On Mon, 2007-06-18 at 16:06 -0400, [EMAIL PROTECTED] wrote: > On Sat, 16 Jun 2007 10:36:00 -0000, Thomas Gleixner said: > > The following patch series contains: > > > > - dyntick bugfixes for -mm (caused by the cpuidle changes in ACPI) > > > > - updates and improvements to high resolution timer / dynticks > > > > - high resolution timer / dynticks support for x86_64 > > Am running with the 22-rc4-mm2-hrt4 patch on my Latitude D820. Mostly seems > to work, but for some reason the Intel 'powertop' util thinks it's 100% busy: > > PowerTOP version 1.7 (C) 2007 Intel Corporation > > Cn Avg residency (5s) P-states (frequencies) > C0 (cpu running) (100.0%) > C1 0.0ms ( 0.0%) 2.00 Ghz 0.0% > C2 0.0ms ( 0.0%) 1.67 Ghz 0.0% > C3 0.0ms ( 0.0%) 1333 Mhz 0.0% > 1000 Mhz 100.0% > > In reality:
looks like something broke the /proc/acpi/processor/*/power file data.... can you check in that file to see if there is actual C-state time accounting going on? (it is in mainline, so if it's not then it's an -mm or -hrt bug) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - 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/
