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Re: [PATCH] sched: print information about scheduler granularity

On 16/04/2020 09:57, Jürgen Groß wrote:
> On 16.04.20 10:33, Sergey Dyasli wrote:
>> Currently it might be not obvious which scheduling mode is being used
>> by the scheduler. Alleviate this by printing additional information
>> about the selected granularity. Messages now look like these:
>> 1. boot
>> (XEN) [00089808f0ea7496] Using scheduler: SMP Credit Scheduler (credit) in 
>> core-scheduling mode
>> 2. xl debug-keys r
>> (XEN) [   45.914314] Scheduler: SMP Credit Scheduler (credit) in 2-way 
>> core-scheduling mode
>> Signed-off-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
> Hmm, do we need that?
> The xen commandline ins part of the boot messages and is contained
> in the "xl info" output.

It's true that you can see "sched-gran=core" in "xl info" output. But that's
just the switch - not the end result. A user might want to verify that he did
everything correctly and core-scheduling mode has indeed been enabled.




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