1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/workerDataArray.inline.hpp"
  27 #include "utilities/ostream.hpp"
  28 
  29 template <>
  30 size_t WorkerDataArray<size_t>::uninitialized() {
  31   return (size_t)-1;
  32 }
  33 
  34 template <>
  35 double WorkerDataArray<double>::uninitialized() {
  36   return -1.0;
  37 }
  38 
  39 template <>
  40 void WorkerDataArray<double>::WDAPrinter::summary(outputStream* out, double min, double avg, double max, double diff, double sum, bool print_sum) {
  41   out->print(" Min: %4.1lf, Avg: %4.1lf, Max: %4.1lf, Diff: %4.1lf", min * MILLIUNITS, avg * MILLIUNITS, max * MILLIUNITS, diff* MILLIUNITS);
  42   if (print_sum) {
  43     out->print(", Sum: %4.1lf", sum * MILLIUNITS);
  44   }
  45 }
  46 
  47 template <>
  48 void WorkerDataArray<size_t>::WDAPrinter::summary(outputStream* out, size_t min, double avg, size_t max, size_t diff, size_t sum, bool print_sum) {
  49   out->print(" Min: " SIZE_FORMAT ", Avg: %4.1lf, Max: " SIZE_FORMAT ", Diff: " SIZE_FORMAT, min, avg, max, diff);
  50   if (print_sum) {
  51     out->print(", Sum: " SIZE_FORMAT, sum);
  52   }
  53 }
  54 
  55 template <>
  56 void WorkerDataArray<double>::WDAPrinter::details(const WorkerDataArray<double>* phase, outputStream* out) {
  57   out->print("%-25s", "");
  58   for (uint i = 0; i < phase->_length; ++i) {
  59     double value = phase->get(i);
  60     if (value != phase->uninitialized()) {
  61       out->print(" %4.1lf", phase->get(i) * 1000.0);
  62     } else {
  63       out->print(" -");
  64     }
  65   }
  66   out->cr();
  67 }
  68 
  69 template <>
  70 void WorkerDataArray<size_t>::WDAPrinter::details(const WorkerDataArray<size_t>* phase, outputStream* out) {
  71   out->print("%-25s", "");
  72   for (uint i = 0; i < phase->_length; ++i) {
  73     size_t value = phase->get(i);
  74     if (value != phase->uninitialized()) {
  75       out->print("  " SIZE_FORMAT, phase->get(i));
  76     } else {
  77       out->print(" -");
  78     }
  79   }
  80   out->cr();
  81 }
  82 
  83 #ifndef PRODUCT
  84 
  85 #include "memory/resourceArea.hpp"
  86 
  87 void WorkerDataArray_test_basic() {
  88   const uint length = 3;
  89   const char* title = "Test array";
  90 
  91   WorkerDataArray<size_t> array(length, title);
  92   assert(strncmp(array.title(), title, strlen(title)) == 0 , "Expected titles to match");
  93 
  94   const size_t expected[length] = {5, 3, 7};
  95   for (uint i = 0; i < length; i++) {
  96     array.set(i, expected[i]);
  97   }
  98   for (uint i = 0; i < length; i++) {
  99     assert(array.get(i) == expected[i], "Expected elements to match");
 100   }
 101 
 102   assert(array.sum() == (5 + 3 + 7), "Expected sums to match");
 103   assert(array.average() == 5.0, "Expected averages to match");
 104 
 105   for (uint i = 0; i < length; i++) {
 106     array.add(i, 1);
 107   }
 108   for (uint i = 0; i < length; i++) {
 109     assert(array.get(i) == expected[i] + 1, "Expected add to increment values");
 110   }
 111 }
 112 
 113 void WorkerDataArray_test_with_uninitialized() {
 114   const uint length = 3;
 115   const size_t uninitilized = WorkerDataArray<size_t>::uninitialized();
 116   WorkerDataArray<size_t> array(length, "Test array");
 117 
 118   const size_t expected[length] = {5, uninitilized, 7};
 119   for (uint i = 0; i < length; i++) {
 120     array.set(i, expected[i]);
 121   }
 122   for (uint i = 0; i < length; i++) {
 123     assert(array.get(i) == expected[i], "Expected elements to match");
 124   }
 125 
 126   assert(array.sum() == (5 + 7), "Expected sums to match");
 127   assert(array.average() == 6.0, "Expected averages to match");
 128 }
 129 
 130 void WorkerDataArray_test_uninitialized() {
