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On Tue, 4 Nov 2003 15:18:00 +0200, Gilad Ben-Yossef <[EMAIL PROTECTED]> wrote:
>
> On Tuesday 04 November 2003 14:43, Ehud Karni wrote:
>
> > I tested the select call on various machines.
> > 1. It is not accurate enough (2 ms deviations).
>
> Yes it
If you don't set your process to SCHED_FIFO or SCHED_RR (only possible
as root) and give it realtime priority, you can never be sure to wake up
in time (see Gilad's message in the thread).
>From my understanding, if you recompile the kernel with HZ value higher
than 1000, you can use nanosleep or u
On Tuesday 04 November 2003 14:43, Ehud Karni wrote:
> I tested the select call on various machines.
> 1. It is not accurate enough (2 ms deviations).
Yes it does, you don't seem to use sched_setscheduler in your test program to
give your proccess real time priority. setpriority only changes
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On Mon, 03 Nov 2003 12:30:15 +0200, Ami Chayun <[EMAIL PROTECTED]> wrote:
>
> A couple of results:
> 1) The rdtscll Pentium instruction (Eran's answer) is very useful. It's
> super accurate and right now I decided to use it mostly to benchmark
> other
Hi all,
First of all, I'd like to thank everyone that have answered, I never
expected so many solutions :)
A couple of results:
1) The rdtscll Pentium instruction (Eran's answer) is very useful. It's
super accurate and right now I decided to use it mostly to benchmark
other solutions, and to esti
