8210192: Hsperf counter ParNew::CMS should be ParNew:CMS
Summary: Rename the counter back to ParNew:CMS and added a test
Reviewed-by: sjohanss, tschatzl
Contributed-by: manc@google.com
--- a/src/hotspot/share/gc/cms/cmsHeap.cpp Fri Aug 31 22:55:34 2018 -0700
+++ b/src/hotspot/share/gc/cms/cmsHeap.cpp Tue Sep 04 14:17:45 2018 -0700
@@ -69,7 +69,7 @@
GenCollectedHeap(policy,
Generation::ParNew,
Generation::ConcurrentMarkSweep,
- "ParNew::CMS"),
+ "ParNew:CMS"),
_eden_pool(NULL),
_survivor_pool(NULL),
_old_pool(NULL) {
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/gc/TestPolicyNamePerfCounter.java Tue Sep 04 14:17:45 2018 -0700
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
+import static jdk.test.lib.Asserts.*;
+import gc.testlibrary.PerfCounter;
+import gc.testlibrary.PerfCounters;
+
+
+/* @test TestPolicyNamePerfCounter
+ * @bug 8210192
+ * @requires vm.gc=="null"
+ * @library /test/lib /
+ * @summary Tests that sun.gc.policy.name returns expected values for different GCs.
+ * @modules java.base/jdk.internal.misc
+ * java.compiler
+ * java.management/sun.management
+ * jdk.internal.jvmstat/sun.jvmstat.monitor
+ * @run main/othervm -XX:+UsePerfData -XX:+UseSerialGC TestPolicyNamePerfCounter Copy:MSC
+ * @run main/othervm -XX:+UsePerfData -XX:+UseParallelGC TestPolicyNamePerfCounter ParScav:MSC
+ * @run main/othervm -XX:+UsePerfData -XX:+UseG1GC TestPolicyNamePerfCounter GarbageFirst
+ */
+
+/* @test TestPolicyNamePerfCounterCMS
+ * @bug 8210192
+ * @comment Graal does not support CMS
+ * @requires vm.gc=="null" & !vm.graal.enabled
+ * @library /test/lib /
+ * @summary Tests that sun.gc.policy.name returns expected values for different GCs.
+ * @modules java.base/jdk.internal.misc
+ * java.compiler
+ * java.management/sun.management
+ * jdk.internal.jvmstat/sun.jvmstat.monitor
+ * @run main/othervm -XX:+UsePerfData -XX:+UseConcMarkSweepGC TestPolicyNamePerfCounter ParNew:CMS
+ */
+
+public class TestPolicyNamePerfCounter {
+ public static void main(String[] args) throws Exception {
+ if (args.length != 1) {
+ throw new IllegalArgumentException("Expected 1 arg: <expectedName>");
+ }
+ assertEQ(PerfCounters.findByName("sun.gc.policy.name").value(), args[0]);
+ }
+}
--- a/test/hotspot/jtreg/gc/testlibrary/PerfCounter.java Fri Aug 31 22:55:34 2018 -0700
+++ b/test/hotspot/jtreg/gc/testlibrary/PerfCounter.java Tue Sep 04 14:17:45 2018 -0700
@@ -41,6 +41,15 @@
}
/**
+ * Returns the value of this performance counter as an Object.
+ *
+ * @return The value of this performance counter
+ */
+ public Object value() {
+ return monitor.getValue();
+ }
+
+ /**
* Returns the value of this performance counter as a long.
*
* @return The long value of this performance counter