src/share/vm/interpreter/bytecodeHistogram.cpp

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   1 /*
   2  * Copyright (c) 1997, 2000, 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 "incls/_precompiled.incl"
  26 # include "incls/_bytecodeHistogram.cpp.incl"



  27 
  28 // ------------------------------------------------------------------------------------------------
  29 // Non-product code
  30 #ifndef PRODUCT
  31 
  32 // Implementation of BytecodeCounter
  33 
  34 int   BytecodeCounter::_counter_value = 0;
  35 jlong BytecodeCounter::_reset_time    = 0;
  36 
  37 
  38 void BytecodeCounter::reset() {
  39   _counter_value = 0;
  40   _reset_time    = os::elapsed_counter();
  41 }
  42 
  43 
  44 double BytecodeCounter::elapsed_time() {
  45   return (double)(os::elapsed_counter() - _reset_time) / (double)os::elapsed_frequency();
  46 }


   1 /*
   2  * Copyright (c) 1997, 2010, 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 "interpreter/bytecodeHistogram.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "runtime/os.hpp"
  29 #include "utilities/growableArray.hpp"
  30 
  31 // ------------------------------------------------------------------------------------------------
  32 // Non-product code
  33 #ifndef PRODUCT
  34 
  35 // Implementation of BytecodeCounter
  36 
  37 int   BytecodeCounter::_counter_value = 0;
  38 jlong BytecodeCounter::_reset_time    = 0;
  39 
  40 
  41 void BytecodeCounter::reset() {
  42   _counter_value = 0;
  43   _reset_time    = os::elapsed_counter();
  44 }
  45 
  46 
  47 double BytecodeCounter::elapsed_time() {
  48   return (double)(os::elapsed_counter() - _reset_time) / (double)os::elapsed_frequency();
  49 }