domain switch

Leandro Bucci guestleandro11 at gmail.com
Sun Jan 3 02:29:27 CET 2021


Awesome, thanks!

Il dom 3 gen 2021, 00:06 steve freyder <steve at freyder.net> ha scritto:

> Right.
>
>
> AKA, "mode switch", a switch from "primary mode" to "secondary mode", or
> vice versa.
>
> One place you can find that information is in:
>
> /proc/xenomai/sched/acct
>
> there are two fields MSW, and CSW which count mode/context switches
> per-process.  This requires an open, a read loop to locate the desired pid
> and extract the desired information, then either rewind or close/reopen to
> do it again - all of which will almost surely generate more mode/context
> switching.
>
>
> On 1/2/2021 2:54 PM, Leandro Bucci via Xenomai wrote:
>
> Hi, I wanted to know if there was a way to count the number of times a
> domain switch happens.
> For example the printf () function causes a domain switch, right?
>
>


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