Initial revision

src/server/trace-mem.gdb

+break trace_smalloc
+commands
+echo --- malloc ---\n
+bt
+cont
+end
+
+break trace_free
+commands
+echo --- free ---\n
+bt
+cont
+end
+
+break trace_srealloc
+commands
+echo --- realloc ---\n
+bt
+cont
+end