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comparison src/share/vm/runtime/perfData.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents d2a62e0f25eb
children fb19af007ffc
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
211 sample(); 211 sample();
212 } 212 }
213 213
214 void PerfLongVariant::sample() { 214 void PerfLongVariant::sample() {
215 215
216 assert(_sample_helper != NULL || _sampled != NULL, "unexpected state"); 216 // JJJ - This should not happen. Maybe the first sample is taken
217 // while the _sample_helper is being null'ed out.
218 // assert(_sample_helper != NULL || _sampled != NULL, "unexpected state");
219 if (_sample_helper == NULL) return;
217 220
218 if (_sample_helper != NULL) { 221 if (_sample_helper != NULL) {
219 *(jlong*)_valuep = _sample_helper->take_sample(); 222 *(jlong*)_valuep = _sample_helper->take_sample();
220 } 223 }
221 else if (_sampled != NULL) { 224 else if (_sampled != NULL) {