jvm命令中LIVE-COUNT命名有问题，应该是PEAK-COUNT，并增加DEADLOCK-COUNT

core/src/main/java/com/taobao/arthas/core/command/monitor200/JvmCommand.java

@@ -206,9 +206,17 @@ public class JvmCommand extends AnnotatedCommand {
     private Element drawThreadTable(TableElement table) {
         table.row("COUNT", "" + threadMXBean.getThreadCount())
                 .row("DAEMON-COUNT", "" + threadMXBean.getDaemonThreadCount())
-                .row("LIVE-COUNT", "" + threadMXBean.getPeakThreadCount())
-                .row("STARTED-COUNT", "" + threadMXBean.getTotalStartedThreadCount());
+                .row("PEAK-COUNT", "" + threadMXBean.getPeakThreadCount())
+                .row("STARTED-COUNT", "" + threadMXBean.getTotalStartedThreadCount())
+                .row("DEADLOCK-COUNT","" + getDeadlockedThreadsCount(threadMXBean));
         return table;
     }
-
+    private int getDeadlockedThreadsCount(ThreadMXBean threads) {
+        final long[] ids = threads.findDeadlockedThreads();
+        if (ids == null) {
+            return 0;
+        } else {
+            return ids.length;
+        }
+    }
 }

site/src/site/sphinx/jvm.md

@@ -84,8 +84,10 @@ $ jvm
 
  THREAD               COUNT          16
                       DAEMON-COUNT   10
-                      LIVE-COUNT     18
+                      PEAK-COUNT     18
                       STARTED-COUNT  19
+                      DEADLOCK-COUNT  0
+                      
 Affect cost in 2 ms.
 ```