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bench: allow passing benchmark names as args

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Change-Id: Icf18ed526e64707dc6112710892a89570d54e34e
This commit is contained in:
Mel Zuser 2024-05-15 21:23:28 -07:00
parent 947c509110
commit be7a07d87a
1 changed files with 14 additions and 4 deletions
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18
bench/bench.sh
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@ -6,7 +6,13 @@ shopt -s inherit_errexit
scriptdir=$(cd "$(dirname -- "$0")" ; pwd -P) scriptdir=$(cd "$(dirname -- "$0")" ; pwd -P)
cd "$scriptdir/.." cd "$scriptdir/.."
if [[ $# -lt 2 ]]; then benchSepIx=0
for arg in "${@}"; do
if [[ "$arg" == "--" ]]; then break; fi
benchSepIx=$((benchSepIx+1))
done
if [[ $# -lt 2 ]] || [[ $benchSepIx -lt 2 ]]; then
# FIXME(jade): it is a reasonable use case to want to run a benchmark run # FIXME(jade): it is a reasonable use case to want to run a benchmark run
# on just one build. However, since we are using hyperfine in comparison # on just one build. However, since we are using hyperfine in comparison
# mode, we would have to combine the JSON ourselves to support that, which # mode, we would have to combine the JSON ourselves to support that, which
@ -14,7 +20,7 @@ if [[ $# -lt 2 ]]; then
# not-bash. # not-bash.
echo "Fewer than two result dirs given, nothing to compare!" >&2 echo "Fewer than two result dirs given, nothing to compare!" >&2
echo "Pass some directories (with names indicating which alternative they are) with bin/nix in them" >&2 echo "Pass some directories (with names indicating which alternative they are) with bin/nix in them" >&2
echo "Usage: ./bench/bench.sh result-1 result-2 [result-3...]" >&2 echo "Usage: ./bench/bench.sh result-1 result-2 [result-3...] [--] [bench-1...]" >&2
exit 1 exit 1
fi fi
@ -28,7 +34,8 @@ export NIX_REMOTE="$(mktemp -d)"
_exit='rm -rfv "$NIX_REMOTE"; $_exit' _exit='rm -rfv "$NIX_REMOTE"; $_exit'
export NIX_PATH="nixpkgs=bench/nixpkgs:nixos-config=bench/configuration.nix" export NIX_PATH="nixpkgs=bench/nixpkgs:nixos-config=bench/configuration.nix"
builds=("$@") builds=("${@:1:$benchSepIx}")
benchsFromArgs=("${@:$((benchSepIx+2))}")
flake_args="--extra-experimental-features 'nix-command flakes'" flake_args="--extra-experimental-features 'nix-command flakes'"
@ -45,13 +52,16 @@ cases=(
[parse]="{BUILD}/bin/nix $flake_args eval -f bench/nixpkgs/pkgs/development/haskell-modules/hackage-packages.nix" [parse]="{BUILD}/bin/nix $flake_args eval -f bench/nixpkgs/pkgs/development/haskell-modules/hackage-packages.nix"
) )
benches=( defaultBenches=(
rebuild rebuild
rebuild-lh rebuild-lh
search search
parse parse
) )
benches=("${benchsFromArgs[@]:-${defaultBenches[@]}}")
for k in "${benches[@]}"; do for k in "${benches[@]}"; do
taskset -c 2,3 \ taskset -c 2,3 \
chrt -f 50 \ chrt -f 50 \