memory.sh (2741B)
1 #!/bin/sh 2 3 # Measure memory usage of a minimal client using a small configuration 4 # Currently hardwired to ccm-psk and suite-b, may be expanded later 5 # 6 # Use different build options for measuring executable size and memory usage, 7 # since for memory we want debug information. 8 # 9 # Copyright The Mbed TLS Contributors 10 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 11 12 set -eu 13 14 CONFIG_H='include/mbedtls/mbedtls_config.h' 15 16 CLIENT='mini_client' 17 18 CFLAGS_EXEC='-fno-asynchronous-unwind-tables -Wl,--gc-section -ffunction-sections -fdata-sections' 19 CFLAGS_MEM=-g3 20 21 if [ -r $CONFIG_H ]; then :; else 22 echo "$CONFIG_H not found" >&2 23 exit 1 24 fi 25 26 if grep -i cmake Makefile >/dev/null; then 27 echo "Not compatible with CMake" >&2 28 exit 1 29 fi 30 31 if [ $( uname ) != Linux ]; then 32 echo "Only work on Linux" >&2 33 exit 1 34 fi 35 36 if git status | grep -F $CONFIG_H >/dev/null 2>&1; then 37 echo "mbedtls_config.h not clean" >&2 38 exit 1 39 fi 40 41 # make measurements with one configuration 42 # usage: do_config <name> <unset-list> <server-args> 43 do_config() 44 { 45 NAME=$1 46 UNSET_LIST=$2 47 SERVER_ARGS=$3 48 49 echo "" 50 echo "config-$NAME:" 51 cp configs/config-$NAME.h $CONFIG_H 52 scripts/config.py unset MBEDTLS_SSL_SRV_C 53 54 for FLAG in $UNSET_LIST; do 55 scripts/config.py unset $FLAG 56 done 57 58 grep -F SSL_MAX_CONTENT_LEN $CONFIG_H || echo 'SSL_MAX_CONTENT_LEN=16384' 59 60 printf " Executable size... " 61 62 make clean 63 CFLAGS=$CFLAGS_EXEC make OFLAGS=-Os lib >/dev/null 2>&1 64 cd programs 65 CFLAGS=$CFLAGS_EXEC make OFLAGS=-Os ssl/$CLIENT >/dev/null 66 strip ssl/$CLIENT 67 stat -c '%s' ssl/$CLIENT 68 cd .. 69 70 printf " Peak ram usage... " 71 72 make clean 73 CFLAGS=$CFLAGS_MEM make OFLAGS=-Os lib >/dev/null 2>&1 74 cd programs 75 CFLAGS=$CFLAGS_MEM make OFLAGS=-Os ssl/$CLIENT >/dev/null 76 cd .. 77 78 ./ssl_server2 $SERVER_ARGS >/dev/null & 79 SRV_PID=$! 80 sleep 1; 81 82 if valgrind --tool=massif --stacks=yes programs/ssl/$CLIENT >/dev/null 2>&1 83 then 84 FAILED=0 85 else 86 echo "client failed" >&2 87 FAILED=1 88 fi 89 90 kill $SRV_PID 91 wait $SRV_PID 92 93 scripts/massif_max.pl massif.out.* 94 mv massif.out.* massif-$NAME.$$ 95 } 96 97 # preparation 98 99 CONFIG_BAK=${CONFIG_H}.bak 100 cp $CONFIG_H $CONFIG_BAK 101 102 rm -f massif.out.* 103 104 printf "building server... " 105 106 make clean 107 make lib >/dev/null 2>&1 108 (cd programs && make ssl/ssl_server2) >/dev/null 109 cp programs/ssl/ssl_server2 . 110 111 echo "done" 112 113 # actual measurements 114 115 do_config "ccm-psk-tls1_2" \ 116 "" \ 117 "psk=000102030405060708090A0B0C0D0E0F" 118 119 do_config "suite-b" \ 120 "MBEDTLS_BASE64_C MBEDTLS_PEM_PARSE_C" \ 121 "" 122 123 # cleanup 124 125 mv $CONFIG_BAK $CONFIG_H 126 make clean 127 rm ssl_server2 128 129 exit $FAILED