diff options
Diffstat (limited to 'erts/etc/unix/cerl.src')
| -rw-r--r-- | erts/etc/unix/cerl.src | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src index bcd64d242e..59de9bdec8 100644 --- a/erts/etc/unix/cerl.src +++ b/erts/etc/unix/cerl.src @@ -292,25 +292,38 @@ if [ "x$GDB" = "x" ]; then valgrind_log="$log_file_prefix$VALGRIND_LOG_DIR/$VALGRIND_LOGFILE_PREFIX$VALGRIND_LOGFILE_INFIX$EMU_NAME.log" fi fi - if [ "x$VALGRIND_MISC_FLAGS" = "x" ]; then - valgrind_misc_flags= - else - valgrind_misc_flags="$VALGRIND_MISC_FLAGS" + # Add default flags + vgflags=$VALGRIND_MISC_FLAGS + if [ "x${vgflags#*--show-possibly-lost}" = "x$vgflags" ]; then + vgflags="$vgflags --show-possibly-lost=no" + fi + if [ "x${vgflags#*--child-silent-after-fork}" = "x$vgflags" ]; then + vgflags="$vgflags --child-silent-after-fork=yes" + fi + if [ "x${vgflags#*--suppressions}" = "x$vgflags" ]; then + if [ "x$ERL_TOP" != "x" ]; then + vgflags="$vgflags --suppressions=$ERL_TOP/erts/emulator/valgrind/suppress.standard" + else + echo "No valgrind suppression file found in \$VALGRIND_MISC_FLAGS and \$ERL_TOP not set." + fi fi if which taskset > /dev/null && test -e /proc/cpuinfo; then # We only let valgrind utilize one core with "taskset 1" as it can be very slow # on multiple cores (especially with async threads). Valgrind only run one pthread # at a time anyway so there is no point letting it utilize more than one core. # Use $sched_arg to force all schedulers online to emulate multicore. - taskset1="taskset 1" ncpu=`cat /proc/cpuinfo | grep -w processor | wc -l` + # Choose a random core in order to not collide with any other valgrind + # run on the same machine. + taskset1=$((1 << (`shuf -i 1-$ncpu -n 1` - 1) )) + taskset1="taskset $taskset1" sched_arg="-S$ncpu:$ncpu" else taskset1= sched_arg= fi - exec $taskset1 valgrind $valgrind_xml $valgrind_log $valgrind_misc_flags $BINDIR/$EMU_NAME $sched_arg $emu_xargs "$@" + exec $taskset1 valgrind $valgrind_xml $valgrind_log $vgflags $BINDIR/$EMU_NAME $sched_arg $emu_xargs "$@" elif [ $run_rr = yes ]; then if [ $1 = replay ]; then @@ -320,7 +333,7 @@ if [ "x$GDB" = "x" ]; then if [ "$1" = "-p" ]; then echo 'set $etp_rr_run_until_beam = 1' >> $cmdfile fi - cat $ROOTDIR/erts/etc/unix/etp-commands.in >> $cmdfile + cat $ROOTDIR/erts/etc/unix/etp-commands >> $cmdfile exec rr replay -x $cmdfile $* elif [ $1 = ps ]; then shift |