xref: /freebsd/tools/test/stress2/tools/rwatch.sh (revision 19261079)
1#!/bin/sh
2
3#
4# Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28
29# Watch disk resources for a test program
30
31unset LOAD
32unset runLOAD
33unset swapLOAD
34unset rwLOAD
35unset mkdirLOAD
36unset creatLOAD
37unset symlinkLOAD
38
39[ ! -d $RUNDIR ] && mkdir $RUNDIR
40imax=0
41kmax=0
42istart=`df -ik $RUNDIR | tail -1 | awk '{print $6}'`
43kstart=`df -ik $RUNDIR | tail -1 | awk '{print $3}'`
44
45"$@" &
46
47while ps -p $! > /dev/null; do
48   i=`df -ik $RUNDIR | tail -1 | awk '{print $6}'`
49   k=`df -ik $RUNDIR | tail -1 | awk '{print $3}'`
50   if [ $i -gt $imax -o $k -gt $kmax ]; then
51      imax=$i
52      kmax=$k
53   fi
54   sleep .2
55done
56printf "Disk usage: %d inodes and %dk\n" $((imax - istart)) $((kmax - kstart))
57wait
58