1 /*
   2  * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_MEMORY_METASPACETRACER_HPP
  26 #define SHARE_MEMORY_METASPACETRACER_HPP
  27 
  28 #include "memory/allocation.hpp"
  29 #include "memory/metaspace.hpp"
  30 #include "memory/metaspaceGCThresholdUpdater.hpp"
  31 
  32 class ClassLoaderData;
  33 
  34 class MetaspaceTracer : public CHeapObj<mtTracing> {
  35   template <typename E>
  36   void send_allocation_failure_event(ClassLoaderData *cld,
  37                                      size_t word_size,
  38                                      MetaspaceObj::Type objtype,
  39                                      Metaspace::MetadataType mdtype) const;
  40  public:
  41   void report_gc_threshold(size_t old_val,
  42                            size_t new_val,
  43                            MetaspaceGCThresholdUpdater::Type updater) const;
  44   void report_metaspace_allocation_failure(ClassLoaderData *cld,
  45                                            size_t word_size,
  46                                            MetaspaceObj::Type objtype,
  47                                            Metaspace::MetadataType mdtype) const;
  48   void report_metadata_oom(ClassLoaderData *cld,
  49                            size_t word_size,
  50                            MetaspaceObj::Type objtype,
  51                            Metaspace::MetadataType mdtype) const;
  52 
  53 };
  54 
  55 #endif // SHARE_MEMORY_METASPACETRACER_HPP