jdk8-mips64-public/hotspot: src/share/vm/utilities/histogram.cpp@0fbdb4381b99

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

     1 /*

     2  * Copyright 1998-2004 Sun Microsystems, Inc.  All Rights Reserved.

     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  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 # include "incls/_precompiled.incl"

    26 # include "incls/_histogram.cpp.incl"

    28 #ifdef ASSERT

    30 ////////////////// HistogramElement ////////////////////////

    32 HistogramElement::HistogramElement() {

    33   _count = 0;

    34 }

    36 int HistogramElement::count() {

    37   return _count;

    38 }

    40 const char* HistogramElement::name() {

    41   return _name;

    42 }

    44 void HistogramElement::increment_count() {

    45   // We can't use the accessor :-(.

    46   Atomic::inc(&_count);

    47 }

    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 }

    58 void HistogramElement::print_on(outputStream* st) const {

    59   st->print("%10d   ",((HistogramElement*)this)->count());

    60   st->print_cr("%s",((HistogramElement*)this)->name());

    61 }

    63 ////////////////// Histogram ////////////////////////

    65 int Histogram::sort_helper(HistogramElement** e1, HistogramElement** e2) {

    66   return (*e1)->compare(*e1,*e2);

    67 }

    69 Histogram::Histogram(const char* title,int estimatedCount) {

    70   _title = title;

    71   _elements = new (ResourceObj::C_HEAP) GrowableArray<HistogramElement*>(estimatedCount,true);

    72 }

    74 void Histogram::add_element(HistogramElement* element) {

    75   // Note, we need to add locking !

    76   elements()->append(element);

    77 }

    79 void Histogram::print_header(outputStream* st) {

    80   st->print_cr("%s",title());

    81   st->print_cr("--------------------------------------------------");

    82 }

    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 }

    95 void Histogram::print_on(outputStream* st) const {

    96   ((Histogram*)this)->print_header(st);

    97   ((Histogram*)this)->print_elements(st);

    98 }

   100 #endif

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