1 /*
2 * Copyright (c) 2014, 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 */
23
24 /*
25 * @test CodeCacheTest
26 * @bug 8054889
27 * @build DcmdUtil CodeCacheTest
28 * @run main CodeCacheTest
29 * @summary testing of Dcmd Compiler.codecache
30 * @author nils.eliasson@oracle.com
31 */
32
33 import java.io.BufferedReader;
34 import java.io.StringReader;
35 import java.lang.reflect.Method;
36 import java.util.regex.Matcher;
37 import java.util.regex.Pattern;
38
39 public class CodeCacheTest {
40
41 /**
42 * This test calls Jcmd Compiler.codecache and then parses the output,
43 * making sure that all number look ok
44 *
45 *
46 * Expected output:
47 *
48 * CodeCache: size=245760Kb used=4680Kb max_used=4680Kb free=241079Kb
49 * bounds [0x00007f5bd9000000, 0x00007f5bd94a0000, 0x00007f5be8000000]
50 * total_blobs=575 nmethods=69 adapters=423
51 * compilation: enabled
52 */
53
54 static Pattern line1 = Pattern.compile("CodeCache: size=(\\p{Digit}*)Kb used=(\\p{Digit}*)Kb max_used=(\\p{Digit}*)Kb free=(\\p{Digit}*)Kb");
55 static Pattern line2 = Pattern.compile(" bounds \\[0x(\\p{XDigit}*), 0x(\\p{XDigit}*), 0x(\\p{XDigit}*)\\]");
56 static Pattern line3 = Pattern.compile(" total_blobs=(\\p{Digit}*) nmethods=(\\p{Digit}*) adapters=(\\p{Digit}*)");
57 static Pattern line4 = Pattern.compile(" compilation: (\\w*)");
58
59 public static void main(String arg[]) throws Exception {
60
61 // Find in output from dcmd
62 String result = DcmdUtil.executeDcmd("Compiler.codecache");
63 BufferedReader r = new BufferedReader(new StringReader(result));
64
65 // Validate first line
66 String line;
67 line = r.readLine();
68 Matcher m = line1.matcher(line);
69 if (m.matches()) {
70 for(int i = 1; i <= 4; i++) {
71 int val = Integer.parseInt(m.group(i));
72 if (val < 0) {
73 throw new Exception("Failed parsing dcmd codecache output");
74 }
75 }
76 } else {
77 throw new Exception("Regexp 1 failed");
78 }
79
80 // Validate second line
81 line = r.readLine();
82 m = line2.matcher(line);
83 if (m.matches()) {
84 long start = Long.parseLong(m.group(1), 16);
85 if (start < 0) {
86 throw new Exception("Failed parsing dcmd codecache output");
87 }
88 long mark = Long.parseLong(m.group(2), 16);
89 if (mark < 0) {
90 throw new Exception("Failed parsing dcmd codecache output");
91 }
92 long top = Long.parseLong(m.group(3), 16);
93 if (top < 0) {
94 throw new Exception("Failed parsing dcmd codecache output");
95 }
96 if (start > mark) {
97 throw new Exception("Failed parsing dcmd codecache output");
98 }
99 if (mark > top) {
100 throw new Exception("Failed parsing dcmd codecache output");
101 }
102 } else {
103 throw new Exception("Regexp 2 failed line: " + line);
104 }
105
106 // Validate third line
107 line = r.readLine();
108 m = line3.matcher(line);
109 if (m.matches()) {
110 int blobs = Integer.parseInt(m.group(1));
111 if (blobs <= 0) {
112 throw new Exception("Failed parsing dcmd codecache output");
113 }
114 int nmethods = Integer.parseInt(m.group(2));
115 if (nmethods <= 0) {
116 throw new Exception("Failed parsing dcmd codecache output");
117 }
118 int adapters = Integer.parseInt(m.group(3));
119 if (adapters <= 0) {
120 throw new Exception("Failed parsing dcmd codecache output");
121 }
122 if (blobs < (nmethods + adapters)) {
123 throw new Exception("Failed parsing dcmd codecache output");
124 }
125 } else {
126 throw new Exception("Regexp 3 failed");
127 }
128
129 // Validate fourth line
130 line = r.readLine();
131 m = line4.matcher(line);
132 if (m.matches()) {
133 if (!m.group(1).equals("enabled")) {
134 throw new Exception("Invalid message: '" + m.group(1) + "'");
135 }
136 } else {
137 throw new Exception("Regexp 4 failed");
138 }
139 }
140 }