svn commit: r234897 - head/sys/boot/sparc64/loader

[Marius Strobl]

Author: marius
Date: Tue May  1 16:38:33 2012
New Revision: 234897
URL: http://svn.freebsd.org/changeset/base/234897

Log:
  Add a command for showing the heap usage.
  
  PR:		165025
  Submitted by:	Gavin Mu
  MFC after:	1 week

Modified:
  head/sys/boot/sparc64/loader/main.c

Modified: head/sys/boot/sparc64/loader/main.c
==============================================================================
--- head/sys/boot/sparc64/loader/main.c	Tue May  1 16:18:38 2012	(r234896)
+++ head/sys/boot/sparc64/loader/main.c	Tue May  1 16:38:33 2012	(r234897)
@@ -800,6 +800,18 @@ main(int (*openfirm)(void *))
 	return (1);
 }
 
+COMMAND_SET(heap, "heap", "show heap usage", command_heap);
+
+static int
+command_heap(int argc, char *argv[])
+{
+
+	mallocstats();
+	printf("heap base at %p, top at %p, upper limit at %p\n", heapva,
+	    sbrk(0), heapva + HEAPSZ);
+	return(CMD_OK);
+}
+
 COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
 
 static int