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## 背景
arthas提供了profiler命令，可以生成热点火焰图。通过采样录制调用链路来做性能分析，极大提升了线上排查性能问题的效率。
但是有一个问题，当async-profiler全量采样导出的svg文件太大时，想要找到关键的调用点，就非常困难。
比如下图：
: -XX:+FlightRecorder -XX:+UnlockCommercialFeatures.
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Describe the problem:
Test JFK
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Log starts here
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21:16:47 :
21:16:47 : .ctor in Form1.cs:72 : Starting flightrecorder
21:16:47 : .ctor in Form1.cs:91 : Ver…
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### What happened?
I'm trying to deploy seleniumgrid 4 in Openshift (Build on top of Kubernates). I created separate deployment for hub and chrome node. Also, Created services for Hub & chrome node i…
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We've probably seen this for a while, but there is a JFR related issue showing up on integration tests for the 23.0 train (JDK 17 based):
```
Error: Failures:
Error: JFRTest.jfrOptionsSmokeT…
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lines like this
`c10::str("nccl:send ", rank_, "->", dstRank).c_str());`
pass a pointer to immediately free'd memory. Downstream usage such as flightrecorder can end up copying a garbage string. T…
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This is an issue to automatically track failures in Mandrel's CI runs.
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to help find when there's something wrong
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Describe the problem:
==================
Log starts here
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20:40:48 :
20:40:49 : .ctor in Form1.cs:72 : Starting flightrecorder
20:40:49 : .ctor in Form1.cs:91 : Version : 0…
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```
#!watchflakes
default