ceph/src/dpdk/scripts/validate-abi.sh

   1 #!/bin/sh
   2 #   BSD LICENSE
   3 #
   4 #   Copyright(c) 2015 Neil Horman. All rights reserved.
   5 #   All rights reserved.
   6 #
   7 #   Redistribution and use in source and binary forms, with or without
   8 #   modification, are permitted provided that the following conditions
   9 #   are met:
  10 #
  11 #     * Redistributions of source code must retain the above copyright
  12 #       notice, this list of conditions and the following disclaimer.
  13 #     * Redistributions in binary form must reproduce the above copyright
  14 #       notice, this list of conditions and the following disclaimer in
  15 #       the documentation and/or other materials provided with the
  16 #       distribution.
  17 #
  18 #   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 #   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 #   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 #   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 #   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 #   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 #   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 #   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26 #   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 #   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 TAG1=$1
  31 TAG2=$2
  32 TARGET=$3
  33 ABI_DIR=`mktemp -d -p /tmp ABI.XXXXXX`
  34
  35 usage() {
  36         echo "$0 <REV1> <REV2> <TARGET>"
  37 }
  38
  39 log() {
  40         local level=$1
  41         shift
  42         echo "$*"
  43 }
  44
  45 validate_tags() {
  46
  47         if [ -z "$HASH1" ]
  48         then
  49                 echo "invalid revision: $TAG1"
  50                 return
  51         fi
  52         if [ -z "$HASH2" ]
  53         then
  54                 echo "invalid revision: $TAG2"
  55                 return
  56         fi
  57 }
  58
  59 validate_args() {
  60         if [ -z "$TAG1" ]
  61         then
  62                 echo "Must Specify REV1"
  63                 return
  64         fi
  65         if [ -z "$TAG2" ]
  66         then
  67                 echo "Must Specify REV2"
  68                 return
  69         fi
  70         if [ -z "$TARGET" ]
  71         then
  72                 echo "Must Specify a build target"
  73         fi
  74 }
  75
  76
  77 cleanup_and_exit() {
  78         rm -rf $ABI_DIR
  79         git checkout $CURRENT_BRANCH
  80         exit $1
  81 }
  82
  83 # Make sure we configure SHARED libraries
  84 # Also turn off IGB and KNI as those require kernel headers to build
  85 fixup_config() {
  86         sed -i -e"$ a\CONFIG_RTE_BUILD_SHARED_LIB=y" config/defconfig_$TARGET
  87         sed -i -e"$ a\CONFIG_RTE_NEXT_ABI=n" config/defconfig_$TARGET
  88         sed -i -e"$ a\CONFIG_RTE_EAL_IGB_UIO=n" config/defconfig_$TARGET
  89         sed -i -e"$ a\CONFIG_RTE_LIBRTE_KNI=n" config/defconfig_$TARGET
  90         sed -i -e"$ a\CONFIG_RTE_KNI_KMOD=n" config/defconfig_$TARGET
  91 }
  92
  93 ###########################################
  94 #START
  95 ############################################
  96
  97 #trap on ctrl-c to clean up
  98 trap cleanup_and_exit SIGINT
  99
 100 if [ -z "$DPDK_MAKE_JOBS" ]
 101 then
 102         # This counts the number of cpus on the system
 103         if [ -e /usr/bin/lscpu ]
 104         then
 105                 DPDK_MAKE_JOBS=`lscpu -p=cpu | grep -v "#" | wc -l`
 106         else
 107                 DPDK_MAKE_JOBS=1
 108         fi
 109 fi
 110
 111 #Save the current branch
 112 CURRENT_BRANCH=`git branch | grep \* | cut -d' ' -f2`
 113
 114 if [ -z "$CURRENT_BRANCH" ]
 115 then
 116         CURRENT_BRANCH=`git log --pretty=format:%H HEAD~1..HEAD`
 117 fi
 118
 119 if [ -n "$VERBOSE" ]
 120 then
 121         export VERBOSE=/dev/stdout
 122 else
 123         export VERBOSE=/dev/null
 124 fi
 125
 126 # Validate that we have all the arguments we need
 127 res=$(validate_args)
 128 if [ -n "$res" ]
 129 then
 130         echo $res
 131         usage
 132         cleanup_and_exit 1
 133 fi
 134
 135 HASH1=$(git show -s --format=%H "$TAG1" -- 2> /dev/null | tail -1)
 136 HASH2=$(git show -s --format=%H "$TAG2" -- 2> /dev/null | tail -1)
 137
 138 # Make sure our tags exist
 139 res=$(validate_tags)
 140 if [ -n "$res" ]
 141 then
 142         echo $res
 143         cleanup_and_exit 1
 144 fi
 145
 146 # Make hashes available in output for non-local reference
 147 TAG1="$TAG1 ($HASH1)"
 148 TAG2="$TAG2 ($HASH2)"
 149
 150 ABICHECK=`which abi-compliance-checker 2>/dev/null`
 151 if [ $? -ne 0 ]
 152 then
 153         log "INFO" "Cant find abi-compliance-checker utility"
 154         cleanup_and_exit 1
 155 fi
 156
 157 ABIDUMP=`which abi-dumper 2>/dev/null`
 158 if [ $? -ne 0 ]
 159 then
 160         log "INFO" "Cant find abi-dumper utility"
 161         cleanup_and_exit 1
 162 fi
 163
 164 log "INFO" "We're going to check and make sure that applications built"
 165 log "INFO" "against DPDK DSOs from version $TAG1 will still run when executed"
 166 log "INFO" "against DPDK DSOs built from version $TAG2."
