src/share/vm/runtime/statSampler.cpp

Print this page


   1 /*
   2  * Copyright (c) 2001, 2008, 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/_statSampler.cpp.incl"


















  27 
  28 // --------------------------------------------------------
  29 // StatSamplerTask
  30 
  31 class StatSamplerTask : public PeriodicTask {
  32   public:
  33     StatSamplerTask(int interval_time) : PeriodicTask(interval_time) {}
  34     void task() { StatSampler::collect_sample(); }
  35 };
  36 
  37 
  38 //----------------------------------------------------------
  39 // Implementation of StatSampler
  40 
  41 StatSamplerTask*              StatSampler::_task   = NULL;
  42 PerfDataList*                 StatSampler::_sampled = NULL;
  43 
  44 /*
  45  * the initialize method is called from the engage() method
  46  * and is responsible for initializing various global variables.


   1 /*
   2  * Copyright (c) 2001, 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 "classfile/systemDictionary.hpp"
  27 #include "classfile/vmSymbols.hpp"
  28 #include "memory/allocation.inline.hpp"
  29 #include "memory/resourceArea.hpp"
  30 #include "oops/oop.inline.hpp"
  31 #include "runtime/arguments.hpp"
  32 #include "runtime/java.hpp"
  33 #include "runtime/javaCalls.hpp"
  34 #include "runtime/os.hpp"
  35 #include "runtime/statSampler.hpp"
  36 #ifdef TARGET_ARCH_x86
  37 # include "vm_version_x86.hpp"
  38 #endif
  39 #ifdef TARGET_ARCH_sparc
  40 # include "vm_version_sparc.hpp"
  41 #endif
  42 #ifdef TARGET_ARCH_zero
  43 # include "vm_version_zero.hpp"
  44 #endif
  45 
  46 // --------------------------------------------------------
  47 // StatSamplerTask
  48 
  49 class StatSamplerTask : public PeriodicTask {
  50   public:
  51     StatSamplerTask(int interval_time) : PeriodicTask(interval_time) {}
  52     void task() { StatSampler::collect_sample(); }
  53 };
  54 
  55 
  56 //----------------------------------------------------------
  57 // Implementation of StatSampler
  58 
  59 StatSamplerTask*              StatSampler::_task   = NULL;
  60 PerfDataList*                 StatSampler::_sampled = NULL;
  61 
  62 /*
  63  * the initialize method is called from the engage() method
  64  * and is responsible for initializing various global variables.