[PATCH 0/6] vc04_services: Make it work on arm64

Michael Zoran mzoran at crowfest.net
Thu Oct 20 20:10:02 PDT 2016


On Thu, 2016-10-20 at 10:41 +0200, Greg KH wrote:
> On Thu, Oct 20, 2016 at 10:40:36AM +0200, Greg KH wrote:
> > > Here are some results of performance tests with and without #4
> > > 
> > > Test                            dmac_map_area          
> dma_map_page
> > > vchiq_test -b 4 10000           51us/iter               76us/iter
> > > vchiq_test -b 8 10000           70us/iter               82us/iter
> > > vchiq_test -b 16 10000          94us/iter              
> 118us/iter
> > > vchiq_test -b 32 10000          146us/iter             
> 173us/iter
> > > vchiq_test -b 64 10000          263us/iter             
> 328us/iter
> > > vchiq_test -b 128 10000         529us/iter             
> 631us/iter
> > > vchiq_test -b 256 10000         2285us/iter            
> 2275us/iter
> > > vchiq_test -b 512 10000         4372us/iter            
> 4616us/iter
>> > Same with this, it needs to go into patch 4.  I'll drop that patch
> from
> > my queue now so I don't accidentally apply it.

I think that's the best for now as well.   I have a few ideas on how to
improve #4 that I think will be more acceptable and if I get it to work
I will submit it as an independent series.

Thanks.






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