journal-stress.sh

#!/bin/bash

declare -a pids
NUM_LOGGERS=$1

cleanup() {
    echo "Caught SIGINT/HUP/TERM - Cleaning up PIDs.."
    for p in ${pids[@]}
    do
        echo "Cleaning up PID ${p}"
        kill -15 ${p}
    done
}
trap cleanup 1 2 15 # HUP INT TERM 

echo_seq() {
    while true
    do
        echo {0..1000}
        sleep 0.05
    done
}

echo "Script PID $$"
for n in `seq $NUM_LOGGERS`
do
    (echo_seq) | systemd-cat & pid=$!
    echo "Forked worker ${n}, PID ${pid}" 
    pids+=($pid)
done

# Keep parent process alive to accept signals and execute trap func
sleep infinity