diff options
Diffstat (limited to 'erts/etc/unix/cerl.src')
| -rw-r--r-- | erts/etc/unix/cerl.src | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src index 0d45917e4b..78fefbea55 100644 --- a/erts/etc/unix/cerl.src +++ b/erts/etc/unix/cerl.src @@ -33,6 +33,7 @@ # 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 @@ -85,6 +86,7 @@ run_valgrind=no # Default rootdir ROOTDIR=%SRC_ROOTDIR% BINDIR="$ROOTDIR/bin/`$ROOTDIR/erts/autoconf/config.guess`" +TARGET=%TARGET% #BINDIR="$ROOTDIR/bin/%TARGET%" PROGNAME=$ROOTDIR/bin/cerl EMU=beam @@ -178,6 +180,12 @@ while [ $# -gt 0 ]; do cargs="$cargs -frmptr" TYPE=.frmptr ;; + "-dump") + shift + GDB=dump + core="$1" + shift + ;; "-gdb") shift GDB=egdb @@ -241,6 +249,12 @@ while [ $# -gt 0 ]; do done +if [ ! -f $BINDIR/erlexec -a -f $ROOTDIR/bin/$TARGET/erlexec ]; then + # We are in a strange target (I'm looking at you openbsd) where + # TARGET != config.guess + BINDIR=$ROOTDIR/bin/$TARGET +fi + PATH=$BINDIR:$ROOTDIR/bin:$PATH EXEC=$BINDIR/erlexec @@ -283,6 +297,19 @@ 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: @@ -293,7 +320,7 @@ 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 @@ -318,7 +345,7 @@ elif [ "x$GDB" = "xgdb" ]; then echo "source $ROOTDIR/erts/etc/unix/etp-commands" > $cmdfile # Fire up gdb in emacs... exec gdb $GDBBP -x $cmdfile $gdbcmd -else +elif [ "x$GDB" = "xegdb" ]; then if [ "x$EMACS" = "x" ]; then EMACS=emacs fi @@ -326,7 +353,7 @@ else case "x$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)" ;; @@ -359,4 +386,23 @@ 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 |