Messages in this thread | | | Date | Wed, 24 Mar 2004 15:52:53 +0100 | From | Andrea Arcangeli <> | Subject | Re: CONFIG_PREEMPT and server workloads |
| |
On Wed, Mar 24, 2004 at 02:57:20PM +0100, Takashi Iwai wrote: > At Sat, 20 Mar 2004 16:03:11 +0100, > Andrea Arcangeli wrote: > > > > On Sat, Mar 20, 2004 at 06:51:11AM -0800, William Lee Irwin III wrote: > > > I may have missed one of his posts where he gave the results from the > > > RT test suite. I found a list of functions with some kind of numbers, > > > though I didn't see a description of what those numbers were and was > > > looking for something more detailed (e.g. the output of the RT > > > instrumentation things he had with and without preempt). This is all > > > mostly curiosity and sort of hoping this gets carried out vaguely > > > scientifically anyway, so I'm not really arguing one way or the other. > > > > agreed. what I've seen so far is a great number of graphs, they were > > scientific enough for my needs and covering real life different > > workloads, but I'm not sure what Takashi published exactly, you may want > > to discuss it with him. > > sorry, there is no exact descrption (yet) in public, except for the > pdf of slides i presented ago: > > http://www.alsa-project.org/~iwai/audio-latency.pdf
this is what I meant. To be fair I've also seen lots of raw input data, but you represented all the interesting points in the presentation.
> it uses its own kernel module to generate irqs from RTC and to trace > stacks. > > i'll show the results of the recent kernels tomorrow...
cool ;) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |