* Pavel Machek <[EMAIL PROTECTED]> [050119 15:47]: > Hi! > > > > > > > As this patch is related to the VST/High-Res timers, there > > > > > > are probably various things that can be merged. I have not > > > > > > yet looked at what all could be merged. > > > > > > > > > > > > I'd appreciate some comments and testing! > > > > > > > > > > Good news is that it does seem to reduce number of interrupts. Bad > > > > > news is that time now runs faster (like "sleep 10" finishes in ~5 > > > > > seconds) and that I could not measure any difference in power > > > > > consumption. > > > > > > > > Thanks for trying it out. I have quite accurate time here on my > > > > systems, and sleep works as it should. I wonder what's happening on > > > > your system? If you have a chance, could you please post the results > > > > from following simple tests? > > > > > > On patched 2.6.11-rc1: > > > > > > [Heh, clock is two times too fast, perhaps that makes ntpdate fail? -- > > > yes. > > > > > > [EMAIL PROTECTED]:~# dmesg | grep -i time; for i in 1 2 3 4 5; do ntpdate > > > -b tak.cesnet.cz && sleep 10; done ; date && sleep 10 && date; while [ 1 > > > ]; do date; done | uniq > > > PCI: Setting latency timer of device 0000:00:11.5 to 64 > > > dyn-tick: Enabling dynamic tick timer > > > dyn-tick: Timer using dynamic tick > > > > Thanks. Looks like you're running on PIT only, I guess my patch > > currently breaks PIT (and possibly HPET) No dmesg message for " > > "Using XXX for high-res timesource". > > Okay, so I set CONFIG_HPET. CONFIG_X86_TSC was already set, I wonder > why the code did not use it?
Can you try with no CONFIG_HPET and CONFIG_X86_TCS or X86_PM_TIMER? I don't have hardware with HPET, so I have not looked at it. Tony - 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/