@ -37,6 +37,7 @@ Arthas was built to solve these issues. A developer can troubleshoot your produc
* Monitor system metrics, thread states and cpu usage, gc statistics, and etc.
* Supports command line interactive mode, with auto-complete feature enabled.
* Supports telnet and websocket, which enables both local and remote diagnostics with command line and browsers.
* Supports profiler/Frame Graph
* Supports JDK 6+.
* Supports Linux/Mac/Windows.
@ -103,6 +104,8 @@ You can enter its interactive interface by executing `as.sh`, or execute `as.sh
#### Thread
* https://alibaba.github.io/arthas/en/thread
See what is eating your cpu (ranked by top cpu usage) and what is going on there in one glance:
```bash
@ -134,6 +137,8 @@ $ thread -n 3
#### jad
* https://alibaba.github.io/arthas/en/jad
Decompile your class with one shot:
```java
@ -172,6 +177,7 @@ public interface Servlet {
```
#### mc
* https://alibaba.github.io/arthas/en/mc
Memory compiler, compiles `.java` files into `.class` files in memory.
@ -181,6 +187,8 @@ mc /tmp/Test.java
#### redefine
* https://alibaba.github.io/arthas/en/redefine
Load the external `*.class` files to re-define the loaded classes in JVM.
```bash
@ -190,6 +198,8 @@ redefine -c 327a647b /tmp/Test.class /tmp/Test\$Inner.class
#### sc
* https://alibaba.github.io/arthas/en/sc
Search any loaded class with detailed information.
```bash
@ -226,6 +236,8 @@ $ sc -d org.springframework.web.context.support.XmlWebApplicationContext
#### stack
* https://alibaba.github.io/arthas/en/stack
View the call stack of `test.arthas.TestStack#doGet` :
```bash
@ -261,12 +273,16 @@ ts=2018-09-18 10:11:45;thread_name=http-bio-8080-exec-10;id=d9;is_daemon=true;pr
#### Trace
* https://alibaba.github.io/arthas/en/trace
See what is slowing down your method invocation with trace command:
#### Watch
* https://alibaba.github.io/arthas/en/watch
Watch the first parameter and thrown exception of `test.arthas.TestWatch#doGet` only if it throws exception.
```bash
@ -281,6 +297,8 @@ ts=2018-09-18 10:26:28;result=@ArrayList[
#### Monitor
* https://alibaba.github.io/arthas/en/monitor
Monitor a specific method invocation statistics, including total number of invocations, average response time, success rate, and every 5 seconds:
```bash
@ -302,6 +320,8 @@ Affect(class-cnt:1 , method-cnt:1) cost in 109 ms.
#### Time Tunnel(tt)
* https://alibaba.github.io/arthas/en/tt
Record method invocation data, so that you can check the method invocation parameters, returned value, and thrown exceptions later. It works as if you could come back and replay the past method invocation via time tunnel.
```bash
@ -323,6 +343,8 @@ Affect(class-cnt:1 , method-cnt:1) cost in 75 ms.
#### Classloader
* https://alibaba.github.io/arthas/en/classloader
```bash
$ classloader
name numberOfInstances loadedCountTotal
@ -345,6 +367,27 @@ $ classloader
#### Profiler/FrameGraph
* https://alibaba.github.io/arthas/en/profiler
```bash
$ profiler start
Started [cpu] profiling
```
```
$ profiler stop
profiler output file: /tmp/demo/arthas-output/20191125-135546.svg
OK
```
View profiler results under arthas-output via browser:
### Known Users
Welcome to register the company name in this issue: https://github.com/alibaba/arthas/issues/111 (in order of registration)
@ -463,3 +506,4 @@ This project exists thanks to all the people who contribute.
* [cli ](https://github.com/eclipse-vertx/vert.x/tree/master/src/main/java/io/vertx/core/cli ): Arthas's command line interface implementation is based on cli, open sourced by vert.x
* [compiler ](https://github.com/skalogs/SkaETL/tree/master/compiler ) Arthas's memory compiler.
* [Apache Commons Net ](https://commons.apache.org/proper/commons-net/ ) Arthas's telnet client.
* [async-profiler ](https://github.com/jvm-profiling-tools/async-profiler ) Arthas's profielr command.
hengyunabc
5 years ago