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 CheckSegmentedCodeCache
  26  * @bug 8015774
  27  * @summary Checks VM options related to the segmented code cache
  28  * @library /testlibrary /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  *
  32  * @build compiler.codecache.CheckSegmentedCodeCache
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  36  *                   -XX:+WhiteBoxAPI
  37  *                   compiler.codecache.CheckSegmentedCodeCache
  38  */
  39 
  40 package compiler.codecache;
  41 
  42 import jdk.test.lib.OutputAnalyzer;
  43 import jdk.test.lib.Platform;
  44 import jdk.test.lib.ProcessTools;
  45 import sun.hotspot.WhiteBox;
  46 
  47 public class CheckSegmentedCodeCache {
  48     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  49     // Code heap names
  50     private static final String NON_METHOD = "CodeHeap 'non-nmethods'";
  51     private static final String PROFILED = "CodeHeap 'profiled nmethods'";
  52     private static final String NON_PROFILED = "CodeHeap 'non-profiled nmethods'";
  53 
  54     private static void verifySegmentedCodeCache(ProcessBuilder pb, boolean enabled) throws Exception {
  55         OutputAnalyzer out = new OutputAnalyzer(pb.start());
  56         out.shouldHaveExitValue(0);
  57         if (enabled) {
  58             try {
  59                 // Non-nmethod code heap should be always available with the segmented code cache
  60                 out.shouldContain(NON_METHOD);
  61             } catch (RuntimeException e) {
  62                 // Check if TieredCompilation is disabled (in a client VM)
  63                 if(!out.getOutput().contains("-XX:+TieredCompilation not supported in this VM")) {
  64                     // Code cache is not segmented

   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 CheckSegmentedCodeCache
  26  * @bug 8015774
  27  * @summary Checks VM options related to the segmented code cache
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  *
  32  * @build sun.hotspot.WhiteBox
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  36  *                   -XX:+WhiteBoxAPI
  37  *                   compiler.codecache.CheckSegmentedCodeCache
  38  */
  39 
  40 package compiler.codecache;
  41 
  42 import jdk.test.lib.process.OutputAnalyzer;
  43 import jdk.test.lib.Platform;
  44 import jdk.test.lib.process.ProcessTools;
  45 import sun.hotspot.WhiteBox;
  46 
  47 public class CheckSegmentedCodeCache {
  48     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
  49     // Code heap names
  50     private static final String NON_METHOD = "CodeHeap 'non-nmethods'";
  51     private static final String PROFILED = "CodeHeap 'profiled nmethods'";
  52     private static final String NON_PROFILED = "CodeHeap 'non-profiled nmethods'";
  53 
  54     private static void verifySegmentedCodeCache(ProcessBuilder pb, boolean enabled) throws Exception {
  55         OutputAnalyzer out = new OutputAnalyzer(pb.start());
  56         out.shouldHaveExitValue(0);
  57         if (enabled) {
  58             try {
  59                 // Non-nmethod code heap should be always available with the segmented code cache
  60                 out.shouldContain(NON_METHOD);
  61             } catch (RuntimeException e) {
  62                 // Check if TieredCompilation is disabled (in a client VM)
  63                 if(!out.getOutput().contains("-XX:+TieredCompilation not supported in this VM")) {
  64                     // Code cache is not segmented