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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
#!/bin/sh
# Measure memory usage of a minimal client using a small configuration
# Currently hardwired to ccm-psk and suite-b, may be expanded later
#
# Use different build options for measuring executable size and memory usage,
# since for memory we want debug information.
#
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
#
# This file is provided under the Apache License 2.0, or the
# GNU General Public License v2.0 or later.
#
# **********
# Apache License 2.0:
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# **********
#
# **********
# GNU General Public License v2.0 or later:
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# **********
set -eu
CONFIG_H='include/mbedtls/config.h'
CLIENT='mini_client'
CFLAGS_EXEC='-fno-asynchronous-unwind-tables -Wl,--gc-section -ffunction-sections -fdata-sections'
CFLAGS_MEM=-g3
if [ -r $CONFIG_H ]; then :; else
echo "$CONFIG_H not found" >&2
exit 1
fi
if grep -i cmake Makefile >/dev/null; then
echo "Not compatible with CMake" >&2
exit 1
fi
if [ $( uname ) != Linux ]; then
echo "Only work on Linux" >&2
exit 1
fi
if git status | grep -F $CONFIG_H >/dev/null 2>&1; then
echo "config.h not clean" >&2
exit 1
fi
# make measurements with one configuration
# usage: do_config <name> <unset-list> <server-args>
do_config()
{
NAME=$1
UNSET_LIST=$2
SERVER_ARGS=$3
echo ""
echo "config-$NAME:"
cp configs/config-$NAME.h $CONFIG_H
scripts/config.pl unset MBEDTLS_SSL_SRV_C
for FLAG in $UNSET_LIST; do
scripts/config.pl unset $FLAG
done
grep -F SSL_MAX_CONTENT_LEN $CONFIG_H || echo 'SSL_MAX_CONTENT_LEN=16384'
printf " Executable size... "
make clean
CFLAGS=$CFLAGS_EXEC make OFLAGS=-Os lib >/dev/null 2>&1
cd programs
CFLAGS=$CFLAGS_EXEC make OFLAGS=-Os ssl/$CLIENT >/dev/null
strip ssl/$CLIENT
stat -c '%s' ssl/$CLIENT
cd ..
printf " Peak ram usage... "
make clean
CFLAGS=$CFLAGS_MEM make OFLAGS=-Os lib >/dev/null 2>&1
cd programs
CFLAGS=$CFLAGS_MEM make OFLAGS=-Os ssl/$CLIENT >/dev/null
cd ..
./ssl_server2 $SERVER_ARGS >/dev/null &
SRV_PID=$!
sleep 1;
if valgrind --tool=massif --stacks=yes programs/ssl/$CLIENT >/dev/null 2>&1
then
FAILED=0
else
echo "client failed" >&2
FAILED=1
fi
kill $SRV_PID
wait $SRV_PID
scripts/massif_max.pl massif.out.*
mv massif.out.* massif-$NAME.$$
}
# preparation
CONFIG_BAK=${CONFIG_H}.bak
cp $CONFIG_H $CONFIG_BAK
rm -f massif.out.*
printf "building server... "
make clean
make lib >/dev/null 2>&1
(cd programs && make ssl/ssl_server2) >/dev/null
cp programs/ssl/ssl_server2 .
echo "done"
# actual measurements
do_config "ccm-psk-tls1_2" \
"" \
"psk=000102030405060708090A0B0C0D0E0F"
do_config "suite-b" \
"MBEDTLS_BASE64_C MBEDTLS_PEM_PARSE_C MBEDTLS_CERTS_C" \
""
# cleanup
mv $CONFIG_BAK $CONFIG_H
make clean
rm ssl_server2
exit $FAILED
|
