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TTOP.md

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ttop command

ttop commands displays list of JVM threads with CPU usage and memory allocation rate details

Usage

> java -jar sjk.jar ttop -help

Usage: ttop [options]
  Options:
    -f, --filter
       Wild card expression to filter threads by name
        --help
       
       Default: false
    -o, --order
       Sort order. Value tags: CPU, USER, SYS, ALLOC, NAME
        --password
       Password for JMX authentication (only for socket connection)
    -p, --pid
       JVM process PID
    -ri, --report-interval
       Interval between CPU usage reports
       Default: 10000
    -si, --sampler-interval
       Interval between polling MBeans
       Default: 50
    -s, --socket
       Socket address for JMX port (host:port)
    -n, --top-number
       Number of threads to show
       Default: 2147483647
        --user
       User for JMX authentication (only for socket connection)

Example

> java -jar sjk.jar ttop -p 6344 -n 20 -o CPU

2013-09-09T11:32:45.426+0300 Process summary
  process cpu=31.08%
  application cpu=28.90% (user=6.40% sys=22.49%)
  other: cpu=2.19%
  heap allocation rate 5260kb/s
[000001] user= 3.12% sys=11.40% alloc=  762kb/s - main
[092018] user= 0.94% sys= 0.47% alloc=  335kb/s - RMI TCP Connection(16)-10.139.211.172
[092016] user= 0.31% sys= 1.56% alloc= 1927kb/s - SVN-WJGGZ
[092007] user= 0.78% sys= 8.75% alloc=  860kb/s - Worker-4863
[092012] user= 0.31% sys= 0.31% alloc=  429kb/s - Worker-4864
[091966] user= 0.16% sys= 0.00% alloc=   90kb/s - Worker-4859
[092022] user= 0.16% sys= 0.00% alloc=  6871b/s - JMX server connection timeout 92022
[000002] user= 0.00% sys= 0.00% alloc=     0b/s - Reference Handler
[000003] user= 0.00% sys= 0.00% alloc=     0b/s - Finalizer
[000004] user= 0.00% sys= 0.00% alloc=     0b/s - Signal Dispatcher
[000005] user= 0.00% sys= 0.00% alloc=     0b/s - Attach Listener
[000009] user= 0.00% sys= 0.00% alloc=     0b/s - Framework Active Thread
[000012] user= 0.00% sys= 0.00% alloc=     0b/s - Framework Event Dispatcher
[000014] user= 0.00% sys= 0.00% alloc=     0b/s - Start Level Event Dispatcher
[000015] user= 0.00% sys= 0.00% alloc=     0b/s - Bundle File Closer
[000018] user= 0.00% sys= 0.00% alloc=     0b/s - [Timer] - Main Queue Handler
[000019] user= 0.00% sys= 0.00% alloc=     0b/s - Worker-JM
[000029] user= 0.00% sys= 0.00% alloc=     0b/s - [ThreadPool Manager] - Idle Thread
[000030] user= 0.00% sys= 0.00% alloc=     0b/s - Java indexing
[000033] user= 0.00% sys= 0.00% alloc=     0b/s - com.google.inject.internal.util.$Finalizer