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 /*
26 * @test UnexpectedDeoptimizationTest
27 * @library /testlibrary /test/lib
28 * @modules java.base/jdk.internal.misc
29 * java.management
30 * @build UnexpectedDeoptimizationTest
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:CompileCommand=dontinline,Helper$TestCase::method
35 * -XX:+WhiteBoxAPI -XX:-SegmentedCodeCache -XX:-DeoptimizeRandom
36 * UnexpectedDeoptimizationTest
37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
38 * -XX:CompileCommand=dontinline,Helper$TestCase::method
39 * -XX:+WhiteBoxAPI -XX:+SegmentedCodeCache -XX:-DeoptimizeRandom
40 * UnexpectedDeoptimizationTest
41 * @summary stressing code cache by forcing unexpected deoptimizations
42 */
43 public class UnexpectedDeoptimizationTest implements Runnable {
44
45 public static void main(String[] args) {
46 new CodeCacheStressRunner(new UnexpectedDeoptimizationTest()).runTest();
47 }
48
49 @Override
50 public void run() {
51 Helper.WHITE_BOX.deoptimizeFrames(Helper.RNG.nextBoolean());
52 }
53
54 }
|
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /*
26 * @test UnexpectedDeoptimizationTest
27 * @summary stressing code cache by forcing unexpected deoptimizations
28 * @library /testlibrary /test/lib /
29 * @modules java.base/jdk.internal.misc
30 * java.management
31 *
32 * @build compiler.codecache.stress.UnexpectedDeoptimizationTest
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
34 * sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 * -XX:+WhiteBoxAPI -XX:-DeoptimizeRandom
37 * -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method
38 * -XX:-SegmentedCodeCache
39 * compiler.codecache.stress.UnexpectedDeoptimizationTest
40 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
41 * -XX:+WhiteBoxAPI -XX:-DeoptimizeRandom
42 * -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method
43 * -XX:+SegmentedCodeCache
44 * compiler.codecache.stress.UnexpectedDeoptimizationTest
45 */
46
47 package compiler.codecache.stress;
48
49 public class UnexpectedDeoptimizationTest implements Runnable {
50
51 public static void main(String[] args) {
52 new CodeCacheStressRunner(new UnexpectedDeoptimizationTest()).runTest();
53 }
54
55 @Override
56 public void run() {
57 Helper.WHITE_BOX.deoptimizeFrames(Helper.RNG.nextBoolean());
58 }
59
60 }
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