#!/usr/bin/env bash
# Reproduces the dump/stop duplication trap documented in
# docs/output/09-dump-duplication-bug.txt. Do not copy this pattern.
#
# Usage: scripts/reproduce-dump-bug.sh <pid>
set -euo pipefail
cd "$(dirname "$0")/.."
PID="${1:?usage: reproduce-dump-bug.sh <pid>}"
mkdir -p recordings
DEST="$(pwd)/recordings/dump-duplication-bug.jfr"

jcmd "$PID" JFR.start name=live settings=profile filename="$DEST" maxsize=256m
scripts/load.sh all
# BUG: dumping to the SAME path the recording is already configured to write to...
jcmd "$PID" JFR.dump name=live filename="$DEST"
# ...then stopping with no filename, which falls back to that same path.
jcmd "$PID" JFR.stop name=live

echo "wrote $DEST -- every event in it is duplicated. See docs/output/09-dump-duplication-bug.txt"