Messages in this thread | | | Date | Fri, 13 Nov 2015 11:27:29 +0800 | Subject | Re: [PATCH 0/2] Introduce the request handling for dm-crypt | From | Baolin Wang <> |
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On 12 November 2015 at 23:02, Mark Brown <broonie@kernel.org> wrote: > On Thu, Nov 12, 2015 at 01:57:27PM +0100, Arnd Bergmann wrote: >> On Thursday 12 November 2015 20:51:10 Baolin Wang wrote: > >> > But it maybe not enough for HW engine which can handle maybe 10M/20M >> > at one time. > >> Given that you have already done measurements, can you find out how much >> you lose in overall performance with your existing patch if you artificially >> limit the maximum size to sizes like 256kb, 1MB, 4MB, ...? > > It's probably also worth looking at the impact on CPU utilisation as > well as throughput in your benchmarking since the system will often not > be idle when it's doing a lot of I/O - I know you've done some > measurements in that area before, including them when looking at block > sizes might be interesting.
Make sense.
-- Baolin.wang Best Regards
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