xref: /freebsd/tools/test/stress2/tools/iwatch.sh (revision 4d846d26)
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 max inode usage in RUNDIR
30
31. ../default.cfg
32
33[ ! -d $RUNDIR ] && mkdir $RUNDIR
34imax=0
35kmax=0
36istart=`df -ik $RUNDIR | tail -1 | awk '{print $6}'`
37kstart=`df -ik $RUNDIR | tail -1 | awk '{print $3}'`
38while true;do
39   i=`df -ik $RUNDIR | tail -1 | awk '{print $6}'`
40   k=`df -ik $RUNDIR | tail -1 | awk '{print $3}'`
41   if [ $i -gt $imax -o $k -gt $kmax ]; then
42      imax=$i
43      kmax=$k
44      printf "%s %d %dk (%d %dk)\n" `date '+%T'` $i $k $((imax - istart)) $((kmax - kstart))
45   fi
46   sleep 1
47done
48