On Tue, 2005-08-02 at 11:13 +0200, Tomasz Torcz wrote: > On Mon, Aug 01, 2005 at 08:19:42AM +0200, Stefan Seyfried wrote: > > Lee Revell wrote: > > > On Mon, 2005-08-01 at 00:47 +0200, Pavel Machek wrote: > > >> I'm pretty sure at least one distro will go with HZ<300 real soon now > > >> ;-). > > >> > > > > > > Any idea what their official recommendation for people running apps that > > > require the 1ms sleep resolution is? Something along the lines of "Get > > > bent"? > > > > MPlayer is using /dev/rtc and was running smooth for me since the good > > old 2.4 days. > > VMware also uses /dev/rtc. So is NTP, which is needed when time drifts. > But they can't use /dev/rtc simultanously, as it's single-open device. > So running ntpd denies vmware and mplayer access to RTC. Bummer. >
You could work around this to some extent by using the ALSA timer API with the RTC timer. I think this allows multiple open by setting the RTC to tick based on the lowest common denominator. It won't help vmware and NTP though. Lee - 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/
