20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @key stress gc
27 *
28 * @summary converted from VM Testbase gc/memory/LargePagesTest.
29 * VM Testbase keywords: [gc, stress, stressopt]
30 *
31 * @library /vmTestbase
32 * /test/lib
33 * @run driver jdk.test.lib.FileInstaller . .
34 * @run main/othervm gc.memory.LargePagesTest.LargePagesTest noThreads=5 duration=60
35 */
36
37 package gc.memory.LargePagesTest;
38
39 import java.io.PrintStream;
40 import java.util.Random;
41
42 /*
43 * Allocators purpose is to create pressure on the garbage collector
44 * for a certain amount of time.
45 * Note: this test moved from the "jr", the original name is func.vm.largepages.LargePagesTest
46 */
47
48
49 /**
50 * @run main/othervm/timeout=150
51 * -XX:+UseLargePages
52 * -Xmx64m
53 * -Xms16m
54 * LargePagesTest
55 * noThreads=5 duration=60
56 * @summary heap shrink/grow test
57 */
58 final public class LargePagesTest extends Thread {
59
60 private static int cnt;
141 }
142 if (verbose) {
143 out.println("");
144 }
145
146
147 long endTime = System.currentTimeMillis();
148 long runTime = endTime - startTime;
149 if (duration > runTime) {
150 out.println(getName() + " FAILED: Execution time < requested execution time.");
151 out.println(" execution time is " + runTime);
152 out.println(" requested time is " + duration);
153 } else if (iterations <= 0) {
154 out.println(getName() + " FAILED: No executions finished");
155 } else {
156 result = true;
157 }
158 }
159
160 private void allocate() {
161
162 Random r = new Random();
163 for (int j = 0; j < 1000; j++) {
164 r = new Random();
165 int i = 0;
166
167 switch (myType) {
168 case SMALL_OBJECT_ALLOCATER:
169 i = 5;
170 break;
171 case LARGE_OBJECT_ALLOCATER:
172 i = 1;
173 break;
174 case ANY_OBJECT_ALLOCATER:
175 i = r.nextInt(100);
176 break;
177 case ANY_NO_MULTIARRAYS_ALLOCATER:
178 i = r.nextInt(100);
179 if ((i >= 2) && (i <= 4)) {
180 i = 5;
181 }
182 break;
183 default:
184 break;
185 }
186
187 switch (i) {
188 case 0:
189 d0 = new LargePagesTest.Dummy[10];
190 break;
191 case 1:
192 d1 = new LargePagesTest.Dummy[1000];
193 break;
194 case 2:
195 d2 = new LargePagesTest.Dummy[10][10];
196 break;
197 case 3:
198 d3 = new LargePagesTest.Dummy[100][100];
|
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @key stress gc
27 *
28 * @summary converted from VM Testbase gc/memory/LargePagesTest.
29 * VM Testbase keywords: [gc, stress, stressopt]
30 *
31 * @library /vmTestbase
32 * /test/lib
33 * @run driver jdk.test.lib.FileInstaller . .
34 * @run main/othervm gc.memory.LargePagesTest.LargePagesTest noThreads=5 duration=60
35 */
36
37 package gc.memory.LargePagesTest;
38
39 import java.io.PrintStream;
40 import nsk.share.test.LocalRandom;
41
42 /*
43 * Allocators purpose is to create pressure on the garbage collector
44 * for a certain amount of time.
45 * Note: this test moved from the "jr", the original name is func.vm.largepages.LargePagesTest
46 */
47
48
49 /**
50 * @run main/othervm/timeout=150
51 * -XX:+UseLargePages
52 * -Xmx64m
53 * -Xms16m
54 * LargePagesTest
55 * noThreads=5 duration=60
56 * @summary heap shrink/grow test
57 */
58 final public class LargePagesTest extends Thread {
59
60 private static int cnt;
141 }
142 if (verbose) {
143 out.println("");
144 }
145
146
147 long endTime = System.currentTimeMillis();
148 long runTime = endTime - startTime;
149 if (duration > runTime) {
150 out.println(getName() + " FAILED: Execution time < requested execution time.");
151 out.println(" execution time is " + runTime);
152 out.println(" requested time is " + duration);
153 } else if (iterations <= 0) {
154 out.println(getName() + " FAILED: No executions finished");
155 } else {
156 result = true;
157 }
158 }
159
160 private void allocate() {
161 for (int j = 0; j < 1000; j++) {
162 int i = 0;
163
164 switch (myType) {
165 case SMALL_OBJECT_ALLOCATER:
166 i = 5;
167 break;
168 case LARGE_OBJECT_ALLOCATER:
169 i = 1;
170 break;
171 case ANY_OBJECT_ALLOCATER:
172 i = LocalRandom.nextInt(100);
173 break;
174 case ANY_NO_MULTIARRAYS_ALLOCATER:
175 i = LocalRandom.nextInt(100);
176 if ((i >= 2) && (i <= 4)) {
177 i = 5;
178 }
179 break;
180 default:
181 break;
182 }
183
184 switch (i) {
185 case 0:
186 d0 = new LargePagesTest.Dummy[10];
187 break;
188 case 1:
189 d1 = new LargePagesTest.Dummy[1000];
190 break;
191 case 2:
192 d2 = new LargePagesTest.Dummy[10][10];
193 break;
194 case 3:
195 d3 = new LargePagesTest.Dummy[100][100];
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