Linux command
arthas-trace 命令
文本
Copy it and replace filenames, paths, or keywords as needed.
命令示例
Trace
trace [com.example.MyClass] [myMethod]
Example
trace [com.example.MyClass] [myMethod] '#cost > 100'
Example
trace [com.example.MyClass] *
Example
trace -n [5] [com.example.MyClass] [myMethod]
说明
trace is an Arthas command that traces method execution paths and timing. It shows the call hierarchy within a method invocation, highlighting which sub-methods consume the most time. This is invaluable for identifying performance bottlenecks without adding logging or profiling instrumentation.
参数
- class-pattern
- Class name (supports wildcards)
- method-pattern
- Method name (supports wildcards)
- -n _count_
- Stop after count invocations
- --skipJDKMethod
- Skip tracing JDK methods
- condition-express
- OGNL condition (e.g., '#cost > 100')
FAQ
What is the arthas-trace command used for?
trace is an Arthas command that traces method execution paths and timing. It shows the call hierarchy within a method invocation, highlighting which sub-methods consume the most time. This is invaluable for identifying performance bottlenecks without adding logging or profiling instrumentation.
How do I run a basic arthas-trace example?
Run `trace [com.example.MyClass] [myMethod]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does class-pattern do in arthas-trace?
Class name (supports wildcards)