52 lines
1.3 KiB
Bash
52 lines
1.3 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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# Lists "knobs" that easily cause benchmark drift:
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# - bench_profile defaults (core/bench_profile.h)
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# - getenv-based gates (core/**)
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# - cleanenv forced OFF/ON (scripts/*cleanenv*.sh + allocator matrix scripts)
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#
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# Usage:
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# scripts/list_hakmem_knobs.sh
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root_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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cd "${root_dir}"
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if ! command -v rg >/dev/null 2>&1; then
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echo "[list_hakmem_knobs] ripgrep (rg) not found" >&2
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exit 1
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fi
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print_block() {
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local title="$1"
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echo ""
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echo "== ${title} =="
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}
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uniq_sort() {
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sort -u | sed '/^$/d'
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}
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print_block "bench_profile defaults (core/bench_profile.h)"
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rg -n 'bench_setenv_default\("HAKMEM_[A-Z0-9_]+",' core/bench_profile.h \
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| rg -o 'HAKMEM_[A-Z0-9_]+' \
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| uniq_sort
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print_block "getenv gates (core/**)"
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rg -n 'getenv\("HAKMEM_[A-Z0-9_]+"\)' core \
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| rg -o 'HAKMEM_[A-Z0-9_]+' \
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| uniq_sort
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print_block "cleanenv forced exports (scripts/*cleanenv*.sh)"
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rg -n 'export HAKMEM_[A-Z0-9_]+=|unset HAKMEM_[A-Z0-9_]+' scripts \
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| rg -o 'HAKMEM_[A-Z0-9_]+' \
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| uniq_sort
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print_block "allocator matrix scripts (scripts/run_allocator_*matrix*.sh)"
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rg -n 'export HAKMEM_[A-Z0-9_]+=|HAKMEM_PROFILE=|LD_PRELOAD=' scripts/run_allocator_*matrix*.sh \
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| rg -o 'HAKMEM_[A-Z0-9_]+' \
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| uniq_sort
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echo ""
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echo "Done."
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