Initial prototype of vmstats support, based on Dart VM Stats draft design doc.

runtime/bin/bin.gypi

Index: runtime/bin/bin.gypi
===================================================================
--- runtime/bin/bin.gypi	(revision 18152)
+++ runtime/bin/bin.gypi	(working copy)
@@ -538,6 +538,21 @@
       ]
     },
     {
+      # vmstats service.
+      'target_name': 'vmstats',
+      'type': 'static_library',
+      'dependencies': [
+        'libdart_io'
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        'vmstats.cc',
+        'vmstats.h',
+      ],
+    },

[siva, 2013/02/09 01:00:57]

Does this have to be a separate static library, can we list vmstats.cc and
vmstats.h along with main.cc in the targets
'dart' and 'dart_no_snapshot'?

Do you see other executables wanting to link with this library?

[Tom Ball, 2013/02/14 23:45:16]

I added to them to the targets that include main.cc as you suggested.

+    {
       # dart binary with a snapshot of corelibs built in.
       'target_name': 'dart',
       'type': 'executable',
@@ -546,6 +561,7 @@
         'libdart_builtin',
         'libdart_io',
         'generate_snapshot_file',
+        'vmstats',
       ],
       'include_dirs': [
         '..',
@@ -585,6 +601,7 @@
         'libdart_withcore',
         'libdart_builtin',
         'libdart_io',
+        'vmstats',
       ],
       'include_dirs': [
         '..',