Messages in this thread | | | Date | Mon, 5 Dec 2005 22:34:46 +0100 | From | Pavel Machek <> | Subject | Re: [ACPI] [PATCH] i386 No Idle HZ aka dynticks v051205 |
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Hi!
> > The main change to this version is the inclusion of Dominik's patches to > > cpufreq ondemand, acpi c-states and bus mastering which should start making > > the potential power saving features of dyntick a reality (thanks!). > > One buildfix for !CONFIG_NO_IDLE_HZ as well. > > > > If you get strange stalls with this patch then almost certainly it is a > > problem with dynticks and your apic so booting with the "noapic" option > > should fix it. > > > > Split out patches, timertop and pmstats utilities and latest patch available > > here: > > http://ck.kolivas.org/patches/dyn-ticks/ > > > > FAQ: > > What Hz should I use with dynticks in the config? > > 1000 to realise the benefits of the power saving features and low latency. > > > > Should I enable timer statistics? > > Only if you're planning on using the timertop utility to help you recognise > > the biggest sources of timers currently in use to help you improve power > > savings. > > Strange. It works okay here (thinkpad x32, configured SMP), but > something strange is going on with cursor. I use softcursor (normal > underline but highlight background), and underline no longer blinks > over it. > > Try: > > echo -e "\33[10;5000]\33[11;50]\33[?18;0;136c\33[?102m" > > on vanilla and no-idle-hz kernels to see what I mean. I'm using > framebuffer console here.
Ok, so the problem is in -rc5 mainline, not in dynticks... Perhaps it is time to get dynticks merged to -mm tree? Pavel -- Thanks, Sharp! - 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/
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