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tldr/pages.zh/common/arthas-watch.md
witt a01593db31
arthas, arthas-{trace,watch}: add page and Chinese translation (#15487) 
* arthas: add page

* Update pages/common/arthas-trace.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* Update pages/common/arthas-trace.md

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>

* arthas: fix Syntax Error

* arthas: fix TLDR104

* Update pages.zh/common/arthas-trace.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages.zh/common/arthas-watch.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages.zh/common/arthas.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages.zh/common/arthas.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages.zh/common/arthas.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages.zh/common/arthas.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

* Update pages/common/arthas.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* Update pages.zh/common/arthas-trace.md

* Apply suggestions from code review

* arthas: fix chinese translation

---------

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: Jack Lin <blueskyson1401@gmail.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
2025-01-23 10:06:33 +08:00

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arthas-watch

函数执行数据观测。 另见 arthas, arthas-trace. 更多信息：https://arthas.aliyun.com/en/doc/watch.html.

  • 在方法调用后观察，显示第一个参数和返回值，展开嵌套对象的 4 层：

watch {{class-pattern}} {{method-pattern}} {{'{ params[0],returnObj }'}} -x 4

  • 在方法调用后观测，当第一个参数的值是 5 时，显示第二个参数和返回值，展开嵌套对象的 4 层：

watch {{class-pattern}} {{method-pattern}} {{'{ params[1],returnObj }'}} {{'"5".equals(params[0])'}} -x 4

  • 在方法返回和异常后观测，显示第二个参数的 count 属性：

watch {{class-pattern}} {{method-pattern}} {{'{ params[1].count }'}} -e -s