8255787: Tag container tests that use cGroups with cgroups keyword

Reviewed-by: sspitsyn

Author: Harold Seigel

test/hotspot/jtreg/TEST.ROOT

@@ -31,7 +31,8 @@
 # headful:              test can be run only on headful host
 # intermittent:         flaky test, known to fail intermittently
 # randomness:           test uses randomness, test cases differ from run to run
-keys=stress headful intermittent randomness
+# cgroups:              test uses cgroups
+keys=stress headful intermittent randomness cgroups
 
 groups=TEST.groups TEST.quick-groups
 

test/hotspot/jtreg/containers/cgroup/CgroupSubsystemFactory.java

@@ -23,6 +23,7 @@
 
 /*
  * @test CgroupSubsystemFactory
+ * @key cgroups
  * @requires os.family == "linux"
  * @library /testlibrary /test/lib
  * @build sun.hotspot.WhiteBox

test/hotspot/jtreg/containers/cgroup/PlainRead.java

@@ -23,6 +23,7 @@
 
 /*
  * @test PlainRead
+ * @key cgroups
  * @requires os.family == "linux"
  * @library /testlibrary /test/lib
  * @build sun.hotspot.WhiteBox

test/hotspot/jtreg/containers/docker/TestCPUAwareness.java

@@ -24,6 +24,7 @@
 
 /*
  * @test
+ * @key cgroups
  * @summary Test JVM's CPU resource awareness when running inside docker container
  * @requires docker.support
  * @library /test/lib

test/hotspot/jtreg/containers/docker/TestCPUSets.java

@@ -24,6 +24,7 @@
 
 /*
  * @test
+ * @key cgroups
  * @summary Test JVM's awareness of cpu sets (cpus and mems)
  * @requires docker.support
  * @requires (os.arch != "s390x")

test/hotspot/jtreg/containers/docker/TestJFREvents.java

@@ -24,6 +24,7 @@
 
 /*
  * @test
+ * @key cgroups
  * @summary Ensure that certain JFR events return correct results for resource values
  *          when run inside Docker container, such as available CPU and memory.
  *          Also make sure that PIDs are based on value provided by container,

test/hotspot/jtreg/containers/docker/TestMemoryAwareness.java

@@ -24,6 +24,7 @@
 
 /*
  * @test
+ * @key cgroups
  * @summary Test JVM's memory resource awareness when running inside docker container
  * @requires docker.support
  * @library /test/lib

test/jdk/TEST.ROOT

@@ -13,8 +13,9 @@
 # run. Tests that are not headful are "headless".
 # A test flagged with key "printer" requires a printer to succeed, else
 # throws a PrinterException or the like.
+# A test flagged with cgroups uses cgroups.
 
-keys=2d dnd headful i18n intermittent printer randomness jfr
+keys=2d dnd headful i18n intermittent printer randomness jfr cgroups
 
 # Tests that must run in othervm mode
 othervm.dirs=java/awt java/beans javax/accessibility javax/imageio javax/sound javax/swing javax/print \

test/jdk/jdk/internal/platform/cgroup/TestCgroupMetrics.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2020, 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
@@ -23,6 +23,7 @@
 
 /*
  * @test
+ * @key cgroups
  * @requires os.family == "linux"
  * @modules java.base/jdk.internal.platform
  * @library /test/lib

test/jdk/jdk/internal/platform/cgroup/TestCgroupSubsystemController.java

@@ -43,6 +43,7 @@
 
 /*
  * @test
+ * @key cgroups
  * @requires os.family == "linux"
  * @modules java.base/jdk.internal.platform
  * @library /test/lib