src/share/vm/memory/metaspaceTracer.cpp

Fri, 21 Mar 2014 10:20:00 +0100

author
ehelin
date
Fri, 21 Mar 2014 10:20:00 +0100
changeset 6418
bc7714614ad8
parent 6417
daef39043d2c
child 6419
5af31f70a866
permissions
-rw-r--r--

8036699: Add trace event when a metaspace allocation fails
Reviewed-by: jmasa, stefank

     1 /*
     2  * Copyright (c) 2014, 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  */
    25 #include "precompiled.hpp"
    26 #include "classfile/classLoaderData.hpp"
    27 #include "memory/metaspaceTracer.hpp"
    28 #include "trace/tracing.hpp"
    29 #include "trace/traceBackend.hpp"
    31 void MetaspaceTracer::report_gc_threshold(size_t old_val,
    32                                           size_t new_val,
    33                                           MetaspaceGCThresholdUpdater::Type updater) const {
    34   EventMetaspaceGCThreshold event;
    35   if (event.should_commit()) {
    36     event.set_oldValue(old_val);
    37     event.set_newValue(new_val);
    38     event.set_updater((u1)updater);
    39     event.commit();
    40   }
    41 }
    43 void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
    44                                                           size_t word_size,
    45                                                           MetaspaceObj::Type objtype,
    46                                                           Metaspace::MetadataType mdtype) const {
    47   EventMetaspaceAllocationFailure event;
    48   if (event.should_commit()) {
    49     if (cld->is_anonymous()) {
    50       event.set_classLoader(NULL);
    51       event.set_anonymousClassLoader(true);
    52     } else {
    53       if (cld->is_the_null_class_loader_data()) {
    54         event.set_classLoader((Klass*) NULL);
    55       } else {
    56         event.set_classLoader(cld->class_loader()->klass());
    57       }
    58       event.set_anonymousClassLoader(false);
    59     }
    61     event.set_size(word_size * BytesPerWord);
    62     event.set_metadataType((u1) mdtype);
    63     event.set_metaspaceObjectType((u1) objtype);
    64     event.commit();
    65   }
    66 }

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