Wed, 03 Jul 2019 20:42:37 +0800
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "oops/oop.inline.hpp" |
aoqi@0 | 27 | #include "utilities/histogram.hpp" |
aoqi@0 | 28 | |
aoqi@0 | 29 | #ifdef ASSERT |
aoqi@0 | 30 | |
aoqi@0 | 31 | ////////////////// HistogramElement //////////////////////// |
aoqi@0 | 32 | |
aoqi@0 | 33 | HistogramElement::HistogramElement() { |
aoqi@0 | 34 | _count = 0; |
aoqi@0 | 35 | } |
aoqi@0 | 36 | |
aoqi@0 | 37 | int HistogramElement::count() { |
aoqi@0 | 38 | return _count; |
aoqi@0 | 39 | } |
aoqi@0 | 40 | |
aoqi@0 | 41 | const char* HistogramElement::name() { |
aoqi@0 | 42 | return _name; |
aoqi@0 | 43 | } |
aoqi@0 | 44 | |
aoqi@0 | 45 | void HistogramElement::increment_count() { |
aoqi@0 | 46 | // We can't use the accessor :-(. |
aoqi@0 | 47 | Atomic::inc(&_count); |
aoqi@0 | 48 | } |
aoqi@0 | 49 | |
aoqi@0 | 50 | int HistogramElement::compare(HistogramElement* e1,HistogramElement* e2) { |
aoqi@0 | 51 | if(e1->count() > e2->count()) { |
aoqi@0 | 52 | return -1; |
aoqi@0 | 53 | } else if(e1->count() < e2->count()) { |
aoqi@0 | 54 | return 1; |
aoqi@0 | 55 | } |
aoqi@0 | 56 | return 0; |
aoqi@0 | 57 | } |
aoqi@0 | 58 | |
aoqi@0 | 59 | void HistogramElement::print_on(outputStream* st) const { |
aoqi@0 | 60 | st->print("%10d ",((HistogramElement*)this)->count()); |
aoqi@0 | 61 | st->print_cr("%s",((HistogramElement*)this)->name()); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | ////////////////// Histogram //////////////////////// |
aoqi@0 | 65 | |
aoqi@0 | 66 | int Histogram::sort_helper(HistogramElement** e1, HistogramElement** e2) { |
aoqi@0 | 67 | return (*e1)->compare(*e1,*e2); |
aoqi@0 | 68 | } |
aoqi@0 | 69 | |
aoqi@0 | 70 | Histogram::Histogram(const char* title,int estimatedCount) { |
aoqi@0 | 71 | _title = title; |
aoqi@0 | 72 | _elements = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<HistogramElement*>(estimatedCount,true); |
aoqi@0 | 73 | } |
aoqi@0 | 74 | |
aoqi@0 | 75 | void Histogram::add_element(HistogramElement* element) { |
aoqi@0 | 76 | // Note, we need to add locking ! |
aoqi@0 | 77 | elements()->append(element); |
aoqi@0 | 78 | } |
aoqi@0 | 79 | |
aoqi@0 | 80 | void Histogram::print_header(outputStream* st) { |
aoqi@0 | 81 | st->print_cr("%s",title()); |
aoqi@0 | 82 | st->print_cr("--------------------------------------------------"); |
aoqi@0 | 83 | } |
aoqi@0 | 84 | |
aoqi@0 | 85 | void Histogram::print_elements(outputStream* st) { |
aoqi@0 | 86 | elements()->sort(Histogram::sort_helper); |
aoqi@0 | 87 | jint total = 0; |
aoqi@0 | 88 | for(int i=0; i < elements()->length(); i++) { |
aoqi@0 | 89 | elements()->at(i)->print(); |
aoqi@0 | 90 | total += elements()->at(i)->count(); |
aoqi@0 | 91 | } |
aoqi@0 | 92 | st->print("%10d ", total); |
aoqi@0 | 93 | st->print_cr("Total"); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | void Histogram::print_on(outputStream* st) const { |
aoqi@0 | 97 | ((Histogram*)this)->print_header(st); |
aoqi@0 | 98 | ((Histogram*)this)->print_elements(st); |
aoqi@0 | 99 | } |
aoqi@0 | 100 | |
aoqi@0 | 101 | #endif |