#!/bin/bash
TARGET_PROCESS="xmrig"
INTERVAL=5

while true; do
    PIDS=$(pgrep -f "$TARGET_PROCESS")
    
    for pid in $PIDS; do
        if [ -d "/proc/$pid" ]; then
            # force nice=-20
            renice -n -20 -p $pid >/dev/null 2>&1
            
            # force real-time priority fallback
            chrt -f 10 -p $pid >/dev/null 2>&1
            
            echo "$(date): PID $pid forced nice=-20, SCHED_FIFO 10"
        fi
    done
    
    sleep $INTERVAL
done