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+dashboard
+=========
+
+This is the realtime dashboard for the system; press `Ctrl+C` to exit.
+
+When running in *Ali-tomcat*, the dashboard will present the realtime statistics of the tomcat including [QPS](https://en.wikipedia.org/wiki/Queries_per_second), RT, error counts, thread profile and the like.
+
+### A Demo
+
+```
+$ dashboard
+ID         NAME                              GROUP                  PRIORITY   STATE       %CPU       TIME       INTERRUPTED DAEMON
+889        RMI TCP Connection(15)-30.10.166. RMI Runtime            9          RUNNABLE    48         0:5        false       true
+1077       Timer-for-arthas-dashboard-0      system                 9          RUNNABLE    24         0:0        false       true
+1074       as-selector-daemon                system                 9          RUNNABLE    12         0:0        false       true
+284        JMX server connection timeout 284 RMI Runtime            9          TIMED_WAITI 8          0:3        false       true
+16         Timer-1                           main                   5          TIMED_WAITI 5          0:9        false       true
+47         Pandora pandora-qos-reporter Pool main                   5          TIMED_WAITI 0          0:0        false       true
+48         JmonitorClient-CheckThread Pool [ main                   5          TIMED_WAITI 0          0:0        false       true
+49         JmonitorClient-HeartBeat Pool [Th main                   5          TIMED_WAITI 0          0:0        false       true
+50         JmonitorClient-ReaderThread Pool  main                   5          TIMED_WAITI 0          0:0        false       true
+957        RMI TCP Connection(16)-30.10.166. RMI Runtime            9          RUNNABLE    0          0:2        false       true
+51         JmonitorClient-WriterThread Pool  main                   5          TIMED_WAITI 0          0:0        false       true
+52         ContainerBackgroundProcessor[Stan main                   5          TIMED_WAITI 0          0:0        false       true
+53         http-bio-8080-Acceptor-0          main                   5          RUNNABLE    0          0:2        false       true
+54         http-bio-8080-AsyncTimeout        main                   5          TIMED_WAITI 0          0:0        false       true
+11         GC Daemon                         system                 2          TIMED_WAITI 0          0:0        false       true
+Memory                       used      total     max      usage     GC
+heap                         59M       223M      1820M    3.26%     gc.ps_scavenge.count              118
+ps_eden_space                14M       114M      668M     2.11%     gc.ps_scavenge.time(ms)           1890
+ps_survivor_space            6M        6M        6M       96.08%    gc.ps_marksweep.count             5
+ps_old_gen                   39M       103M      1365M    2.86%     gc.ps_marksweep.time(ms)          1140
+nonheap                      234M      240M      0M       97.46%
+code_cache                   46M       47M       240M     19.49%
+metaspace                    167M      172M      0M       97.36%
+Runtime                                                             Tomcat
+os.name                           Mac OS X                          connector                         http-bio-8080
+os.version                        10.10.5                           QPS                               0.00
+java.version                      1.8.0_60                          RT(ms)                            1.13
+java.home                                                           error/s                           0.00
+                                                                    received/s                        0B
+systemload.average                3.44                              sent/s                            0B
+processors                        4                                 threadpool                        http-bio-8080
+uptime                            16020s                            busy                              0
+```
+
+### Specification
+
+* ID: thread ID in JVM (this is different from the nativeID in thread dump)
+* NAME: thread name
+* GROUP: group the thread is in
+* STATE: the current state of the thread
+* PRIORITY: within 1 ~ 10 (the higher the number, the higher the priority)
+* CPU%: CPU usage ratio within 100ms
+* TIME: total running time in minute:second format
+* INTERRUPTED: the thread interrupted state
+* DAEMON: is daemon thread or not
+
+### Screenshots
+
+![alt text](_static/dashboard.png "dashboard")