Re: Syscall contention tests return, userret() bugs/issues.

In message <[e-mail]>, Matthew Dillon wri

>    And do a compative syscall rate test on a two-cpu system running
>    two getuid() processes, this happens:
>
>				1 process	2 processes
>    w/PCPU:			1004000		1000000
>    w/++cnt.v_syscall:		1004000		 853000

But is this a relevant test-case to optimize for ?

We are trying to eliminate all often used trivial syscalls need to
get into the kernel in the first place, and for non-trivial
syscalls it doesn't matter a hoot how that increment is done...

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