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SubjectRe: [RFC][PATCH 00/32] Nohz cpusets v2 (adaptive tickless kernel)
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On Tue, 2012-05-22 at 23:31 +0200, Thomas Gleixner wrote:

> diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
> index 590900c..dc8ecc3 100644
> --- a/arch/x86/kernel/tsc.c
> +++ b/arch/x86/kernel/tsc.c
> @@ -109,6 +109,10 @@ static int __init tsc_setup(char *str)
> {
> if (!strcmp(str, "reliable"))
> tsc_clocksource_reliable = 1;
> + if (!strcmp(str, "perfect")) {
> + tsc_clocksource_reliable = 1;
> + sched_clock_stable = 1;
> + }

else if(!strcmp(str, "pony")) {
tsc_clocksource_reliable = 1;
sched_clock_stable = 1;
tsc_perfect_smp_synchronization = 1;
}

-- Steve

> if (!strncmp(str, "noirqtime", 9))
> no_sched_irq_time = 1;
> return 1;
>




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