btrace

#!/bin/sh
# Copyright (c) 2005 Silicon Graphics, Inc.
# All rights reserved.
# 
#	Nathan Scott <nathans@sgi.com>
#	14 Sep 2005	Initial version
# 

TRACEOPTS=""
PARSEOPTS="-b100000"
USAGE="Usage: btrace [-s] [-t] [-w N] [-n N] [-b N] [-a <trace>...] [-r <dbg mnt>] <dev>..."
DIRNAME=`dirname $0`

while getopts "a:w:n:b:r:sthv" c
do
case $c in
a)TRACEOPTS=$TRACEOPTS" -a "$OPTARG" ";;
w)TRACEOPTS=$TRACEOPTS" -w "$OPTARG" ";;
n)TRACEOPTS=$TRACEOPTS" -n "$OPTARG" ";;
b)TRACEOPTS=$TRACEOPTS" -b "$OPTARG" ";;
r)TRACEOPTS=$TRACEOPTS" -r "$OPTARG" ";;
s)PARSEOPTS=$PARSEOPTS" -s";;
t)PARSEOPTS=$PARSEOPTS" -t";;
h)PARSEOPTS=$PARSEOPTS" -h";;
v)PARSEOPTS=$PARSEOPTS" -v";;
\?)echo $USAGE 1>&2
exit 2
;;
esac
done

shift `expr $OPTIND - 1`
if [ $# -eq 0 ]; then
echo $USAGE 1>&2
exit 2
fi

${DIRNAME}/blktrace ${TRACEOPTS} -o- $@ | ${DIRNAME}/blkparse ${PARSEOPTS} -i-