Implements command that shows memory usage.

1 files changed, 30 insertions, 0 deletions

diff --git a/nest/cmds.c b/nest/cmds.c
index 16fbba6..8ac3209 100644
--- a/nest/cmds.c
+++ b/nest/cmds.c
@@ -11,6 +11,7 @@
 #include "conf/conf.h"
 #include "nest/cmds.h"
 #include "lib/string.h"
+#include "lib/resource.h"
 
 void
 cmd_show_status(void)
@@ -47,3 +48,32 @@ cmd_show_symbols(struct symbol *sym)
       cli_msg(0, "");
     }
 }
+
+static void
+print_size(char *dsc, size_t val)
+{
+  char *px = " kMG";
+  int i = 0;
+  while ((val >= 10000) && (i < 3))
+    {
+      val = (val + 512) / 1024;
+      i++;
+    }
+
+  cli_msg(-1018, "%-17s %4u %cB", dsc, (unsigned) val, px[i]);
+}
+
+extern pool *rt_table_pool;
+extern pool *rta_pool;
+extern pool *proto_pool;
+
+void
+cmd_show_memory(void)
+{
+  cli_msg(-1018, "BIRD memory usage");
+  print_size("Routing tables:", rmemsize(rt_table_pool));
+  print_size("Route attributes:", rmemsize(rta_pool));
+  print_size("Protocols:", rmemsize(proto_pool));
+  print_size("Total:", rmemsize(&root_pool));
+  cli_msg(0, "");
+}