< prev index next >

src/share/vm/runtime/timer.hpp

Print this page
rev 8910 : full patch for jfr
   1 /*
   2  * Copyright (c) 1997, 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  *


 106 class TraceCPUTime: public StackObj {
 107  private:
 108   bool _active;                 // true if times will be measured and printed
 109   bool _print_cr;               // if true print carriage return at end
 110   double _starting_user_time;   // user time at start of measurement
 111   double _starting_system_time; // system time at start of measurement
 112   double _starting_real_time;   // real time at start of measurement
 113   outputStream* _logfile;       // output is printed to this stream
 114   bool _error;                  // true if an error occurred, turns off output
 115 
 116  public:
 117   TraceCPUTime(bool doit = true,
 118                bool print_cr = true,
 119                outputStream *logfile = NULL);
 120   ~TraceCPUTime();
 121 };
 122 
 123 class TimeHelper {
 124  public:
 125   static double counter_to_seconds(jlong counter);

 126 };
 127 
 128 #endif // SHARE_VM_RUNTIME_TIMER_HPP
   1 /*
   2  * Copyright (c) 1997, 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  *


 106 class TraceCPUTime: public StackObj {
 107  private:
 108   bool _active;                 // true if times will be measured and printed
 109   bool _print_cr;               // if true print carriage return at end
 110   double _starting_user_time;   // user time at start of measurement
 111   double _starting_system_time; // system time at start of measurement
 112   double _starting_real_time;   // real time at start of measurement
 113   outputStream* _logfile;       // output is printed to this stream
 114   bool _error;                  // true if an error occurred, turns off output
 115 
 116  public:
 117   TraceCPUTime(bool doit = true,
 118                bool print_cr = true,
 119                outputStream *logfile = NULL);
 120   ~TraceCPUTime();
 121 };
 122 
 123 class TimeHelper {
 124  public:
 125   static double counter_to_seconds(jlong counter);
 126   static double counter_to_milliseconds(jlong counter);
 127 };
 128 
 129 #endif // SHARE_VM_RUNTIME_TIMER_HPP
< prev index next >