On Mon, Apr 30, 2007 at 03:58:45PM -0400, Bill Davidsen wrote: > Followup: I reran with sd-0.46, setting rr_interval to 40, and then 5 > (default was 16). Neither appeared to give a useful video playback. I > did try setting the make to nice 10, and that made the playback > perfectly smooth, as well as response to skip forward and volume change > happening when the key was pressed instead of eventually. > > I also tried raising the nice of X to -10, that made things better on > display, but I winder if it will let X run ahead of the nice-0 raid threads. > > Is this my hardware or is there a really odd behavior here? The sd seems > to be too fair to cope well with this realistic load, and expecting > users to nice things is probably morally correct but unrealistic.
People have been reporting very good performance with regards to OpenGL applications under SD. What is your video driver ? NVidia proprietary ? OpenGL, X and direct frame buffer access (mplayer and friends) tend not to interact each other which can result in very different scheduling characteristics between them. [please CC the relevant people for their own benefit] bill - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
