--- a/smalltalk	Sun May 01 22:24:22 2016 +0200
+++ b/smalltalk	Tue May 10 16:36:08 2016 +0200
@@ -138,7 +138,10 @@
    --ldd .................. show which shared libraries are used
    --gdb .................. run with gdb-Debugger (type r in debugger to start)
    --cgdb ................. run with cgdb-Debugger (type r in debugger to start)
-   --callgrind ............ run under callgrind profiler tool
+   --callgrind ............ run under callgrind profiler tool with profiling off -
+                            use this to profile some benchmark
+   --callgrind-startup .... run under callgrind profiler tool with profiling on
+                            - use this to profile VM startup
    --stap SCRIPT .......... run given systemtap script, passing stx command as 
                             stap -c 'stx ...' Systemtap may not be compiled in.
 "
@@ -163,13 +166,13 @@
 if [ "$1" = "--gdb" ]
 then
     shift
-    DEBUGGER=gdb
+    DEBUGGER="gdb --args"
 fi
 
 if [ "$1" = "--cgdb" ]
 then
     shift
-    DEBUGGER=cgdb
+    DEBUGGER="cgdb --args"
 fi
 
 if [ "$1" = "--callgrind" ]
@@ -178,6 +181,13 @@
     DEBUGGER="valgrind --tool=callgrind --instr-atstart=no"
 fi
 
+if [ "$1" = "--callgrind-startup" ]
+then
+    shift
+    DEBUGGER="valgrind --tool=callgrind"
+fi
+
+
 if [ "$1" = "--stap" ]
 then
     shift