added test/test-performance.sh
MODIFY
docs/ChangeLog
docs/ChangeLog
@@ -17,7 +17,8 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
Version ++2.57d (dev):
----------------------
- - revertedd patch to not unlink and recreate the input file, it resulted in performance loss
+ - reverted patch to not unlink and recreate the input file, it resulted in performance loss
+ - added test/test-performance.sh script
--------------------------------

ADD
test/test-performance.sh
+#!/bin/bash
+
+FILE=~/.afl_performance
+
+test -e $FILE || {
+ echo Warning: This script measure the performance of afl++ and saves the result for future comparisons into $FILE
+ echo Press ENTER to continue or CONTROL-C to abort
+ read IN
+}
+
+export AFL_QUIET=1
+unset AFL_EXIT_WHEN_DONE
+unset AFL_SKIP_CPUFREQ
+unset AFL_DEBUG
+unset AFL_HARDEN
+unset AFL_USE_ASAN
+unset AFL_USE_MSAN
+unset AFL_CC
+unset AFL_PRELOAD
+unset AFL_LLVM_WHITELIST
+unset AFL_LLVM_INSTRIM
+unset AFL_LLVM_LAF_SPLIT_SWITCHES
+unset AFL_LLVM_LAF_TRANSFORM_COMPARES
+unset AFL_LLVM_LAF_SPLIT_COMPARES
+
+# on OpenBSD we need to work with llvm from /usr/local/bin
+test -e /usr/local/bin/opt && {
+ export PATH=/usr/local/bin:${PATH}
+}
+# on MacOS X we prefer afl-clang over afl-gcc, because
+# afl-gcc does not work there
+test `uname -s` = 'Darwin' -o `uname -s` = 'FreeBSD' && {
+ AFL_GCC=afl-clang
+} || {
+ AFL_GCC=afl-gcc
+}
+
+ECHO="printf %b\\n"
+$ECHO \\101 2>&1 | grep -qE '^A' || {
+ ECHO=
+ test -e /bin/printf && {
+ ECHO="/bin/printf %b\\n"
+ $ECHO '\\101' 2>&1 | grep -qE '^A' || ECHO=
+ }
+}
+test -z "$ECHO" && { printf Error: printf command does not support octal character codes ; exit 1 ; }
+
+GREY="\\033[1;90m"
+BLUE="\\033[1;94m"
+GREEN="\\033[0;32m"
+RED="\\033[0;31m"
+YELLOW="\\033[1;93m"
+RESET="\\033[0m"
+
+MEM_LIMIT=150
+
+>> $FILE || { echo Error: can not write to $FILE ; exit 1 ; }
+
+echo Warning: this script is setting performance parameters with afl-system-config
+sleep 1
+afl-system-config > /dev/null 2>&1
+echo Performance settings applied.
+echo
+
+$ECHO "${RESET}${GREY}[*] starting afl++ performance test framework ..."
+
+$ECHO "$BLUE[*] Testing: ${AFL_GCC}"
+GCC=x
+test -e ../${AFL_GCC} -a -e ../afl-fuzz && {
+ ../${AFL_GCC} -o test-instr.plain ../test-instr.c > /dev/null 2>&1
+ test -e test-instr.plain && {
+ $ECHO "$GREEN[+] ${AFL_GCC} compilation succeeded"
+ mkdir -p in
+ echo 0 > in/in
+ $ECHO "$GREY[*] running afl-fuzz for ${AFL_GCC} for 30 seconds"
+ {
+ ../afl-fuzz -V 30 -s 123 -m ${MEM_LIMIT} -i in -o out-gcc -- ./test-instr.plain
+ } >>errors 2>&1
+ test -n "$( ls out-gcc/queue/id:000002* 2> /dev/null )" && {
+ GCC=`grep execs_done out-gcc/fuzzer_stats | awk '{print$3}'`
+ } || {
+ echo CUT----------------------------------------------------------------
+ cat errors
+ echo CUT----------------------------------------------------------------
+ $ECHO "$RED[!] afl-fuzz is not working correctly with ${AFL_GCC}"
+ }
+ rm -rf in out-gcc errors test-instr.plain
+ } || $ECHO "$RED[!] ${AFL_GCC} instrumentation failed"
+} || $ECHO "$YELLOW[-] afl is not compiled, cannot test"
+
+$ECHO "$BLUE[*] Testing: llvm_mode"
+LLVM=x
+test -e ../afl-clang-fast -a -e ../afl-fuzz && {
+ ../afl-clang-fast -o test-instr.llvm ../test-instr.c > /dev/null 2>&1
+ test -e test-instr.llvm && {
+ $ECHO "$GREEN[+] llvm_mode compilation succeeded"
+ mkdir -p in
+ echo 0 > in/in
+ $ECHO "$GREY[*] running afl-fuzz for llvm_mode for 30 seconds"
+ {
+ ../afl-fuzz -V 30 -s 123 -m ${MEM_LIMIT} -i in -o out-llvm -- ./test-instr.llvm
