diff options
Diffstat (limited to 'erts/etc/unix/cerl.src')
| -rw-r--r-- | erts/etc/unix/cerl.src | 85 |
1 files changed, 81 insertions, 4 deletions
diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src index cc7d77fd9a..be8343e87e 100644 --- a/erts/etc/unix/cerl.src +++ b/erts/etc/unix/cerl.src @@ -2,7 +2,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2003-2012. All Rights Reserved. +# Copyright Ericsson AB 2003-2013. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -31,6 +31,9 @@ # -debug Run debug compiled emulator # -gdb Run the debug compiled emulator in emacs and gdb. # You have to start beam in gdb using "run". +# -rgdb Run the debug compiled emulator in gdb. +# You have to start beam in gdb using "run". +# -dump Dump the bt of all threads in a core. # -break F Run the debug compiled emulator in emacs and gdb and set break. # The session is started, i.e. "run" is already don for you. # -xxgdb FIXME currently disabled @@ -171,8 +174,23 @@ while [ $# -gt 0 ]; do cargs="$cargs -debug" TYPE=.debug ;; + "-frmptr") + shift + cargs="$cargs -frmptr" + TYPE=.frmptr + ;; + "-dump") + shift + GDB=dump + core="$1" + shift + ;; "-gdb") shift + GDB=egdb + ;; + "-rgdb") + shift GDB=gdb ;; "-break") @@ -183,6 +201,12 @@ while [ $# -gt 0 ]; do ;; "-core") shift + GDB=egdb + core="$1" + shift + ;; + "-rcore") + shift GDB=gdb core="$1" shift @@ -266,6 +290,19 @@ if [ "x$GDB" = "x" ]; then else valgrind_misc_flags="$VALGRIND_MISC_FLAGS" 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 $sched_arg to force all schedulers online to emulate multicore. + taskset1="taskset 1" + ncpu=`cat /proc/cpuinfo | grep -w processor | wc -l` + sched_arg="-S$ncpu:$ncpu" + else + taskset1= + sched_arg= + fi + beam_args=`$EXEC -emu_args_exit ${1+"$@"}` # Time for some argument passing voodoo: @@ -276,11 +313,32 @@ if [ "x$GDB" = "x" ]; then ' set -- $beam_args IFS="$SAVE_IFS" - exec valgrind $valgrind_xml $valgrind_log $valgrind_misc_flags $BINDIR/$EMU_NAME $emu_xargs "$@" -pz $PRELOADED + exec $taskset1 valgrind $valgrind_xml $valgrind_log $valgrind_misc_flags $BINDIR/$EMU_NAME $sched_arg $emu_xargs "$@" -pz $PRELOADED else exec $EXEC $eeargs $xargs ${1+"$@"} fi -else +elif [ "x$GDB" = "xgdb" ]; then + case "x$core" in + x) + # Get emu args to use from erlexec... + beam_args=`$EXEC -emu_args_exit ${1+"$@"}` + gdbcmd="--args $EMU_NAME $beam_args" + ;; + x/*) + gdbcmd="$EMU_NAME ${core}" + GDBBP= + ;; + *) + dir=`pwd` + gdbcmd="$EMU_NAME ${dir}/${core}" + GDBBP= + ;; + esac + cmdfile="/tmp/.cerlgdb.$$" + echo "source $ROOTDIR/erts/etc/unix/etp-commands" > $cmdfile + # Fire up gdb in emacs... + exec gdb $GDBBP -x $cmdfile $gdbcmd +elif [ "x$GDB" = "xegdb" ]; then if [ "x$EMACS" = "x" ]; then EMACS=emacs fi @@ -288,7 +346,7 @@ else case "x$core" in x) # Get emu args to use from erlexec... - beam_args=`$EXEC -emu_args_exit ${1+"$@"}` + beam_args=`$EXEC -emu_args_exit ${1+"$@"} | tr '\n' ' '` gdbcmd="(insert-string \"set args $beam_args\") \ (comint-send-input)" ;; @@ -321,4 +379,23 @@ else (comint-send-input)" # Fire up gdb in emacs... exec $EMACS --eval "(progn (gdb \"gdb $GDBARGS$EMU_NAME\") $gdbcmd)" +elif [ "x$GDB" = "xdump" ]; then + cmdfile="/tmp/.cerlgdb.$$" + case "x$core" in + x/*) + gdbcmd="$EMU_NAME ${core}" + ;; + *) + dir=`pwd` + gdbcmd="$EMU_NAME ${dir}/${core}" + ;; + esac + echo "set width 0 +set height 0 +set verbose off + +source $ROOTDIR/erts/etc/unix/etp-commands +thread apply all bt +" > $cmdfile + exec gdb --batch --command=$cmdfile $gdbcmd fi |