wanabe	2010-03-04 13:51:43 +0900 (Thu, 04 Mar 2010)

  New Revision: 26814

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=26814

  Log:
    * gc.c (gc_profile_total_time): add GC::Profiler.total_time.
    
    * NEWS: ditto.

  Modified files:
    trunk/ChangeLog
    trunk/NEWS
    trunk/gc.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 26813)
+++ ChangeLog	(revision 26814)
@@ -1,3 +1,9 @@
+Mon Mar  4 13:14:34 2010  wanabe  <s.wanabe@g...>
+
+	* gc.c (gc_profile_total_time): add GC::Profiler.total_time.
+
+	* NEWS: ditto.
+
 Thu Mar  4 10:15:10 2010  NARUSE, Yui  <naruse@r...>
 
 	* complex.c (m_log, m_exp): remove unused functions.
Index: gc.c
===================================================================
--- gc.c	(revision 26813)
+++ gc.c	(revision 26814)
@@ -3129,6 +3129,28 @@
 }
 
 /*
+ *  call-seq:
+ *     GC::Profiler.total_time -> float
+ *
+ *  return total time that GC used. (msec)
+ */
+
+static VALUE
+gc_profile_total_time(VALUE self)
+{
+    double time = 0;
+    rb_objspace_t *objspace = &rb_objspace;
+    size_t i;
+
+    if (objspace->profile.run && objspace->profile.count) {
+	for (i = 0; i < objspace->profile.count; i++) {
+	    time += objspace->profile.record[i].gc_time;
+	}
+    }
+    return DBL2NUM(time);
+}
+
+/*
  *  The <code>GC</code> module provides an interface to Ruby's mark and
  *  sweep garbage collection mechanism. Some of the underlying methods
  *  are also available via the <code>ObjectSpace</code> module.
@@ -3156,6 +3178,7 @@
     rb_define_singleton_method(rb_mProfiler, "clear", gc_profile_clear, 0);
     rb_define_singleton_method(rb_mProfiler, "result", gc_profile_result, 0);
     rb_define_singleton_method(rb_mProfiler, "report", gc_profile_report, -1);
+    rb_define_singleton_method(rb_mProfiler, "total_time", gc_profile_total_time, 0);
 
     rb_mObSpace = rb_define_module("ObjectSpace");
     rb_define_module_function(rb_mObSpace, "each_object", os_each_obj, -1);
Index: NEWS
===================================================================
--- NEWS	(revision 26813)
+++ NEWS	(revision 26814)
@@ -69,6 +69,10 @@
       * File.realpath
       * File.realdirpath
 
+  * GC::Profiler
+    * new method:
+      * GC::Profiler.total_time
+
   * IO
     * new method:
       * IO#fdatasync

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