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src/hotspot/share/memory/metaspaceCounters.cpp

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rev 60538 : imported patch jep387-misc.patch
   1 /*
   2  * Copyright (c) 2012, 2013, 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 #include "precompiled.hpp"
  26 #include "memory/metaspaceCounters.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "runtime/globals.hpp"
  29 #include "runtime/perfData.hpp"
  30 #include "utilities/exceptions.hpp"
  31 
  32 class MetaspacePerfCounters: public CHeapObj<mtInternal> {
  33   friend class VMStructs;
  34   PerfVariable*      _capacity;
  35   PerfVariable*      _used;
  36   PerfVariable*      _max_capacity;
  37 
  38   PerfVariable* create_variable(const char *ns, const char *name, size_t value, TRAPS) {
  39     const char *path = PerfDataManager::counter_name(ns, name);
  40     return PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
  41   }
  42 
  43   void create_constant(const char *ns, const char *name, size_t value, TRAPS) {
  44     const char *path = PerfDataManager::counter_name(ns, name);
  45     PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
  46   }
  47 
  48  public:
  49   MetaspacePerfCounters(const char* ns, size_t min_capacity, size_t curr_capacity, size_t max_capacity, size_t used) {
  50     EXCEPTION_MARK;
  51     ResourceMark rm;
  52 


   1 /*
   2  * Copyright (c) 2012, 2020, 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 #include "precompiled.hpp"
  26 #include "memory/metaspaceCounters.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "runtime/globals.hpp"
  29 #include "runtime/perfData.hpp"
  30 #include "utilities/exceptions.hpp"
  31 
  32 class MetaspacePerfCounters: public CHeapObj<mtMetaspace> {
  33   friend class VMStructs;
  34   PerfVariable*      _capacity;
  35   PerfVariable*      _used;
  36   PerfVariable*      _max_capacity;
  37 
  38   PerfVariable* create_variable(const char *ns, const char *name, size_t value, TRAPS) {
  39     const char *path = PerfDataManager::counter_name(ns, name);
  40     return PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
  41   }
  42 
  43   void create_constant(const char *ns, const char *name, size_t value, TRAPS) {
  44     const char *path = PerfDataManager::counter_name(ns, name);
  45     PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
  46   }
  47 
  48  public:
  49   MetaspacePerfCounters(const char* ns, size_t min_capacity, size_t curr_capacity, size_t max_capacity, size_t used) {
  50     EXCEPTION_MARK;
  51     ResourceMark rm;
  52 


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