 167 log "INFO" ""
 168
 169 # Check to make sure we have a clean tree
 170 git status | grep -q clean
 171 if [ $? -ne 0 ]
 172 then
 173         log "WARN" "Working directory not clean, aborting"
 174         cleanup_and_exit 1
 175 fi
 176
 177 # Move to the root of the git tree
 178 cd $(dirname $0)/..
 179
 180 log "INFO" "Checking out version $TAG1 of the dpdk"
 181 # Move to the old version of the tree
 182 git checkout $HASH1
 183
 184 fixup_config
 185
 186 # Checking abi compliance relies on using the dwarf information in
 187 # The shared objects.  Thats only included in the DSO's if we build
 188 # with -g
 189 export EXTRA_CFLAGS="$EXTRA_CFLAGS -g -O0"
 190 export EXTRA_LDFLAGS="$EXTRA_LDFLAGS -g"
 191
 192 # Now configure the build
 193 log "INFO" "Configuring DPDK $TAG1"
 194 make config T=$TARGET O=$TARGET > $VERBOSE 2>&1
 195
 196 log "INFO" "Building DPDK $TAG1. This might take a moment"
 197 make -j$DPDK_MAKE_JOBS O=$TARGET > $VERBOSE 2>&1
 198
 199 if [ $? -ne 0 ]
 200 then
 201         log "INFO" "THE BUILD FAILED.  ABORTING"
 202         cleanup_and_exit 1
 203 fi
 204
 205 # Move to the lib directory
 206 cd $TARGET/lib
 207 log "INFO" "COLLECTING ABI INFORMATION FOR $TAG1"
 208 for i in `ls *.so`
 209 do
 210         $ABIDUMP $i -o $ABI_DIR/$i-ABI-0.dump -lver $HASH1
 211 done
 212 cd ../..
 213
 214 # Now clean the tree, checkout the second tag, and rebuild
 215 git clean -f -d
 216 git reset --hard
 217 # Move to the new version of the tree
 218 log "INFO" "Checking out version $TAG2 of the dpdk"
 219 git checkout $HASH2
 220
 221 fixup_config
 222
 223 # Now configure the build
 224 log "INFO" "Configuring DPDK $TAG2"
 225 make config T=$TARGET O=$TARGET > $VERBOSE 2>&1
 226
 227 log "INFO" "Building DPDK $TAG2. This might take a moment"
 228 make -j$DPDK_MAKE_JOBS O=$TARGET > $VERBOSE 2>&1
 229
 230 if [ $? -ne 0 ]
 231 then
 232         log "INFO" "THE BUILD FAILED.  ABORTING"
 233         cleanup_and_exit 1
 234 fi
 235
 236 cd $TARGET/lib
 237 log "INFO" "COLLECTING ABI INFORMATION FOR $TAG2"
 238 for i in `ls *.so`
 239 do
 240         $ABIDUMP $i -o $ABI_DIR/$i-ABI-1.dump -lver $HASH2
 241 done
 242 cd ../..
 243
 244 # Start comparison of ABI dumps
 245 for i in `ls $ABI_DIR/*-1.dump`
 246 do
 247         NEWNAME=`basename $i`
 248         OLDNAME=`basename $i | sed -e"s/1.dump/0.dump/"`
 249         LIBNAME=`basename $i | sed -e"s/-ABI-1.dump//"`
 250
 251         if [ ! -f $ABI_DIR/$OLDNAME ]
 252         then
 253                 log "INFO" "$OLDNAME DOES NOT EXIST IN $TAG1. SKIPPING..."
 254         fi
 255
 256         #compare the abi dumps
 257         $ABICHECK -l $LIBNAME -old $ABI_DIR/$OLDNAME -new $ABI_DIR/$NEWNAME
 258 done
 259
 260 git reset --hard
 261 log "INFO" "ABI CHECK COMPLETE.  REPORTS ARE IN compat_report directory"
 262 cleanup_and_exit 0