added standalone run scripts for all tests and experiments

2026-05-28 23:40:52 +03:00
parent 1813b15993
commit 32d3d5f97c
3 changed files with 320 additions and 82 deletions
@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+set -euo pipefail
+LC_ALL=C
+
+DIR=$(cd "$(dirname "$0")" && pwd)
+cd "$DIR"
+
+gcc -O2 -o fork_bomb fork_bomb.c
+
+echo "Compiled fork_bomb"
+
+# This experiment is dangerous: it forks processes until the OS limit is hit.
+# You MUST set ALLOW_DANGEROUS=1 to run it.
+ALLOW_DANGEROUS=${ALLOW_DANGEROUS:-0}
+FORK_BOMB_SECONDS=${FORK_BOMB_SECONDS:-5}
+PROC_SAMPLE_STEP=${PROC_SAMPLE_STEP:-50}
+
+RUNS_DIR="$DIR/runs"
+mkdir -p "$RUNS_DIR"
+RUN_ID=$(date +"%Y%m%d_%H%M%S")
+
+OUT_CSV="$RUNS_DIR/${RUN_ID}_fork_bomb.csv"
+
+if [ "$ALLOW_DANGEROUS" -ne 1 ]; then
+  echo "Skipping fork_bomb (set ALLOW_DANGEROUS=1 to run)"
+  echo "timestamp,elapsed_s,load1,load5,load15,mem_total_kb,mem_available_kb,mem_used_kb,proc_count,thread_count_total,pid,cpu_pct,sys_cpu_pct,forks_per_sec,rss_kb,vsz_kb,stack_kb,heap_kb,proc_threads" > "$OUT_CSV"
+  echo "  csv: $OUT_CSV"
+  exit 0
+fi
+
+echo "Running fork_bomb for ${FORK_BOMB_SECONDS}s (PROC_SAMPLE_STEP=$PROC_SAMPLE_STEP)"
+echo "  csv: $OUT_CSV"
+
+if command -v timeout >/dev/null 2>&1; then
+  timeout "$FORK_BOMB_SECONDS" sh -c "FORK_BOMB_CSV='$OUT_CSV' PROC_SAMPLE_STEP='$PROC_SAMPLE_STEP' '$DIR/fork_bomb'" || true
+else
+  FORK_BOMB_CSV="$OUT_CSV" PROC_SAMPLE_STEP="$PROC_SAMPLE_STEP" ./fork_bomb &
+  FB_PID=$!
+  sleep "$FORK_BOMB_SECONDS" || true
+  kill -TERM "-$FB_PID" 2>/dev/null || true
+  sleep 2
+  kill -KILL "-$FB_PID" 2>/dev/null || true
+fi
+
+pkill -f "./fork_bomb" 2>/dev/null || true
+
+echo "Run complete"
+echo "  csv: $OUT_CSV"