1 /*
2 * Copyright (c) 2015, 2016, 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_verify_string(const char* expected_string, const char* actual_string) {
88 const size_t expected_len = strlen(expected_string);
89
90 assert(expected_len == strlen(actual_string),
91 "Wrong string length, expected " SIZE_FORMAT " but got " SIZE_FORMAT "(Expected '%s' but got: '%s')",
92 expected_len, strlen(actual_string), expected_string, actual_string);
93
94 // Can't use strncmp here because floating point values use different decimal points for different locales.
95 // Allow strings to differ in "." vs. "," only. This should still catch most errors.
96 for (size_t i = 0; i < expected_len; i++) {
97 char e = expected_string[i];
98 char a = actual_string[i];
99 if (e != a) {
100 if ((e == '.' || e == ',') && (a == '.' || a == ',')) {
101 // Most likely just a difference in locale
102 } else {
103 assert(false, "Expected '%s' but got: '%s'", expected_string, actual_string);
104 }
105 }
106 }
107 }
108
109 void WorkerDataArray_test_verify_array(WorkerDataArray<size_t>& array, size_t expected_sum, double expected_avg, const char* expected_summary, const char* exected_details) {
110 const double epsilon = 0.0001;
111 assert(array.sum() == expected_sum, "Wrong sum, expected: " SIZE_FORMAT " but got: " SIZE_FORMAT, expected_sum, array.sum());
112 assert(fabs(array.average() - expected_avg) < epsilon, "Wrong average, expected: %f but got: %f", expected_avg, array.average());
113
114 ResourceMark rm;
115 stringStream out;
116 array.print_summary_on(&out);
117 WorkerDataArray_test_verify_string(expected_summary, out.as_string());
118 out.reset();
119 array.print_details_on(&out);
120 WorkerDataArray_test_verify_string(exected_details, out.as_string());
121 }
122
123 void WorkerDataArray_test_verify_array(WorkerDataArray<double>& array, double expected_sum, double expected_avg, const char* expected_summary, const char* exected_details) {
124 const double epsilon = 0.0001;
125 assert(fabs(array.sum() - expected_sum) < epsilon, "Wrong sum, expected: %f but got: %f", expected_sum, array.sum());
126 assert(fabs(array.average() - expected_avg) < epsilon, "Wrong average, expected: %f but got: %f", expected_avg, array.average());
127
128 ResourceMark rm;
129 stringStream out;
130 array.print_summary_on(&out);
131 WorkerDataArray_test_verify_string(expected_summary, out.as_string());
132 out.reset();
133 array.print_details_on(&out);
134 WorkerDataArray_test_verify_string(exected_details, out.as_string());
135 }
136
137 void WorkerDataArray_test_basic() {
138 WorkerDataArray<size_t> array(3, "Test array");
139 array.set(0, 5);
140 array.set(1, 3);
141 array.set(2, 7);
142
143 WorkerDataArray_test_verify_array(array, 15, 5.0,
144 "Test array Min: 3, Avg: 5.0, Max: 7, Diff: 4, Sum: 15, Workers: 3\n",
145 " 5 3 7\n" );
146 }
147
148 void WorkerDataArray_test_add() {
149 WorkerDataArray<size_t> array(3, "Test array");
150 array.set(0, 5);
151 array.set(1, 3);
152 array.set(2, 7);
153
154 for (uint i = 0; i < 3; i++) {
155 array.add(i, 1);
156 }
157
158 WorkerDataArray_test_verify_array(array, 18, 6.0,
159 "Test array Min: 4, Avg: 6.0, Max: 8, Diff: 4, Sum: 18, Workers: 3\n",
160 " 6 4 8\n" );
161 }
162
163 void WorkerDataArray_test_with_uninitialized() {
164 WorkerDataArray<size_t> array(3, "Test array");
165 array.set(0, 5);
166 array.set(1, WorkerDataArray<size_t>::uninitialized());
167 array.set(2, 7);
168
169 WorkerDataArray_test_verify_array(array, 12, 6,
170 "Test array Min: 5, Avg: 6.0, Max: 7, Diff: 2, Sum: 12, Workers: 2\n",
171 " 5 - 7\n" );
172 }
173
174 void WorkerDataArray_test_uninitialized() {
175 WorkerDataArray<size_t> array(3, "Test array");
176 array.set(0, WorkerDataArray<size_t>::uninitialized());
177 array.set(1, WorkerDataArray<size_t>::uninitialized());
178 array.set(2, WorkerDataArray<size_t>::uninitialized());
179
180 WorkerDataArray_test_verify_array(array, 0, 0.0,
181 "Test array skipped\n",
182 " - - -\n" );
183 }
184
185 void WorkerDataArray_test_double_with_uninitialized() {
186 WorkerDataArray<double> array(3, "Test array");
187 array.set(0, 5.1 / MILLIUNITS);
188 array.set(1, WorkerDataArray<double>::uninitialized());
189 array.set(2, 7.2 / MILLIUNITS);
190
191 WorkerDataArray_test_verify_array(array, 12.3 / MILLIUNITS, 6.15 / MILLIUNITS,
192 "Test array Min: 5.1, Avg: 6.1, Max: 7.2, Diff: 2.1, Sum: 12.3, Workers: 2\n",
193 " 5.1 - 7.2\n" );
194 }
195
196 void WorkerDataArray_test() {
197 WorkerDataArray_test_basic();
198 WorkerDataArray_test_add();
199 WorkerDataArray_test_with_uninitialized();
200 WorkerDataArray_test_uninitialized();
201 WorkerDataArray_test_double_with_uninitialized();
202 }
203
204 #endif