52 lines
1.8 KiB
Bash
52 lines
1.8 KiB
Bash
|
#!/bin/sh
|
||
|
|
|
||
|
|
#
|
||
|
|
# Copyright (c) 2017 Dell EMC Isilon
|
||
|
|
# All rights reserved.
|
||
|
|
#
|
||
|
|
# Redistribution and use in source and binary forms, with or without
|
||
|
|
# modification, are permitted provided that the following conditions
|
||
|
|
# are met:
|
||
|
|
# 1. Redistributions of source code must retain the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer.
|
||
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
# notice, this list of conditions and the following disclaimer in the
|
||
|
|
# documentation and/or other materials provided with the distribution.
|
||
|
|
#
|
||
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
# SUCH DAMAGE.
|
||
|
|
#
|
||
|
|
|
||
|
|
# Page fault seen:
|
||
|
|
# https://people.freebsd.org/~pho/stress/log/pmc2.txt
|
||
|
|
|
||
|
|
# https://people.freebsd.org/~pho/stress/log/mmacy004.txt
|
||
|
|
|
||
|
|
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
|
||
|
|
|
||
|
|
. ../default.cfg
|
||
|
|
|
||
|
|
kldstat -v | grep -q hwpmc || { kldload hwpmc; loaded=1; }
|
||
|
|
|
||
|
|
event=`pmcstat -L 2>/dev/null | tr -d '\t' | sort -R | head -1`
|
||
|
|
if [ -n "$event" ]; then
|
||
|
|
../misc/churn.sh &
|
||
|
|
pid=$!
|
||
|
|
while ! pgrep -q churn; do sleep .5; done
|
||
|
|
pmcstat -P $event -t churn -O /tmp/pmc2.log
|
||
|
|
wait $pid
|
||
|
|
rm /tmp/pmc2.log
|
||
|
|
fi
|
||
|
|
[ $loaded ] && kldunload hwpmc
|
||
|
|
|
||
|
|
exit 0
|