#!/usr/bin/env bash
# Reproduces the main flagship recording: start a profile-settings recording,
# drive real load, take a mid-flight snapshot to a DIFFERENT file (never the
# recording's own destination -- see docs/output/09-dump-duplication-bug.txt
# for what goes wrong if you do), then stop with its own filename.
#
# Usage: scripts/capture-jfr.sh <pid>
set -euo pipefail
cd "$(dirname "$0")/.."
PID="${1:?usage: capture-jfr.sh <pid>}"
mkdir -p recordings

jcmd "$PID" JFR.start name=live settings=profile maxsize=256m

scripts/load.sh cpu
scripts/load.sh alloc
scripts/load.sh lock

jcmd "$PID" JFR.dump name=live filename="$(pwd)/recordings/mid-flight-snapshot.jfr"

scripts/load.sh orders

jcmd "$PID" JFR.stop name=live filename="$(pwd)/recordings/live-demo.jfr"

echo "wrote recordings/live-demo.jfr and recordings/mid-flight-snapshot.jfr"