1#!/bin/sh 2 3# From https://reviews.freebsd.org/D17011 4 5[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 6 7cd /tmp 8kldstat -v | grep -q hwpmc || { kldload hwpmc; loaded=1; } 9pmcstat -S unhalted_core_cycles -O ppid.pmcstat sleep 10 10pmcstat -R ppid.pmcstat -z100 -G ppid.stacks 11[ $loaded ] && kldunload hwpmc 12rm -f ppid.pmcstat ppid.stacks 13