3 # Copyright (c) 2017 Edward Tomasz Napierala <trasz@FreeBSD.org>
5 # This software was developed by SRI International and the University of
6 # Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7 # ("CTSRD"), as part of the DARPA CRASH research programme.
9 # Redistribution and use in source and binary forms, with or without
10 # modification, are permitted provided that the following conditions
12 # 1. Redistributions of source code must retain the above copyright
13 # notice, this list of conditions and the following disclaimer.
14 # 2. Redistributions in binary form must reproduce the above copyright
15 # notice, this list of conditions and the following disclaimer in the
16 # documentation and/or other materials provided with the distribution.
18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 # This is a simple HTTP benchmark. It works by running a number of fetch(1)
33 # instances in parallel, 10 by default, each performing a number of fetches,
34 # 100 by default, and then printing out the time it took.
36 # Example usage: ./fetchbench -i 2 -n 5 http://freebsd.org
41 usage: fetchbench [-i number-of-instances] [-n fetches-per-instance] url
49 while getopts "i:n:X" opt; do
51 i) NPROC="${OPTARG}" ;;
52 n) NFETCH="${OPTARG}" ;;
53 X) MEASURE_PLEASE=1 ;;
57 shift $(($OPTIND - 1))
65 if [ -n "${MEASURE_PLEASE}" ]; then
66 for p in `/usr/bin/jot ${NPROC}`; do
68 for f in `/usr/bin/jot ${NFETCH}`; do echo "${URL}"; done | /usr/bin/xargs /usr/bin/fetch -qo /dev/null
72 echo -n "${0}: $((${NFETCH} * ${NPROC})) requests for ${URL}, spread among ${NPROC} parallel processes, in "
74 ( /usr/bin/time -h "${0}" -i "${NPROC}" -n "${NFETCH}" -X "${URL}" ) 2>&1 | sed -E 's/ //;s/ +/, /g'