first: setup

setting up repo.

benchmarks/test-all.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# test-all.sh — compile the benchmark helper tools first, then run every
+# benchmark (coreutils and busybox). Exits non-zero if any of them fails.
+#
+# usage: ./test-all.sh
+set -u
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# 1. build the helper tools before running any benchmark so createtxt()
+#    can use the fast C generator instead of the slow shell fallback
+mkdir -p "$SCRIPT_DIR/tools"
+if ! cc -O2 -Wall -o "$SCRIPT_DIR/tools/genfile" "$SCRIPT_DIR/tools/genfile.c"; then
+    printf 'test-all: error: failed to compile %s\n' "$SCRIPT_DIR/tools/genfile.c" >&2
+    exit 1
+fi
+printf 'built %s\n' "$SCRIPT_DIR/tools/genfile"
+
+# 2. run each benchmark (both run regardless, so every result is reported)
+"$SCRIPT_DIR/bench-coreutils.sh"
+rc_coreutils=$?
+"$SCRIPT_DIR/bench-busybox.sh"
+rc_busybox=$?
+
+# 3. summarize
+if [[ $rc_coreutils -ne 0 || $rc_busybox -ne 0 ]]; then
+    printf '\ntest-all: FAILED (coreutils=%s, busybox=%s)\n' "$rc_coreutils" "$rc_busybox" >&2
+    exit 1
+fi
+printf '\ntest-all: all benchmarks passed\n'