1 /*
2 * Copyright (c) 2014, 2015, 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 */
35 * @run main ClassFileInstaller sun.hotspot.WhiteBox
36 * sun.hotspot.WhiteBox$WhiteBoxPermission
37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI CheckSegmentedCodeCache
38 */
39 public class CheckSegmentedCodeCache {
40 private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
41 // Code heap names
42 private static final String NON_METHOD = "CodeHeap 'non-nmethods'";
43 private static final String PROFILED = "CodeHeap 'profiled nmethods'";
44 private static final String NON_PROFILED = "CodeHeap 'non-profiled nmethods'";
45
46 private static void verifySegmentedCodeCache(ProcessBuilder pb, boolean enabled) throws Exception {
47 OutputAnalyzer out = new OutputAnalyzer(pb.start());
48 out.shouldHaveExitValue(0);
49 if (enabled) {
50 try {
51 // Non-nmethod code heap should be always available with the segmented code cache
52 out.shouldContain(NON_METHOD);
53 } catch (RuntimeException e) {
54 // Check if TieredCompilation is disabled (in a client VM)
55 if(!out.getOutput().contains("TieredCompilation is disabled in this release.")) {
56 // Code cache is not segmented
57 throw new RuntimeException("No code cache segmentation.");
58 }
59 }
60 } else {
61 out.shouldNotContain(NON_METHOD);
62 }
63 }
64
65 private static void verifyCodeHeapNotExists(ProcessBuilder pb, String... heapNames) throws Exception {
66 OutputAnalyzer out = new OutputAnalyzer(pb.start());
67 out.shouldHaveExitValue(0);
68 for (String name : heapNames) {
69 out.shouldNotContain(name);
70 }
71 }
72
73 private static void failsWith(ProcessBuilder pb, String message) throws Exception {
74 OutputAnalyzer out = new OutputAnalyzer(pb.start());
75 out.shouldContain(message);
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1 /*
2 * Copyright (c) 2014, 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 */
35 * @run main ClassFileInstaller sun.hotspot.WhiteBox
36 * sun.hotspot.WhiteBox$WhiteBoxPermission
37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI CheckSegmentedCodeCache
38 */
39 public class CheckSegmentedCodeCache {
40 private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
41 // Code heap names
42 private static final String NON_METHOD = "CodeHeap 'non-nmethods'";
43 private static final String PROFILED = "CodeHeap 'profiled nmethods'";
44 private static final String NON_PROFILED = "CodeHeap 'non-profiled nmethods'";
45
46 private static void verifySegmentedCodeCache(ProcessBuilder pb, boolean enabled) throws Exception {
47 OutputAnalyzer out = new OutputAnalyzer(pb.start());
48 out.shouldHaveExitValue(0);
49 if (enabled) {
50 try {
51 // Non-nmethod code heap should be always available with the segmented code cache
52 out.shouldContain(NON_METHOD);
53 } catch (RuntimeException e) {
54 // Check if TieredCompilation is disabled (in a client VM)
55 if(!out.getOutput().contains("-XX:+TieredCompilation not supported in this VM")) {
56 // Code cache is not segmented
57 throw new RuntimeException("No code cache segmentation.");
58 }
59 }
60 } else {
61 out.shouldNotContain(NON_METHOD);
62 }
63 }
64
65 private static void verifyCodeHeapNotExists(ProcessBuilder pb, String... heapNames) throws Exception {
66 OutputAnalyzer out = new OutputAnalyzer(pb.start());
67 out.shouldHaveExitValue(0);
68 for (String name : heapNames) {
69 out.shouldNotContain(name);
70 }
71 }
72
73 private static void failsWith(ProcessBuilder pb, String message) throws Exception {
74 OutputAnalyzer out = new OutputAnalyzer(pb.start());
75 out.shouldContain(message);
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