lkml.org 
[lkml]   [2006]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] mm: yield during swap prefetching
From
Date
On Thu, 2006-03-09 at 10:00 +1100, Con Kolivas wrote:
> Zan Lynx writes:
[snip]
> > Games and real-time go together like they were made for each other.
>
> I guess every single well working windows game since the dawn of time is
> some sort of anomaly then.

Yes, those Windows games are anomalies that rely on the OS scheduling
them AS IF they were real-time, but without actually claiming that
priority.

Because these games just assume they own the whole system and aren't
explicitly telling the OS about their real-time requirements, the OS has
to guess instead and can get it wrong, especially when hardware
capabilities advance in ways that force changes to the task scheduler
(multi-core, hyper-threading). And you said it yourself, many old games
don't work well on dual-core systems.

I think your effort to improve the guessing is a good idea, and
thanks.

Just don't dismiss the idea that games do have real-time requirements
and if they did things correctly, games would explicitly specify those
requirements.
--
Zan Lynx <zlynx@acm.org>
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2006-03-09 00:50    [W:0.153 / U:2.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site