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