Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/utilities/intHisto.cpp@4b2838704fd5 (annotated)
src/share/vm/utilities/intHisto.cpp
Fri, 16 Aug 2013 14:11:40 -0700
- author
- kvn
- date
- Fri, 16 Aug 2013 14:11:40 -0700
- changeset 5543
- 4b2838704fd5
- parent 4153
- b9a9ed0f8eeb
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8021898: Broken JIT compiler optimization for loop unswitching
Summary: fix method clone_projs() to clone all related MachProj nodes.
Reviewed-by: roland, adlertz
| ysr@777 | 1 | /* |
| mikael@4153 | 2 | * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
| ysr@777 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| ysr@777 | 4 | * |
| ysr@777 | 5 | * This code is free software; you can redistribute it and/or modify it |
| ysr@777 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| ysr@777 | 7 | * published by the Free Software Foundation. |
| ysr@777 | 8 | * |
| ysr@777 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| ysr@777 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| ysr@777 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| ysr@777 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| ysr@777 | 13 | * accompanied this code). |
| ysr@777 | 14 | * |
| ysr@777 | 15 | * You should have received a copy of the GNU General Public License version |
| ysr@777 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| ysr@777 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| ysr@777 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| ysr@777 | 22 | * |
| ysr@777 | 23 | */ |
| ysr@777 | 24 | |
| stefank@2314 | 25 | #include "precompiled.hpp" |
| stefank@2314 | 26 | #include "utilities/intHisto.hpp" |
| ysr@777 | 27 | |
| ysr@777 | 28 | IntHistogram::IntHistogram(int est, int max) : _max(max), _tot(0) { |
| ysr@777 | 29 | assert(0 <= est && est <= max, "Preconditions"); |
| zgu@3900 | 30 | _elements = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<int>(est, true); |
| ysr@777 | 31 | guarantee(_elements != NULL, "alloc failure"); |
| ysr@777 | 32 | } |
| ysr@777 | 33 | |
| ysr@777 | 34 | void IntHistogram::add_entry(int outcome) { |
| ysr@777 | 35 | if (outcome > _max) outcome = _max; |
| ysr@777 | 36 | int new_count = _elements->at_grow(outcome) + 1; |
| ysr@777 | 37 | _elements->at_put(outcome, new_count); |
| ysr@777 | 38 | _tot++; |
| ysr@777 | 39 | } |
| ysr@777 | 40 | |
| ysr@777 | 41 | int IntHistogram::entries_for_outcome(int outcome) { |
| ysr@777 | 42 | return _elements->at_grow(outcome); |
| ysr@777 | 43 | } |
| ysr@777 | 44 | |
| ysr@777 | 45 | void IntHistogram::print_on(outputStream* st) const { |
| ysr@777 | 46 | double tot_d = (double)_tot; |
| ysr@777 | 47 | st->print_cr("Outcome # of occurrences %% of occurrences"); |
| ysr@777 | 48 | st->print_cr("-----------------------------------------------"); |
| ysr@777 | 49 | for (int i=0; i < _elements->length()-2; i++) { |
| ysr@777 | 50 | int cnt = _elements->at(i); |
| ysr@777 | 51 | if (cnt != 0) { |
| ysr@777 | 52 | st->print_cr("%7d %10d %8.4f", |
| ysr@777 | 53 | i, cnt, (double)cnt/tot_d); |
| ysr@777 | 54 | } |
| ysr@777 | 55 | } |
| ysr@777 | 56 | // Does it have any max entries? |
| ysr@777 | 57 | if (_elements->length()-1 == _max) { |
| ysr@777 | 58 | int cnt = _elements->at(_max); |
| ysr@777 | 59 | st->print_cr(">= %4d %10d %8.4f", |
| ysr@777 | 60 | _max, cnt, (double)cnt/tot_d); |
| ysr@777 | 61 | } |
| ysr@777 | 62 | st->print_cr("-----------------------------------------------"); |
| ysr@777 | 63 | st->print_cr(" All %10d %8.4f", _tot, 1.0); |
| ysr@777 | 64 | } |
