Messages in this thread | | | Date | Wed, 23 May 2012 00:22:51 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [RFC][PATCH 00/32] Nohz cpusets v2 (adaptive tickless kernel) |
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On Tue, 22 May 2012, Steven Rostedt wrote:
> 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;
else if (!strcmp(str, "real") panic("Can't handle real TSCs!\n");
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