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annotate src/share/vm/utilities/histogram.cpp @ 1633:65b0c03b165d
6965671: fatal error: acquiring lock JNIGlobalHandle_lock/16 out of order with lock CodeCache_lock/1
Reviewed-by: kvn, dcubed
author | never |
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date | Fri, 02 Jul 2010 15:01:47 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_histogram.cpp.incl" | |
27 | |
28 #ifdef ASSERT | |
29 | |
30 ////////////////// HistogramElement //////////////////////// | |
31 | |
32 HistogramElement::HistogramElement() { | |
33 _count = 0; | |
34 } | |
35 | |
36 int HistogramElement::count() { | |
37 return _count; | |
38 } | |
39 | |
40 const char* HistogramElement::name() { | |
41 return _name; | |
42 } | |
43 | |
44 void HistogramElement::increment_count() { | |
45 // We can't use the accessor :-(. | |
46 Atomic::inc(&_count); | |
47 } | |
48 | |
49 int HistogramElement::compare(HistogramElement* e1,HistogramElement* e2) { | |
50 if(e1->count() > e2->count()) { | |
51 return -1; | |
52 } else if(e1->count() < e2->count()) { | |
53 return 1; | |
54 } | |
55 return 0; | |
56 } | |
57 | |
58 void HistogramElement::print_on(outputStream* st) const { | |
59 st->print("%10d ",((HistogramElement*)this)->count()); | |
60 st->print_cr("%s",((HistogramElement*)this)->name()); | |
61 } | |
62 | |
63 ////////////////// Histogram //////////////////////// | |
64 | |
65 int Histogram::sort_helper(HistogramElement** e1, HistogramElement** e2) { | |
66 return (*e1)->compare(*e1,*e2); | |
67 } | |
68 | |
69 Histogram::Histogram(const char* title,int estimatedCount) { | |
70 _title = title; | |
71 _elements = new (ResourceObj::C_HEAP) GrowableArray<HistogramElement*>(estimatedCount,true); | |
72 } | |
73 | |
74 void Histogram::add_element(HistogramElement* element) { | |
75 // Note, we need to add locking ! | |
76 elements()->append(element); | |
77 } | |
78 | |
79 void Histogram::print_header(outputStream* st) { | |
80 st->print_cr("%s",title()); | |
81 st->print_cr("--------------------------------------------------"); | |
82 } | |
83 | |
84 void Histogram::print_elements(outputStream* st) { | |
85 elements()->sort(Histogram::sort_helper); | |
86 jint total = 0; | |
87 for(int i=0; i < elements()->length(); i++) { | |
88 elements()->at(i)->print(); | |
89 total += elements()->at(i)->count(); | |
90 } | |
91 st->print("%10d ", total); | |
92 st->print_cr("Total"); | |
93 } | |
94 | |
95 void Histogram::print_on(outputStream* st) const { | |
96 ((Histogram*)this)->print_header(st); | |
97 ((Histogram*)this)->print_elements(st); | |
98 } | |
99 | |
100 #endif |