--- a/hotspot/src/share/vm/gc_implementation/shared/gcOverheadReporter.hpp	Mon Aug 24 10:36:31 2009 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,141 +0,0 @@
-/*
- * Copyright 2001-2007 Sun Microsystems, Inc.  All Rights Reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
- *
- */
-
-// Keeps track of the GC overhead (both concurrent and STW). It stores
-// it in a large array and then prints it to tty at the end of the
-// execution.
-
-// See coTracker.hpp for the explanation on what groups are.
-
-// Let's set a maximum number of concurrent overhead groups, to
-// statically allocate any arrays we need and not to have to
-// malloc/free them. This is just a bit more convenient.
-enum {
-  MaxGCOverheadGroupNum = 4
-};
-
-typedef struct {
-  double _start_sec;
-  double _end_sec;
-
-  double _conc_overhead[MaxGCOverheadGroupNum];
-  double _stw_overhead;
-} GCOverheadReporterEntry;
-
-class GCOverheadReporter {
-  friend class COReportingThread;
-
-private:
-  enum PrivateConstants {
-    DefaultReporterLength = 128 * 1024
-  };
-
-  // Reference to the single instance of this class.
-  static GCOverheadReporter* _reporter;
-
-  // These three references point to the array that contains the GC
-  // overhead entries (_base is the base of the array, _top is the
-  // address passed the last entry of the array, _curr is the next
-  // entry to be used).
-  GCOverheadReporterEntry* _base;
-  GCOverheadReporterEntry* _top;
-  GCOverheadReporterEntry* _curr;
-
-  // The number of concurrent overhead groups.
-  size_t _group_num;
-
-  // The wall-clock time of the end of the last recorded period of GC
-  // overhead.
-  double _prev_end_sec;
-
-  // Names for the concurrent overhead groups.
-  const char* _group_names[MaxGCOverheadGroupNum];
-
-  // Add a new entry to the large array. conc_overhead being NULL is
-  // equivalent to an array full of 0.0s. conc_overhead should have a
-  // length of at least _group_num.
-  void add(double start_sec, double end_sec,
-           double* conc_overhead,
-           double stw_overhead);
-
-  // Add an entry that represents concurrent GC overhead.
-  // conc_overhead must be at least of length _group_num.
-  // conc_overhead being NULL is equivalent to an array full of 0.0s.
-  void add_conc_overhead(double start_sec, double end_sec,
-                         double* conc_overhead) {
-    add(start_sec, end_sec, conc_overhead, 0.0);
-  }
-
-  // Add an entry that represents STW GC overhead.
-  void add_stw_overhead(double start_sec, double end_sec,
-                        double stw_overhead) {
-    add(start_sec, end_sec, NULL, stw_overhead);
-  }
-
-  // It records the start of a STW pause (i.e. it records the
-  // concurrent overhead up to that point)
-  void record_stw_start(double start_sec);
-
-  // It records the end of a STW pause (i.e. it records the overhead
-  // associated with the pause and adjusts all the trackers to reflect
-  // the pause)
-  void record_stw_end(double end_sec);
-
-  // It queries all the trackers of their concurrent overhead and
-  // records it.
-  void collect_and_record_conc_overhead(double end_sec);
-
-  // It prints the contents of the GC overhead array
-  void print() const;
-
-
-  // Constructor. The same preconditions for group_num and group_names
-  // from initGCOverheadReporter apply here too.
-  GCOverheadReporter(size_t group_num,
-                     const char* group_names[],
-                     size_t length = DefaultReporterLength);
-
-public:
-
-  // statics
-
-  // It initialises the GCOverheadReporter and launches the concurrent
-  // overhead reporting thread. Both actions happen only if the
-  // GCOverheadReporting parameter is set. The length of the
-  // group_names array should be >= group_num and group_num should be
-  // <= MaxGCOverheadGroupNum. Entries group_namnes[0..group_num-1]
-  // should not be NULL.
-  static void initGCOverheadReporter(size_t group_num,
-                                     const char* group_names[]);
-
-  // The following three are provided for convenience and they are
-  // wrappers around record_stw_start(start_sec), record_stw_end(end_sec),
-  // and print(). Each of these checks whether GC overhead reporting
-  // is on (i.e. _reporter != NULL) and, if it is, calls the
-  // corresponding method. Saves from repeating this pattern again and
-  // again from the places where they need to be called.
-  static void recordSTWStart(double start_sec);
-  static void recordSTWEnd(double end_sec);
-  static void printGCOverhead();
-};