Re: mempool and cacheline ping pong

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Hi Nathan,

I drafted a c2c standalone teuthology test[0]. Would you be so kind as to push it to GitHub on my behalf so that it builds the corresponding packages? I'm sorry to bother you with this but I don't know if there is another way to build the packages and tell teuthology to get them.

Cheers

[0] https://lab.fedeproxy.eu/ceph/ceph/-/tree/wip-mempool-cacheline-49781

On 25/03/2021 14:04, Loïc Dachary wrote:
> Hi Joe,
>
> Thanks for the comment, it makes perfect sense. I'm eager to work on it but I'll have be patient and wait until next week.
>
> To be continued!
>
> On 25/03/2021 13:40, jmario@xxxxxxxxxx wrote:
>> Hi Loïc:
>> One quick comment.
>>
>> Normally a script with many commands isn't needed to detect cacheline contention.   The reason I gave you one is because I know nothing about your environment, the topology, the system, or the load you're running.    The many commands in that script should give me enough information such that I don't come back a 2nd time asking you to rerun something because I needed more information.
>>
>> All it takes is one simple "perf c2c record ..." command to examine cacheline contention.  And my goal is to help you see it yourself.
>>
>> Let me know when you have something.
>> Thank you.
>> Joe
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-- 
Loïc Dachary, Artisan Logiciel Libre
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