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 */ 24 25 #include "precompiled.hpp" 26 #include "classfile/classLoaderData.hpp" 27 #include "jfr/jfrEvents.hpp" 28 #include "memory/metaspaceTracer.hpp" 29 #include "oops/oop.inline.hpp" 30 31 void MetaspaceTracer::report_gc_threshold(size_t old_val, 32 size_t new_val, 33 MetaspaceGCThresholdUpdater::Type updater) const { 34 #if INCLUDE_JFR 35 EventMetaspaceGCThreshold event; 36 if (event.should_commit()) { 37 event.set_oldValue(old_val); 38 event.set_newValue(new_val); 39 event.set_updater((u1)updater); 40 event.commit(); 41 } 42 #endif 43 } 44 45 void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld, 46 size_t word_size, 47 MetaspaceObj::Type objtype, 48 Metaspace::MetadataType mdtype) const { 49 #if INCLUDE_JFR 50 send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype); 51 #endif 52 } 53 54 void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld, 55 size_t word_size, 56 MetaspaceObj::Type objtype, 57 Metaspace::MetadataType mdtype) const { 58 #if INCLUDE_JFR 59 send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype); 60 #endif 61 } 62 63 template <typename E> 64 void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld, 65 size_t word_size, 66 MetaspaceObj::Type objtype, 67 Metaspace::MetadataType mdtype) const { 68 #if INCLUDE_JFR 69 E event; 70 if (event.should_commit()) { 71 if (cld->is_anonymous()) { 72 event.set_classLoader(NULL); 73 event.set_anonymousClassLoader(true); 74 } else { 75 if (cld->is_the_null_class_loader_data()) { 76 event.set_classLoader(NULL); 77 } else { 78 event.set_classLoader(cld); 79 } 80 event.set_anonymousClassLoader(false); 81 } 82 83 event.set_size(word_size * BytesPerWord); 84 event.set_metadataType((u1) mdtype); 85 event.set_metaspaceObjectType((u1) objtype); 86 event.commit(); 87 } 88 #endif 89 }