21 * questions.
22 */
23
24 /*
25 * @test IntxTest
26 * @bug 8038756
27 * @library /test/lib
28 * @modules java.base/jdk.internal.misc
29 * @modules java.management/sun.management
30 * @build sun.hotspot.WhiteBox
31 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xint -XX:-ProfileInterpreter IntxTest
34 * @summary testing of WB::set/getIntxVMFlag()
35 * @author igor.ignatyev@oracle.com
36 */
37
38 public class IntxTest {
39 private static final String FLAG_NAME = "OnStackReplacePercentage";
40 private static final String FLAG_DEBUG_NAME = "InlineFrequencyCount";
41 private static final Long[] TESTS = {0L, 100L, (long) Integer.MAX_VALUE};
42
43 public static void main(String[] args) throws Exception {
44 VmFlagTest.runTest(FLAG_NAME, TESTS,
45 VmFlagTest.WHITE_BOX::setIntxVMFlag,
46 VmFlagTest.WHITE_BOX::getIntxVMFlag);
47 VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getIntxVMFlag);
48 }
49 }
50
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21 * questions.
22 */
23
24 /*
25 * @test IntxTest
26 * @bug 8038756
27 * @library /test/lib
28 * @modules java.base/jdk.internal.misc
29 * @modules java.management/sun.management
30 * @build sun.hotspot.WhiteBox
31 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
32 * sun.hotspot.WhiteBox$WhiteBoxPermission
33 * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xint -XX:-ProfileInterpreter IntxTest
34 * @summary testing of WB::set/getIntxVMFlag()
35 * @author igor.ignatyev@oracle.com
36 */
37
38 public class IntxTest {
39 private static final String FLAG_NAME = "OnStackReplacePercentage";
40 private static final String FLAG_DEBUG_NAME = "InlineFrequencyCount";
41 private static final long COMPILE_THRESHOLD = VmFlagTest.WHITE_BOX.getIntxVMFlag("CompileThreshold");
42 private static final Long[] TESTS = {0L, 100L, (long)(Integer.MAX_VALUE>>3)*100L};
43
44 public static void main(String[] args) throws Exception {
45 find_and_set_max_osrp();
46 VmFlagTest.runTest(FLAG_NAME, TESTS,
47 VmFlagTest.WHITE_BOX::setIntxVMFlag,
48 VmFlagTest.WHITE_BOX::getIntxVMFlag);
49 VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getIntxVMFlag);
50 }
51
52 static void find_and_set_max_osrp() {
53 long max_percentage_limit = (long)(Integer.MAX_VALUE>>3)*100L;
54 max_percentage_limit = COMPILE_THRESHOLD == 0 ? max_percentage_limit : max_percentage_limit/COMPILE_THRESHOLD;
55 TESTS[2] = max_percentage_limit;
56 }
57 }
58
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