/usr/sbin/btrace is in blktrace 1.0.5-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | #!/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>..."
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
/usr/sbin/blktrace ${TRACEOPTS} -o- $@ | /usr/bin/blkparse ${PARSEOPTS} -i-
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