range: 5.799s ... 5.867s
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relative: 1
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result/bin/nix --extra-experimental-features 'nix-command flakes' eval --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'
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mean: 5.788s ± 0.044s
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user: 5.056s | system: 0.439s
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median: 5.79s
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range: 5.715s ... 5.876s
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relative: 0.991
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---
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GC_INITIAL_HEAP_SIZE=10g result-asserts/bin/nix eval --extra-experimental-features 'nix-command flakes' --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'
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mean: 4.147s ± 0.021s
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user: 3.457s | system: 0.487s
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median: 4.147s
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range: 4.123s ... 4.195s
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relative: 1
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GC_INITIAL_HEAP_SIZE=10g result/bin/nix eval --extra-experimental-features 'nix-command flakes' --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'
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mean: 4.149s ± 0.027s
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user: 3.483s | system: 0.456s
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median: 4.142s
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range: 4.126s ... 4.215s
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relative: 1
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---
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```
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62
bench/bench.sh
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62
bench/bench.sh
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#!/usr/bin/env bash
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set -euo pipefail
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shopt -s inherit_errexit
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scriptdir=$(cd "$(dirname -- "$0")" ; pwd -P)
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cd "$scriptdir/.."
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if [[ $# -lt 2 ]]; then
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# FIXME(jade): it is a reasonable use case to want to run a benchmark run
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# on just one build. However, since we are using hyperfine in comparison
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# mode, we would have to combine the JSON ourselves to support that, which
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# would probably be better done by writing a benchmarking script in
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# not-bash.
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echo "Fewer than two result dirs given, nothing to compare!" >&2
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echo "Pass some directories (with names indicating which alternative they are) with bin/nix in them" >&2
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echo "Usage: ./bench/bench.sh result-1 result-2 [result-3...]" >&2
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exit 1
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fi
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_exit=""
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trap "$_exit" EXIT
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# XXX: yes this is very silly. flakes~!!
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nix build --impure --expr '(builtins.getFlake "git+file:.").inputs.nixpkgs.outPath' -o bench/nixpkgs
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export NIX_REMOTE="$(mktemp -d)"
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_exit='rm -rfv "$NIX_REMOTE"; $_exit'
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export NIX_PATH="nixpkgs=bench/nixpkgs:nixos-config=bench/configuration.nix"
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builds=("$@")
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flake_args="--extra-experimental-features 'nix-command flakes'"
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hyperfineArgs=(
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--parameter-list BUILD "$(IFS=,; echo "${builds[*]}")"
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--warmup 2 --runs 10
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)
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declare -A cases
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cases=(
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[search]="{BUILD}/bin/nix $flake_args search --no-eval-cache github:nixos/nixpkgs/e1fa12d4f6c6fe19ccb59cac54b5b3f25e160870 hello"
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[rebuild]="{BUILD}/bin/nix $flake_args eval --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'"
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[rebuild-lh]="GC_INITIAL_HEAP_SIZE=10g {BUILD}/bin/nix eval $flake_args --raw --impure --expr 'with import <nixpkgs/nixos> {}; system'"
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[parse]="{BUILD}/bin/nix $flake_args eval -f bench/nixpkgs/pkgs/development/haskell-modules/hackage-packages.nix"
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)
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benches=(
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rebuild
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rebuild-lh
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search
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parse
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)
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for k in "${benches[@]}"; do
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taskset -c 2,3 \
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chrt -f 50 \
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hyperfine "${hyperfineArgs[@]}" --export-json="bench/bench-${k}.json" --export-markdown="bench/bench-${k}.md" "${cases[$k]}"
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done
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echo "Benchmarks summary (from ./bench/summarize.jq bench/bench-*.json)"
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bench/summarize.jq bench/*.json
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325
bench/configuration.nix
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325
bench/configuration.nix
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{
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config,
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pkgs,
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lib,
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...
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}:
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{
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boot = {
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initrd = {
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availableKernelModules = [
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"xhci_pci"
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"ahci"
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];
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kernelModules = [ "dm-snapshot" ];
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luks.devices = {
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croot = {
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device = "/dev/sdb";
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allowDiscards = true;
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};
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};
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};
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kernelModules = [ "kvm-intel" ];
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kernelPackages = pkgs.linuxPackages_latest;
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loader = {
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systemd-boot.enable = true;
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efi.canTouchEfiVariables = true;
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};
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};
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hardware = {
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enableRedistributableFirmware = true;
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cpu.intel.updateMicrocode = true;
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opengl.driSupport32Bit = true;
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opengl.extraPackages = with pkgs; [
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vaapiIntel
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intel-media-driver
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intel-compute-runtime
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];
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};
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fileSystems = {
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"/" = {
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device = "/dev/sda2";
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fsType = "xfs";
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options = [ "noatime" ];
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};
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"/boot" = {
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device = "/dev/sda1";
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fsType = "vfat";
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};
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"/nas" = {
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device = "nas:/";
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fsType = "nfs4";
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options = [
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"ro"
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"x-systemd.automount"
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];
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};
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};
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swapDevices = [ { device = "/dev/swap"; } ];
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networking = {
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useDHCP = false;
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hostName = "host";
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wireless = {
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enable = true;
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interfaces = [ "eth1" ];
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};
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interfaces = {
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eth0.useDHCP = true;
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eth1.useDHCP = true;
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};
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wg-quick.interfaces = {
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wg0 = {
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address = [ "2001:db8::1" ];
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privateKeyFile = "/etc/secrets/wg0.key";
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peers = [
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{
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publicKey = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
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endpoint = "[2001:db8::2]:61021";
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allowedIPs = [ "2001::db8:1::/64" ];
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}
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];
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};
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};
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firewall.allowedUDPPorts = [ 4567 ];
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};
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i18n = {
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defaultLocale = "en_US.UTF-8";
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inputMethod.enabled = "ibus";
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};
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services = {
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xserver = {
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enable = true;
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layout = "us";
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xkbVariant = "altgr-intl";
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xkbOptions = "ctrl:nocaps";
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libinput.enable = true;
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wacom.enable = true;
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videoDrivers = [ "modesetting" ];
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modules = [ pkgs.xf86_input_wacom ];
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displayManager.sx.enable = true;
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windowManager.i3.enable = true;
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};
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udev.extraHwdb = ''
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# not like this mattered at all
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# we're not running udev from here
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'';
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udev.extraRules = ''
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# ACTION=="add", SUBSYSTEM=="input", ...
