jdk8-mips64-public/hotspot: src/share/vm/trace/traceEvent.hpp@fa21c9537e6e (annotated)

src/share/vm/trace/traceEvent.hpp@fa21c9537e6e (annotated)

src/share/vm/trace/traceEvent.hpp

Wed, 26 Mar 2014 14:15:02 +0100

author: ehelin
date: Wed, 26 Mar 2014 14:15:02 +0100
changeset 6608: fa21c9537e6e
parent 6131: 86e6d691f2e1
child 6876: 710a3c8b516e
child 7367: 82d3e7b5277a
permissions: -rw-r--r--

8035667: EventMetaspaceSummary doesn't report committed Metaspace memory
Reviewed-by: jmasa, stefank

 /*
  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #ifndef SHARE_VM_TRACE_TRACEEVENT_HPP
 #define SHARE_VM_TRACE_TRACEEVENT_HPP
 #include "utilities/macros.hpp"
 enum EventStartTime {
   UNTIMED,
   TIMED
 };
 #if INCLUDE_TRACE
 #include "trace/traceBackend.hpp"
 #include "trace/tracing.hpp"
 #include "tracefiles/traceEventIds.hpp"
 #include "tracefiles/traceTypes.hpp"
 #include "utilities/ticks.hpp"
 template<typename T>
 class TraceEvent : public StackObj {
  private:
   bool _started;
 #ifdef ASSERT
   bool _committed;
   bool _cancelled;
  protected:
   bool _ignore_check;
 #endif
  protected:
   jlong _startTime;
   jlong _endTime;
   void set_starttime(const TracingTime& time) {
     _startTime = time;
   }
   void set_endtime(const TracingTime& time) {
     _endTime = time;
   }
  public:
   TraceEvent(EventStartTime timing=TIMED) :
     _startTime(0),
     _endTime(0),
     _started(false)
 #ifdef ASSERT
     ,
     _committed(false),
     _cancelled(false),
     _ignore_check(false)
 #endif
   {
     if (T::is_enabled()) {
       _started = true;
       if (timing == TIMED && !T::isInstant) {
         static_cast<T *>(this)->set_starttime(Tracing::time());
       }
     }
   }
   static bool is_enabled() {
     return Tracing::is_event_enabled(T::eventId);
   }
   bool should_commit() {
     return _started;
   }
   void ignoreCheck() {
     DEBUG_ONLY(_ignore_check = true);
   }
   void commit() {
     if (!should_commit()) {
         cancel();
         return;
     }
     if (_endTime == 0) {
       static_cast<T*>(this)->set_endtime(Tracing::time());
     }
     if (static_cast<T*>(this)->should_write()) {
       static_cast<T*>(this)->writeEvent();
     }
     set_commited();
   }
   void set_starttime(const Ticks& time) {
     _startTime = time.value();
   }
   void set_endtime(const Ticks& time) {
     _endTime = time.value();
   }
   TraceEventId id() const {
     return T::eventId;
   }
   bool is_instant() const {
     return T::isInstant;
   }
   bool is_requestable() const {
     return T::isRequestable;
   }
   bool has_thread() const {
     return T::hasThread;
   }
   bool has_stacktrace() const {
     return T::hasStackTrace;
   }
   void cancel() {
     assert(!_committed && !_cancelled, "event was already committed/cancelled");
     DEBUG_ONLY(_cancelled = true);
   }
   void set_commited() {
     assert(!_committed, "event has already been committed");
     DEBUG_ONLY(_committed = true);
   }
   ~TraceEvent() {
     if (_started) {
       assert(_ignore_check || _committed || _cancelled, "event was not committed/cancelled");
     }
   }
 };
 #endif /* INCLUDE_TRACE */
 #endif /* SHARE_VM_TRACE_TRACEEVENT_HPP */

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/trace/traceEvent.hpp@fa21c9537e6e (annotated)

src/share/vm/trace/traceEvent.hpp