safepoint bias

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safepoint bias

2020年9月9日 — It avoids the safepoint bias problem by using the AsyncGetCallTrace API provided by HotSpot JVM to profile the Java code paths, and Linux's ... ,2020年6月24日 — Its goal is to facilitate profiling of Java applications with low overhead and with no safepoint bias. ,No specification indicates when these safepoint checks occur, and they vary between releases. The effect of this safepoint bias on sampling profilers can be ... ,2019年10月10日 — SafePoint Bias问题. 基于Sampling的CPU Profiler通过采集程序在不同时间点的调用栈样本来近似地推算出热点方法,因此,从理论 ... ,2020年7月19日 — 对于偏向锁(Biased Lock),在高并发时想要解除偏置,需要线程状态还有获取锁的线程的精确信息。 对方法进行即时编译优化(OSR栈上 ... ,2019年3月11日 — Stop the World pause means safepoint in hotspot JVM. And safepoints brings some nuances. When Visual VM requests thread dump, JVM ... ,2019年8月5日 — JVM TI only allows collecting stack traces at a safepoint. Therefore, any sampling profilers using JVM TI suffer from the safepoint bias problem. ,2016年2月24日 — Safepoint bias is discussed in this nice paper from 2010: Evaluating the Accuracy of Java Profilers, where the writers recognize that different Java ... ,2013年7月25日 — Essentially, Java profilers may produce inaccurate results when sampling due to the fact that the sampling occurs during the safe points. And ... ,2020年11月9日 — Revoking biased lock is a safepoint operation, which means it needs a Stop-the-world phase to do its job. This phase stops every application ...

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safepoint bias 相關參考資料
A Guide to async-profiler | Baeldung

2020年9月9日 — It avoids the safepoint bias problem by using the AsyncGetCallTrace API provided by HotSpot JVM to profile the Java code paths, and Linux's ...

https://www.baeldung.com

Is there a lightweight method which adds a safepoint in Java 9 ...

2020年6月24日 — Its goal is to facilitate profiling of Java applications with low overhead and with no safepoint bias.

https://stackoverflow.com

Java Performance: In-Depth Advice for Tuning and Programming ...

No specification indicates when these safepoint checks occur, and they vary between releases. The effect of this safepoint bias on sampling profilers can be ...

https://books.google.com.tw

JVM CPU Profiler技术原理及源码深度解析- 美团技术团队

2019年10月10日 — SafePoint Bias问题. 基于Sampling的CPU Profiler通过采集程序在不同时间点的调用栈样本来近似地推算出热点方法,因此,从理论 ...

https://tech.meituan.com

JVM相关- SafePoint 与Stop The World 全解- 知乎

2020年7月19日 — 对于偏向锁(Biased Lock),在高并发时想要解除偏置,需要线程状态还有获取锁的线程的精确信息。 对方法进行即时编译优化(OSR栈上 ...

https://zhuanlan.zhihu.com

Lies, darn lies and sampling bias - Alexey Ragozin

2019年3月11日 — Stop the World pause means safepoint in hotspot JVM. And safepoints brings some nuances. When Visual VM requests thread dump, JVM ...

http://blog.ragozin.info

Profiling Java Applications with Async Profiler | Hacker Noon

2019年8月5日 — JVM TI only allows collecting stack traces at a safepoint. Therefore, any sampling profilers using JVM TI suffer from the safepoint bias problem.

https://hackernoon.com

Psychosomatic, Lobotomy, Saw: Why (Most) Sampling Java ...

2016年2月24日 — Safepoint bias is discussed in this nice paper from 2010: Evaluating the Accuracy of Java Profilers, where the writers recognize that different Java ...

http://psy-lob-saw.blogspot.co

What are safe points and safe point polling in context of ...

2013年7月25日 — Essentially, Java profilers may produce inaccurate results when sampling due to the fact that the sampling occurs during the safe points. And ...

https://stackoverflow.com

[Java][JVM][Tuning][Profiling] Biased lock disabled, again

2020年11月9日 — Revoking biased lock is a safepoint operation, which means it needs a Stop-the-world phase to do its job. This phase stops every application ...

https://www.linkedin.com