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 import sun.jvmstat.monitor.Monitor;
25 import sun.jvmstat.monitor.MonitorException;
26 import sun.jvmstat.monitor.MonitoredHost;
27 import sun.jvmstat.monitor.MonitoredVm;
28 import sun.jvmstat.monitor.VmIdentifier;
29 import jdk.test.lib.ProcessTools;
30
31 /**
32 * PerfCounters can be used to get a performance counter from the currently
33 * executing VM.
34 *
35 * Throws a runtime exception if an error occurs while communicating with the
36 * currently executing VM.
37 */
38 public class PerfCounters {
39 private final static MonitoredVm vm;
40
41 static {
42 try {
43 String pid = Long.toString(ProcessTools.getProcessId());
44 VmIdentifier vmId = new VmIdentifier(pid);
45 MonitoredHost host = MonitoredHost.getMonitoredHost(vmId);
46 vm = host.getMonitoredVm(vmId);
47 } catch (Exception e) {
48 throw new RuntimeException("Could not connect to the VM");
49 }
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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 import sun.jvmstat.monitor.Monitor;
25 import sun.jvmstat.monitor.MonitorException;
26 import sun.jvmstat.monitor.MonitoredHost;
27 import sun.jvmstat.monitor.MonitoredVm;
28 import sun.jvmstat.monitor.VmIdentifier;
29 import jdk.test.lib.process.ProcessTools;
30
31 /**
32 * PerfCounters can be used to get a performance counter from the currently
33 * executing VM.
34 *
35 * Throws a runtime exception if an error occurs while communicating with the
36 * currently executing VM.
37 */
38 public class PerfCounters {
39 private final static MonitoredVm vm;
40
41 static {
42 try {
43 String pid = Long.toString(ProcessTools.getProcessId());
44 VmIdentifier vmId = new VmIdentifier(pid);
45 MonitoredHost host = MonitoredHost.getMonitoredHost(vmId);
46 vm = host.getMonitoredVm(vmId);
47 } catch (Exception e) {
48 throw new RuntimeException("Could not connect to the VM");
49 }
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