8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /*
25 * @test RetainObjects
26 * @summary Acceptance tests: collector can deal with retained objects
27 *
28 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:+ShenandoahVerify RetainObjects
29 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=passive -XX:+ShenandoahVerify RetainObjects
30 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive -XX:+ShenandoahVerify RetainObjects
31 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static -XX:+ShenandoahVerify RetainObjects
32 *
33 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:-UseTLAB RetainObjects
34 *
35 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g RetainObjects
36 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=passive RetainObjects
37 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive RetainObjects
38 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static RetainObjects
39 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=compact RetainObjects
40 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=aggressive RetainObjects
41 *
42 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot RetainObjects
43 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot RetainObjects
44 */
45
46 public class RetainObjects {
47
48 static final int COUNT = 10_000_000;
49 static final int WINDOW = 10_000;
50
51 static final String[] reachable = new String[WINDOW];
52
53 public static void main(String[] args) throws Exception {
54 int rIdx = 0;
55 for (int c = 0; c < COUNT; c++) {
56 reachable[rIdx] = ("LargeString" + c);
57 rIdx++;
58 if (rIdx >= WINDOW) {
59 rIdx = 0;
60 }
61 }
62 }
63
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8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /*
25 * @test RetainObjects
26 * @summary Acceptance tests: collector can deal with retained objects
27 *
28 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=passive -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify RetainObjects
29 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=passive -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify RetainObjects
30 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=passive -XX:+ShenandoahDegeneratedGC RetainObjects
31 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=passive -XX:-ShenandoahDegeneratedGC RetainObjects
32 *
33 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahOOMDuringEvacALot RetainObjects
34 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahGCHeuristics=aggressive -XX:+ShenandoahAllocFailureALot RetainObjects
35 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=aggressive RetainObjects
36 *
37 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive -XX:+ShenandoahVerify RetainObjects
38 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static -XX:+ShenandoahVerify RetainObjects
39 *
40 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=adaptive RetainObjects
41 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=static RetainObjects
42 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:ShenandoahGCHeuristics=compact RetainObjects
43 *
44 * @run main/othervm -XX:+UseShenandoahGC -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g -XX:-UseTLAB RetainObjects
45 */
46
47 public class RetainObjects {
48
49 static final int COUNT = 10_000_000;
50 static final int WINDOW = 10_000;
51
52 static final String[] reachable = new String[WINDOW];
53
54 public static void main(String[] args) throws Exception {
55 int rIdx = 0;
56 for (int c = 0; c < COUNT; c++) {
57 reachable[rIdx] = ("LargeString" + c);
58 rIdx++;
59 if (rIdx >= WINDOW) {
60 rIdx = 0;
61 }
62 }
63 }
64
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