jdk8-mips64-public/hotspot: src/share/vm/trace/traceBackend.hpp@fa21c9537e6e

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

     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 #ifndef SHARE_VM_TRACE_TRACEBACKEND_HPP

    25 #define SHARE_VM_TRACE_TRACEBACKEND_HPP

    27 #include "utilities/macros.hpp"

    29 #if INCLUDE_TRACE

    31 #include "runtime/globals.hpp"

    32 #include "runtime/os.hpp"

    33 #include "trace/traceTime.hpp"

    34 #include "tracefiles/traceEventIds.hpp"

    36 class TraceBackend {

    37 public:

    38   static bool enabled(void) {

    39     return EnableTracing;

    40   }

    42   static bool is_event_enabled(TraceEventId id) {

    43     return enabled();

    44   }

    46   static TracingTime time() {

    47     return os::elapsed_counter();

    48   }

    50   static void on_unloading_classes(void) {

    51   }

    52 };

    54 class TraceThreadData {

    55 public:

    56     TraceThreadData() {}

    57 };

    59 typedef TraceBackend Tracing;

    61 #else /* INCLUDE_TRACE */

    63 #include "trace/noTraceBackend.hpp"

    65 #endif /* INCLUDE_TRACE */

    66 #endif /* SHARE_VM_TRACE_TRACEBACKEND_HPP */

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