blktrace: don't stop tracer if not setup trace successfully
[blktrace.git] / btrace
CommitLineData
244ad71d
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1#!/bin/sh
2# Copyright (c) 2005 Silicon Graphics, Inc.
3# All rights reserved.
4#
5# Nathan Scott <nathans@sgi.com>
6# 14 Sep 2005 Initial version
7#
8
9TRACEOPTS=""
0698729e 10PARSEOPTS="-b100000"
bc93336f 11USAGE="Usage: btrace [-s] [-t] [-w N] [-n N] [-b N] [-a <trace>...] [-r <dbg mnt>] <dev>..."
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12DIRNAME=`dirname $0`
13
bc93336f 14while getopts "a:w:n:b:r:sthv" c
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15do
16 case $c in
17 a) TRACEOPTS=$TRACEOPTS" -a "$OPTARG" ";;
ece238a6 18 w) TRACEOPTS=$TRACEOPTS" -w "$OPTARG" ";;
d915dee6
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19 n) TRACEOPTS=$TRACEOPTS" -n "$OPTARG" ";;
20 b) TRACEOPTS=$TRACEOPTS" -b "$OPTARG" ";;
3b79b227 21 r) TRACEOPTS=$TRACEOPTS" -r "$OPTARG" ";;
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22 s) PARSEOPTS=$PARSEOPTS" -s";;
23 t) PARSEOPTS=$PARSEOPTS" -t";;
d915dee6 24 h) PARSEOPTS=$PARSEOPTS" -h";;
19a67de3 25 v) PARSEOPTS=$PARSEOPTS" -v";;
244ad71d
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26 \?) echo $USAGE 1>&2
27 exit 2
28 ;;
29 esac
30done
31
32shift `expr $OPTIND - 1`
33if [ $# -eq 0 ]; then
34 echo $USAGE 1>&2
35 exit 2
36fi
37
38${DIRNAME}/blktrace ${TRACEOPTS} -o- $@ | ${DIRNAME}/blkparse ${PARSEOPTS} -i-