mbedtls/scripts/memory.sh
Bence Szépkúti f744bd72ee Update license headers to Apache-2.0 OR GPL-2.0-or-later
This will allow us to ship the LTS branches in a single archive

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# ========================
#!/bin/sh

header1='\ *  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.\
 *\
 *  **********'

find -path './.git' -prune -o '(' -name '*.c' -o -name '*.cpp' -o -name '*.fmt' -o -name '*.h' ')' -print | xargs sed -i "
# Normalize the first line of the copyright headers (no text on the first line of a block comment)
/^\/\*.*Copyright.*Arm/I s/\/\*/&\n */

# Insert new copyright header
/SPDX-License-Identifier/ i\
$header1

# Delete old copyright header
/SPDX-License-Identifier/,$ {
  # Delete lines until the one preceding the mbedtls declaration
  N
  1,/This file is part of/ {
    /This file is part of/! D
  }
}
"

# Format copyright header for inclusion into scripts
header2=$(echo "$header1" | sed 's/^\\\? \* \?/#/')

find -path './.git' -prune -o '(' -name '*.gdb' -o -name '*.pl' -o -name '*.py' -o -name '*.sh' ')' -print | xargs sed -i "
# Insert new copyright header
/SPDX-License-Identifier/ i\
$header2

# Delete old copyright header
/SPDX-License-Identifier/,$ {
  # Delete lines until the one preceding the mbedtls declaration
  N
  1,/This file is part of/ {
    /This file is part of/! D
  }
}
"
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-06-15 12:48:48 +02:00

171 lines
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#!/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 (C) 2014-2015, Arm Limited, All Rights Reserved
# 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.
#
# **********
#
# This file is part of Mbed TLS (https://tls.mbed.org)
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