+ } >>errors 2>&1
+ test -n "$( ls out-llvm/queue/id:000002* 2> /dev/null )" && {
+ LLVM=`grep execs_done out-llvm/fuzzer_stats | awk '{print$3}'`
+ } || {
+ echo CUT----------------------------------------------------------------
+ cat errors
+ echo CUT----------------------------------------------------------------
+ $ECHO "$RED[!] afl-fuzz is not working correctly with llvm_mode"
+ }
+ rm -rf in out-llvm errors test-instr.llvm
+ } || $ECHO "$RED[!] llvm_mode instrumentation failed"
+} || $ECHO "$YELLOW[-] llvm_mode is not compiled, cannot test"
+
+$ECHO "$BLUE[*] Testing: qemu_mode"
+QEMU=x
+test -e ../afl-qemu-trace -a -e ../afl-fuzz && {
+ cc -o test-instr.qemu ../test-instr.c > /dev/null 2>&1
+ test -e test-instr.qemu && {
+ $ECHO "$GREEN[+] native compilation with cc succeeded"
+ mkdir -p in
+ echo 0 > in/in
+ $ECHO "$GREY[*] running afl-fuzz for qemu_mode for 30 seconds"
+ {
+ ../afl-fuzz -Q -V 30 -s 123 -m ${MEM_LIMIT} -i in -o out-qemu -- ./test-instr.qemu
+ } >>errors 2>&1
+ test -n "$( ls out-qemu/queue/id:000002* 2> /dev/null )" && {
+ QEMU=`grep execs_done out-qemu/fuzzer_stats | awk '{print$3}'`
+ } || {
+ echo CUT----------------------------------------------------------------
+ cat errors
+ echo CUT----------------------------------------------------------------
+ $ECHO "$RED[!] afl-fuzz is not working correctly with qemu_mode"
+ }
+ rm -rf in out-qemu errors test-instr.qemu
+ } || $ECHO "$RED[!] qemu_mode instrumentation failed"
+} || $ECHO "$YELLOW[-] qemu_mode is not compiled, cannot test"
+
+LOW_GCC=
+HIGH_GCC=
+LAST_GCC=
+LOW_LLVM=
+HIGH_LLVM=
+LAST_LLVM=
+LOW_QEMU=
+HIGH_QEMU=
+LAST_QEMU=
+
+test -s $FILE && {
+ while read LINE; do
+ G=`echo $LINE | awk '{print$1}'`
+ L=`echo $LINE | awk '{print$2}'`
+ Q=`echo $LINE | awk '{print$3}'`
+ test "$G" = x && G=
+ test "$L" = x && L=
+ test "$Q" = x && Q=
+ test -n "$G" && LAST_GCC=$G
+ test -n "$L" && LAST_LLVM=$L
+ test -n "$Q" && LAST_QEMU=$Q
+ test -n "$G" -a -z "$LOW_GCC" && LOW_GCC=$G || {
+ test -n "$G" -a "$G" -lt "$LOW_GCC" 2> /dev/null && LOW_GCC=$G
+ }
+ test -n "$L" -a -z "$LOW_LLVM" && LOW_LLVM=$L || {
+ test -n "$L" -a "$L" -lt "$LOW_LLVM" 2> /dev/null && LOW_LLVM=$L
+ }
+ test -n "$Q" -a -z "$LOW_QEMU" && LOW_QEMU=$Q || {
+ test -n "$Q" -a "$Q" -lt "$LOW_QEMU" 2> /dev/null && LOW_QEMU=$Q
+ }
+ test -n "$G" -a -z "$HIGH_GCC" && HIGH_GCC=$G || {
+ test -n "$G" -a "$G" -gt "$HIGH_GCC" 2> /dev/null && HIGH_GCC=$G
+ }
+ test -n "$L" -a -z "$HIGH_LLVM" && HIGH_LLVM=$L || {
+ test -n "$L" -a "$L" -gt "$HIGH_LLVM" 2> /dev/null && HIGH_LLVM=$L
+ }
+ test -n "$Q" -a -z "$HIGH_QEMU" && HIGH_QEMU=$Q || {
+ test -n "$Q" -a "$Q" -gt "$HIGH_QEMU" 2> /dev/null && HIGH_QEMU=$Q
+ }
+ done < $FILE
+ $ECHO "$YELLOW[!] Reading saved data from $FILE completed, please compare the results:"
+ $ECHO "$BLUE[!] afl-cc: lowest=$LOW_GCC highest=$HIGH_GCC last=$LAST_GCC current=$GCC"
+ $ECHO "$BLUE[!] llvm_mode: lowest=$LOW_LLVM highest=$HIGH_LLVM last=$LAST_LLVM current=$LLVM"
+ $ECHO "$BLUE[!] qemu_mode: lowest=$LOW_QEMU highest=$HIGH_QEMU last=$LAST_QEMU current=$QEMU"
+} || {
+ $ECHO "$YELLOW[!] First run, just saving data"
+ $ECHO "$BLUE[!] afl-gcc=$GCC llvm_mode=$LLVM qemu_mode=$QEMU"
+}
+echo "$GCC $LLVM $QEMU" >> $FILE
+$ECHO "$GREY[*] done."
+$ECHO "$RESET"

MODIFY
test/test.sh
test/test.sh
@@ -50,6 +50,7 @@ AFL_GCC=afl-clang
} || {
AFL_GCC=afl-gcc
}
+
GREY="\\033[1;90m"
BLUE="\\033[1;94m"
GREEN="\\033[0;32m"

added test/test-performance.sh