forked from openjdk/jdk17u-dev
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Backport 92167505b217c0e6074f58f8479be97bc4c776b3
- Loading branch information
duke
committed
Jun 22, 2023
1 parent
031a5ed
commit 44e045f
Showing
5 changed files
with
146 additions
and
43 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright (c) 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. | ||
| */ | ||
|
|
||
| package gc; | ||
|
|
||
| /** | ||
| * @test id=Serial | ||
| * @requires vm.gc.Serial | ||
| * @summary Verify the expected space counters exist. | ||
| * @modules java.base/jdk.internal.misc | ||
| * @modules java.management/sun.management | ||
| * @modules jdk.internal.jvmstat/sun.jvmstat.monitor | ||
| * @library /test/lib / | ||
| * @run main/othervm -XX:+UseSerialGC -XX:+UsePerfData gc.TestSpaceCounters | ||
| */ | ||
|
|
||
| /** | ||
| * @test id=Parallel | ||
| * @requires vm.gc.Parallel | ||
| * @summary Verify the expected space counters exist. | ||
| * @modules java.base/jdk.internal.misc | ||
| * @modules java.management/sun.management | ||
| * @modules jdk.internal.jvmstat/sun.jvmstat.monitor | ||
| * @library /test/lib / | ||
| * @run main/othervm -XX:+UseParallelGC -XX:+UsePerfData gc.TestSpaceCounters | ||
| */ | ||
|
|
||
| import gc.testlibrary.Helpers; | ||
| import gc.testlibrary.PerfCounter; | ||
| import gc.testlibrary.PerfCounters; | ||
| import sun.jvmstat.monitor.MonitorException; | ||
|
|
||
| public class TestSpaceCounters { | ||
| private static final String GENERATION_NAMESPACE = "sun.gc.generation."; | ||
|
|
||
| // Each space has these counters. | ||
| private static final String[] COUNTER_NAMES = { | ||
| "maxCapacity", "capacity", "used", "initCapacity" }; | ||
|
|
||
| private static String counterName(String name, int generation, int space) { | ||
| return GENERATION_NAMESPACE + generation + ".space." + space + "." + name; | ||
| } | ||
|
|
||
| private static PerfCounter counter(String name, int generation, int space) { | ||
| String cname = counterName(name, generation, space); | ||
| try { | ||
| return PerfCounters.findByName(cname); | ||
| } catch (MonitorException e) { | ||
| throw new RuntimeException(e.toString()); | ||
| } | ||
| } | ||
|
|
||
| private static long value(String name, int generation, int space) { | ||
| PerfCounter pc = counter(name, generation, space); | ||
| return pc.longValue(); | ||
| } | ||
|
|
||
| private static void checkCounters(int generation, int space) { | ||
| for (int i = 0; i < COUNTER_NAMES.length; ++i) { | ||
| value(COUNTER_NAMES[i], generation, space); | ||
| } | ||
| } | ||
|
|
||
| private static final int YOUNG_GENERATION = 0; | ||
| private static final int OLD_GENERATION = 1; | ||
|
|
||
| public static void main(String[] args) { | ||
| // Young Generation has 3 spaces - eden, and two survivor spaces. | ||
| checkCounters(YOUNG_GENERATION, 0); | ||
| checkCounters(YOUNG_GENERATION, 1); | ||
| checkCounters(YOUNG_GENERATION, 2); | ||
| // Old Generation has 1 space. | ||
| checkCounters(OLD_GENERATION, 0); | ||
| } | ||
| } |