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'';
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};
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sound.enable = true;
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hardware.pulseaudio = {
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enable = true;
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package = pkgs.pulseaudioFull;
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daemon.config = {
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lock-memory = "yes";
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realtime-scheduling = "yes";
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rlimit-rtprio = "-1";
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};
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};
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programs = {
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light.enable = true;
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wireshark = {
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enable = true;
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package = pkgs.wireshark-qt;
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};
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gnupg.agent = {
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enable = true;
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};
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};
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fonts.packages = with pkgs; [
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font-awesome
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noto-fonts
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noto-fonts-cjk
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noto-fonts-emoji
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noto-fonts-extra
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dejavu_fonts
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powerline-fonts
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source-code-pro
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cantarell-fonts
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];
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users = {
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mutableUsers = false;
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users = {
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user = {
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isNormalUser = true;
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group = "user";
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extraGroups = [
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"wheel"
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"video"
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"audio"
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"dialout"
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"users"
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"kvm"
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"wireshark"
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];
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password = "unimportant";
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};
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};
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groups = {
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user = { };
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};
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};
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security = {
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pam.loginLimits = [
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{
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domain = "@audio";
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item = "memlock";
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type = "-";
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value = "unlimited";
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}
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{
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domain = "@audio";
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item = "rtprio";
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type = "-";
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value = "99";
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}
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{
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domain = "@audio";
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item = "nofile";
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type = "soft";
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value = "99999";
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}
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{
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domain = "@audio";
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item = "nofile";
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type = "hard";
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value = "99999";
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}
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];
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sudo.extraRules = [
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{
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users = [ "user" ];
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commands = [
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{
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command = "${pkgs.linuxPackages.cpupower}/bin/cpupower";
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options = [ "NOPASSWD" ];
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}
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];
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}
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];
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};
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environment.systemPackages = with pkgs; [
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a2jmidid
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age
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ardour
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bemenu
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blender
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breeze-icons
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breeze-qt5
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bubblewrap
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calf
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claws-mail
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darktable
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duperemove
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emacs
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feh
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file
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firefox
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fluidsynth
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gnome3.adwaita-icon-theme
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gnuplot
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graphviz
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helm
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i3status-rust
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inkscape
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jack2
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jq
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krita
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ldns
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libqalculate
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libreoffice
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man-pages
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nheko
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nix-diff
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nix-index
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nix-output-monitor
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open-music-kontrollers.patchmatrix
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pamixer
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pavucontrol
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pciutils
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picom
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pwgen
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redshift
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ripgrep
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rlwrap
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silver-searcher
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soundfont-fluid
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whois
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wol
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xclip
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xdot
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xdotool
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xorg.xkbcomp
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yt-dlp
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zathura
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borgbackup
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linuxPackages.cpupower
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mtr
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kitty
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xf86_input_wacom
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];
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environment.pathsToLink = [ "/share/soundfonts" ];
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systemd.user.services.run-python = {
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after = [ "network-online.target" ];
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script = ''
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exec ${pkgs.python3}/bin/python
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'';
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serviceConfig = {
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CapabilityBoundingSet = [ "" ];
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KeyringMode = "private";
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LockPersonality = true;
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MemoryDenyWriteExecute = true;
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NoNewPrivileges = true;
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PrivateDevices = true;
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PrivateTmp = true;
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PrivateUsers = true;
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ProcSubset = "pid";
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHome = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectProc = "invisible";
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ProtectSystem = "strict";
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RestrictAddressFamilies = "AF_INET AF_INET6";
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RestrictNamespaces = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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SystemCallArchitectures = "native";
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SystemCallFilter = [
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"@system-service"
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"~ @resources @privileged"
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];
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UMask = "077";
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||||
};
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||||
};
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system.stateVersion = "23.11";
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}
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22
bench/summarize.jq
Executable file
22
bench/summarize.jq
Executable file
|
|
@ -0,0 +1,22 @@
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#!/usr/bin/env -S jq -Mrf
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def round3:
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. * 1000 | round | . / 1000
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;
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|
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def stats($first):
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[
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" mean: \(.mean | round3)s ± \(.stddev | round3)s",
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" user: \(.user | round3)s | system: \(.system | round3)s",
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" median: \(.median | round3)s",
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" range: \(.min | round3)s ... \(.max | round3)s",
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" relative: \(.mean / $first.mean | round3)"
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]
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||||
| join("\n")
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||||
;
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|
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def fmt($first):
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"\(.command)\n" + (. | stats($first))
|
||||
;
|
||||
|
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[.results | .[0] as $first | .[] | fmt($first)] | join("\n\n") | (. + "\n\n---\n")
|
||||
Loading…
Reference in a new issue