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annotate src/share/vm/utilities/intHisto.cpp @ 15457:c0e1a8693e0e
mx: added --jdt-warning-as-error when building annotation processor jars
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 01 May 2014 11:51:45 +0200 |
parents | b9a9ed0f8eeb |
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342 | 1 /* |
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7197424: update copyright year to match last edit in jdk8 hotspot repository
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2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
342 | 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 |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
342 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "utilities/intHisto.hpp" | |
342 | 27 |
28 IntHistogram::IntHistogram(int est, int max) : _max(max), _tot(0) { | |
29 assert(0 <= est && est <= max, "Preconditions"); | |
6197 | 30 _elements = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<int>(est, true); |
342 | 31 guarantee(_elements != NULL, "alloc failure"); |
32 } | |
33 | |
34 void IntHistogram::add_entry(int outcome) { | |
35 if (outcome > _max) outcome = _max; | |
36 int new_count = _elements->at_grow(outcome) + 1; | |
37 _elements->at_put(outcome, new_count); | |
38 _tot++; | |
39 } | |
40 | |
41 int IntHistogram::entries_for_outcome(int outcome) { | |
42 return _elements->at_grow(outcome); | |
43 } | |
44 | |
45 void IntHistogram::print_on(outputStream* st) const { | |
46 double tot_d = (double)_tot; | |
47 st->print_cr("Outcome # of occurrences %% of occurrences"); | |
48 st->print_cr("-----------------------------------------------"); | |
49 for (int i=0; i < _elements->length()-2; i++) { | |
50 int cnt = _elements->at(i); | |
51 if (cnt != 0) { | |
52 st->print_cr("%7d %10d %8.4f", | |
53 i, cnt, (double)cnt/tot_d); | |
54 } | |
55 } | |
56 // Does it have any max entries? | |
57 if (_elements->length()-1 == _max) { | |
58 int cnt = _elements->at(_max); | |
59 st->print_cr(">= %4d %10d %8.4f", | |
60 _max, cnt, (double)cnt/tot_d); | |
61 } | |
62 st->print_cr("-----------------------------------------------"); | |
63 st->print_cr(" All %10d %8.4f", _tot, 1.0); | |
64 } |