#!/bin/sh

LOG=/dev/.initramfs/hdparm.log

pid=$$
while [ $pid -ne 1 ]; do
	child=$pid
	pid=$(ps --no-headers -o ppid $child)
done

echo >> $LOG
echo "$(cat /proc/uptime) $(date +%T.%N)" >> $LOG
pstree -a -p $child >> $LOG

echo "p" > /proc/sysrq-trigger 
exec /sbin/hdparm.orig "$@"