Re: [linux-audio-dev] Re: costs of IPC

[Paul Davis]

>Now has combined graphs and comparison with single CPU machine.
>
>I'm not sure what to make of the differences, its worht noting that the
>single cpu machine gets its fs from a fileserver, which I think explains
>some of the differences.

I'm a little puzzled. the "sp" case doesn't have any IPC costs or
context switches. How can it be consuming 12-15% of the CPU time in
these costs? These costs are always zero for this case, surely?