9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.tools.jconsole;
27
28 import javax.management.ObjectName;
29 import java.lang.management.ManagementFactory;
30 import java.lang.management.MemoryPoolMXBean;
31 import java.lang.management.MemoryUsage;
32 import com.sun.management.GarbageCollectorMXBean;
33 import com.sun.management.GcInfo;
34 import java.util.HashMap;
35 import java.util.Set;
36 import java.util.Map;
37 import java.util.Map.Entry;
38
39 import static java.lang.management.ManagementFactory.*;
40
41 public class MemoryPoolProxy {
42 private String poolName;
43 private ProxyClient client;
44 private ObjectName objName;
45 private MemoryPoolMXBean pool;
46 private Map<ObjectName,Long> gcMBeans;
47 private GcInfo lastGcInfo;
48
49 public MemoryPoolProxy(ProxyClient client, ObjectName poolName) throws java.io.IOException {
50 this.client = client;
51 this.objName = objName;
52 this.pool = client.getMXBean(poolName, MemoryPoolMXBean.class);
53 this.poolName = this.pool.getName();
54 this.gcMBeans = new HashMap<ObjectName,Long>();
55 this.lastGcInfo = null;
56
57 String[] mgrNames = pool.getMemoryManagerNames();
58 for (String name : mgrNames) {
59 try {
60 ObjectName mbeanName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE +
61 ",name=" + name);
62 if (client.isRegistered(mbeanName)) {
63 gcMBeans.put(mbeanName, new Long(0));
64 }
65 } catch (Exception e) {
66 assert false;
67 }
68
69 }
70 }
71
72 public boolean isCollectedMemoryPool() {
73 return (gcMBeans.size() != 0);
74 }
75
76 public ObjectName getObjectName() {
77 return objName;
78 }
79
80 public MemoryPoolStat getStat() throws java.io.IOException {
81 long usageThreshold = (pool.isUsageThresholdSupported()
82 ? pool.getUsageThreshold()
83 : -1);
84 long collectThreshold = (pool.isCollectionUsageThresholdSupported()
85 ? pool.getCollectionUsageThreshold()
86 : -1);
87 long lastGcStartTime = 0;
88 long lastGcEndTime = 0;
89 MemoryUsage beforeGcUsage = null;
90 MemoryUsage afterGcUsage = null;
91 long gcId = 0;
92 if (lastGcInfo != null) {
93 gcId = lastGcInfo.getId();
94 lastGcStartTime = lastGcInfo.getStartTime();
95 lastGcEndTime = lastGcInfo.getEndTime();
96 beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
97 afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
98 }
99
|
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.tools.jconsole;
27
28 import javax.management.ObjectName;
29 import java.lang.management.MemoryPoolMXBean;
30 import java.lang.management.MemoryUsage;
31 import com.sun.management.GarbageCollectorMXBean;
32 import com.sun.management.GcInfo;
33 import java.util.HashMap;
34 import java.util.Set;
35 import java.util.Map;
36
37 import static java.lang.management.ManagementFactory.*;
38
39 public class MemoryPoolProxy {
40 private String poolName;
41 private ProxyClient client;
42 private MemoryPoolMXBean pool;
43 private Map<ObjectName,Long> gcMBeans;
44 private GcInfo lastGcInfo;
45
46 public MemoryPoolProxy(ProxyClient client, ObjectName poolName) throws java.io.IOException {
47 this.client = client;
48 this.pool = client.getMXBean(poolName, MemoryPoolMXBean.class);
49 this.poolName = this.pool.getName();
50 this.gcMBeans = new HashMap<ObjectName,Long>();
51 this.lastGcInfo = null;
52
53 String[] mgrNames = pool.getMemoryManagerNames();
54 for (String name : mgrNames) {
55 try {
56 ObjectName mbeanName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE +
57 ",name=" + name);
58 if (client.isRegistered(mbeanName)) {
59 gcMBeans.put(mbeanName, new Long(0));
60 }
61 } catch (Exception e) {
62 assert false;
63 }
64
65 }
66 }
67
68 public boolean isCollectedMemoryPool() {
69 return (gcMBeans.size() != 0);
70 }
71
72 public MemoryPoolStat getStat() throws java.io.IOException {
73 long usageThreshold = (pool.isUsageThresholdSupported()
74 ? pool.getUsageThreshold()
75 : -1);
76 long collectThreshold = (pool.isCollectionUsageThresholdSupported()
77 ? pool.getCollectionUsageThreshold()
78 : -1);
79 long lastGcStartTime = 0;
80 long lastGcEndTime = 0;
81 MemoryUsage beforeGcUsage = null;
82 MemoryUsage afterGcUsage = null;
83 long gcId = 0;
84 if (lastGcInfo != null) {
85 gcId = lastGcInfo.getId();
86 lastGcStartTime = lastGcInfo.getStartTime();
87 lastGcEndTime = lastGcInfo.getEndTime();
88 beforeGcUsage = lastGcInfo.getMemoryUsageBeforeGc().get(poolName);
89 afterGcUsage = lastGcInfo.getMemoryUsageAfterGc().get(poolName);
90 }
91
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