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Use of Arthas

2022-06-30 02:56:00 【Small white stroke】

jvm Of related orders dashboard Result set introduction

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thread Related commands

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thread   View all java Threads 
thread 1  see id by 1 Thread information for 
thread -n 3  View the busiest 3 Thread thread 
thread -b   View the currently blocked threads 
thread -i 1000 -n 3  Specify the sampling interval , every 1000 millisecond , Displays the most time consuming 3 Threads 
thread --state WAITING  View the threads waiting

### jvm

jvm Relevant command

sysenv

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vmoption

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getstatic

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ognl

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class/classloader Relevant command

sc

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sm

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jad take class Decompile the file to java file


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mc take java File compiled into class file

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redefine

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dump Save the loaded bytecode file to the specified directory

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classloader

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monitor Monitor the execution of methods in the specified class

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watch Observe the call of the specified method

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trace command Trace the internal call path of the method , And output the time consumption of each node

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stack Output the call path of the current method to be called

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tt Record the input and return information of each call of the specified method

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https://yzsam.com/2022/02/202202160642028103.html

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