1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8059624 8064669 8153265
* @summary testing of WB::forceNMethodSweep
* @library /test/lib /
* @modules java.base/jdk.internal.misc
* java.management
*
* @requires vm.opt.DeoptimizeALot != true
*
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
* -XX:-TieredCompilation -XX:+WhiteBoxAPI
* -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
* -XX:-BackgroundCompilation
* -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+EagerJVMCI
* compiler.whitebox.ForceNMethodSweepTest
*/
package compiler.whitebox;
import jdk.test.lib.Asserts;
import jdk.test.whitebox.code.BlobType;
import java.util.EnumSet;
public class ForceNMethodSweepTest extends CompilerWhiteBoxTest {
public static void main(String[] args) throws Exception {
CompilerWhiteBoxTest.main(ForceNMethodSweepTest::new, args);
}
private final EnumSet<BlobType> blobTypes;
private ForceNMethodSweepTest(TestCase testCase) {
super(testCase);
// to prevent inlining of #method
WHITE_BOX.testSetDontInlineMethod(method, true);
blobTypes = BlobType.getAvailable();
}
@Override
protected void test() throws Exception {
// prime the asserts: get their bytecodes loaded, any lazy computation
// resolved, and executed once
Asserts.assertGT(1, 0, "message");
Asserts.assertLTE(0, 0, "message");
Asserts.assertLT(-1, 0, "message");
checkNotCompiled();
WHITE_BOX.fullGC();
int usage = getTotalUsage();
compile();
checkCompiled();
int afterCompilation = getTotalUsage();
Asserts.assertGT(afterCompilation, usage,
"compilation should increase usage");
WHITE_BOX.fullGC();
int afterSweep = getTotalUsage();
Asserts.assertLTE(afterSweep, afterCompilation,
"sweep shouldn't increase usage");
deoptimize();
WHITE_BOX.fullGC();
int afterDeoptAndSweep = getTotalUsage();
Asserts.assertLT(afterDeoptAndSweep, afterSweep,
"sweep after deoptimization should decrease usage");
}
private int getTotalUsage() {
int usage = 0;
for (BlobType type : blobTypes) {
usage += type.getMemoryPool().getUsage().getUsed();
}
return usage;
}
}
|
