From 600f8e6038ae89fbef86fbaaa3d1ad6317116da8 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Thu, 12 Oct 2017 19:22:32 +0200
Subject: erts: Add -rr option to cerl start script
to run beam with "rr record".
---
erts/etc/unix/cerl.src | 39 +++++++++++++++++++++++++++------------
1 file changed, 27 insertions(+), 12 deletions(-)
(limited to 'erts')
diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src
index 30f2d831b5..862d6eb1d4 100644
--- a/erts/etc/unix/cerl.src
+++ b/erts/etc/unix/cerl.src
@@ -45,6 +45,8 @@
# -valgrind Run emulator compiled for valgrind
# -lcnt Run emulator compiled for lock counting
# -icount Run emulator compiled for instruction counting
+# -rr Run emulator under "rr record"
+# Can be combined with compile targets (like -debug) except valgrind.
# -nox Unset the DISPLAY variable to disable us of X Windows
#
# FIXME For GDB you can also set the break point using "-break FUNCTION".
@@ -84,6 +86,8 @@ GDBARGS=
TYPE=
debug=
run_valgrind=no
+run_rr=no
+skip_erlexec=no
# Default rootdir
ROOTDIR=%SRC_ROOTDIR%
@@ -248,6 +252,13 @@ while [ $# -gt 0 ]; do
cargs="$cargs -valgrind"
TYPE=.valgrind
run_valgrind=yes
+ skip_erlexec=yes
+ ;;
+ "-rr")
+ shift
+ cargs="$cargs -rr"
+ run_rr=yes
+ skip_erlexec=yes
;;
*)
break
@@ -269,7 +280,19 @@ PROGNAME="$PROGNAME$cargs"
EMU="$EMU$TYPE"
EMU_NAME=`$EXEC -emu_name_exit $eeargs`
-if [ $run_valgrind != yes ]; then
+if [ $skip_erlexec = yes ]; then
+ emu_xargs=`echo $xargs | sed "s|+|-|g"`
+ beam_args=`$EXEC -emu_args_exit ${1+"$@"}`
+
+ # Prepare for some argument passing voodoo:
+ # $beam_args is a list of command line arguments separated by newlines.
+ # Make "$@" represent those arguments verbatim (including spaces and quotes).
+ SAVE_IFS="$IFS"
+ IFS='
+'
+ set -- $beam_args
+ IFS="$SAVE_IFS"
+else
xargs="$xargs -pz $PRELOADED --"
fi
if [ "x$GDB" = "x" ]; then
@@ -277,7 +300,6 @@ if [ "x$GDB" = "x" ]; then
valversion=`valgrind --version`
valmajor=`echo $valversion | sed 's,[a-z]*\-\([0-9]*\).*,\1,'`
valminor=`echo $valversion | sed 's,[a-z]*\-[0-9]*.\([0-9]*\).*,\1,'`
- emu_xargs=`echo $xargs | sed "s|+|-|g"`
if [ "x$VALGRIND_LOG_XML" = "x" ]; then
valgrind_xml=
log_file_prefix="--log-file="
@@ -317,17 +339,10 @@ if [ "x$GDB" = "x" ]; then
sched_arg=
fi
- beam_args=`$EXEC -emu_args_exit ${1+"$@"}`
-
- # Time for some argument passing voodoo:
- # $beam_args is a list of command line arguments separated by newlines.
- # Make "$@" represent those arguments verbatim (including spaces and quotes).
- SAVE_IFS="$IFS"
- IFS='
-'
- set -- $beam_args
- IFS="$SAVE_IFS"
exec $taskset1 valgrind $valgrind_xml $valgrind_log $valgrind_misc_flags $BINDIR/$EMU_NAME $sched_arg $emu_xargs "$@" -pz $PRELOADED
+
+ elif [ $run_rr = yes ]; then
+ exec rr record --ignore-nested $BINDIR/$EMU_NAME $emu_xargs "$@" -pz $PRELOADED
else
exec $EXEC $eeargs $xargs ${1+"$@"}
fi
--
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