On Sun, 5 Jun 2016 17:01:29 +0200 "Fabio Pietrosanti (naif) - lists" <lists@xxxxxxxxxxxxxxx> wrote: > > Do you mean 60 Mbit? If so, then that's a very good result for only 30% CPU. > > It means that the padlock is doing it's job in making crypto acceleration. Without padlock I am seeing about 50% CPU use with 25 Mbit in + 25 Mbit out. > >> There's a way to measure the uses of the hw acceleration given by the > >> Via Padlock, if it's at 10% of it's capacity or 100% ? > > > > There is no way, the only hint you have is the general CPU load. > > > That's the point, i want to measure how the padlock hw accel is > performing, to understand if it does hit it's limits or not. > > I think that we need to find a way It is not a separate accelerator device with its own throughput limits, it's just a set of additional instructions in the CPU. Hence as long as you see CPU load less than 100%, then no "limit" has been hit. Or if you see 100% CPU use, then there's your answer, even with the padlock support it is now saturated. -- With respect, Roman
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