/*

 * Copyright (c) 2014, 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.

 *

 */

#include "precompiled.hpp"

#include "classfile/classLoaderData.hpp"

#include "memory/metaspaceTracer.hpp"

#include "oops/oop.inline.hpp"

#include "trace/tracing.hpp"

#include "trace/traceBackend.hpp"

void MetaspaceTracer::report_gc_threshold(size_t old_val,

                                          size_t new_val,

                                          MetaspaceGCThresholdUpdater::Type updater) const {

  EventMetaspaceGCThreshold event;

  if (event.should_commit()) {

    event.set_oldValue(old_val);

    event.set_newValue(new_val);

    event.set_updater((u1)updater);

    event.commit();

  }

}

void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,

                                                          size_t word_size,

                                                          MetaspaceObj::Type objtype,

                                                          Metaspace::MetadataType mdtype) const {

  send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype);

}

void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld,

                                         size_t word_size,

                                         MetaspaceObj::Type objtype,

                                         Metaspace::MetadataType mdtype) const {

  send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype);

}

template <typename E>

void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld,

                                                    size_t word_size,

                                                    MetaspaceObj::Type objtype,

                                                    Metaspace::MetadataType mdtype) const {

  E event;

  if (event.should_commit()) {

    if (cld->is_anonymous()) {

      event.set_classLoader(NULL);

      event.set_anonymousClassLoader(true);

    } else {

      if (cld->is_the_null_class_loader_data()) {

        event.set_classLoader((Klass*) NULL);

      } else {

        event.set_classLoader(cld->class_loader()->klass());

      }

      event.set_anonymousClassLoader(false);

    }

    event.set_size(word_size * BytesPerWord);

    event.set_metadataType((u1) mdtype);

    event.set_metaspaceObjectType((u1) objtype);

    event.commit();

  }

}