[转载]Measuring Mutexes, Spinlocks and how Bad the Linux Sc

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主题:[转载]Measuring Mutexes, Spinlocks and how Bad the Linux Sc
楼主|hgoldfish|2020-01-02 00:14:25|只看此ID
Measuring Mutexes, Spinlocks and how Bad the Linux Scheduler Really is

https://probablydance.com/2019/12/30/measuring-mutexes-spinlocks-and-how-bad-the-linux-scheduler-really-is/
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1楼|lambdago|2020-01-02 09:14:39|只看此ID
There’s some potentially misleading information here.

If you care about low latency on any general purpose OS, you need to use a realtime scheduling policy.

在Preempt-RT Linux 测试过，最大延迟都是us级的。

【在 hgoldfish 的大作中提到: 】
: Measuring Mutexes, Spinlocks and how Bad the Linux Scheduler Really is
: https://probablydance.com/2019/12/30/measuring-mutexes-spinlocks-and-how-bad-the-linux-scheduler-really-is/
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2楼|fanci|2020-01-02 12:30:20|只看此ID
内容翔实啊

【在 hgoldfish () 的大作中提到: 】
: Measuring Mutexes, Spinlocks and how Bad the Linux Scheduler Really is
:
: https://probablydance.com/2019/12/30/measuring-mutexes-spinlocks-and-how-bad-the-linux-scheduler-really-is/
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FROM 203.145.94.*
3楼|rvmoon|2020-01-18 11:46:56|只看此ID
感谢分享，刚好所需
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