 131   const uint length = 3;
 132   const size_t uninitilized = WorkerDataArray<size_t>::uninitialized();
 133   WorkerDataArray<size_t> array(length, "Test array");
 134 
 135   for (uint i = 0; i < length; i++) {
 136     array.set(i, uninitilized);
 137   }
 138 
 139   assert(array.sum() == 0, "Sum should be 0 when no slots have been used.");
 140   assert(array.average() == 0.0, "Average should be 0.0 when no slots have been used.");
 141 }
 142 
 143 void WorkerDataArray_test_print_summary() {
 144   const uint length = 4;
 145   const size_t uninitilized = WorkerDataArray<size_t>::uninitialized();
 146   WorkerDataArray<size_t> array(length, "Test array");
 147 
 148   const size_t expected[length] = {5, uninitilized, 7, uninitilized};
 149   for (uint i = 0; i < length; i++) {
 150     array.set(i, expected[i]);
 151   }
 152 
 153   ResourceMark rm;
 154   stringStream out;
 155   array.print_summary_on(&out);
 156   const char* out_string = out.as_string();
 157   const char* expected_string = "Test array                Min: 5, Avg:  6,0, Max: 7, Diff: 2, Sum: 12, Workers: 2\n";
 158   const size_t expected_len = strlen(expected_string);
 159   assert(expected_len == strlen(out_string), "Wrong string length, expected " SIZE_FORMAT " but got " SIZE_FORMAT, expected_len, strlen(out_string));
 160   assert(strncmp(expected_string, out_string, expected_len) == 0, "Expected '%s' but got: '%s'", expected_string, out_string);
 161 }
 162 
 163 void WorkerDataArray_test_print_summary_skipped() {
 164   const uint length = 2;
 165   const size_t uninitilized = WorkerDataArray<size_t>::uninitialized();
 166   WorkerDataArray<size_t> array(length, "Test array");
 167 
 168   const size_t expected[length] = {uninitilized, uninitilized};
 169   for (uint i = 0; i < length; i++) {
 170     array.set(i, expected[i]);
 171   }
 172 
 173   ResourceMark rm;
 174   stringStream out;
 175   array.print_summary_on(&out);
 176   const char* out_string = out.as_string();
 177   const char* expected_string = "Test array                skipped\n";
 178   const size_t expected_len = strlen(expected_string);
 179   assert(expected_len == strlen(out_string), "Wrong string length, expected " SIZE_FORMAT " but got " SIZE_FORMAT, expected_len, strlen(out_string));
 180   assert(strncmp(expected_string, out_string, expected_len) == 0, "Expected '%s' but got: '%s'", expected_string, out_string);
 181 }
 182 
 183 void WorkerDataArray_test_print_details() {
 184   const uint length = 4;
 185   const size_t uninitilized = WorkerDataArray<size_t>::uninitialized();
 186   WorkerDataArray<size_t> array(length, "Test array");
 187 
 188   const size_t expected[length] = {5, uninitilized, 7, uninitilized};
 189   for (uint i = 0; i < length; i++) {
 190     array.set(i, expected[i]);
 191   }
 192 
 193   ResourceMark rm;
 194   stringStream out;
 195   array.print_details_on(&out);
 196   const char* out_string = out.as_string();
 197   const char* expected_string = "                           5 -  7 -\n";
 198   const size_t expected_len = strlen(expected_string);
 199   assert(expected_len == strlen(out_string), "Wrong string length, expected " SIZE_FORMAT " but got " SIZE_FORMAT, expected_len, strlen(out_string));
 200   assert(strncmp(expected_string, out_string, expected_len) == 0, "Expected '%s' but got: '%s'", expected_string, out_string);
 201 }
 202 
 203 void WorkerDataArray_test() {
 204   WorkerDataArray_test_basic();
 205   WorkerDataArray_test_with_uninitialized();
 206   WorkerDataArray_test_uninitialized();
 207   WorkerDataArray_test_print_summary();
 208   WorkerDataArray_test_print_summary_skipped();
 209   WorkerDataArray_test_print_details();
 210 }
 211 
 212 #endif