Messages in this thread | | | Subject | Re: [PATCH] x86: printk_time to use tsc before cpu_clock is ready | From | Peter Zijlstra <> | Date | Wed, 27 Aug 2008 09:47:13 +0200 |
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On Wed, 2008-08-27 at 09:42 +0200, Ingo Molnar wrote: > * Yinghai Lu <yhlu.kernel@gmail.com> wrote: > > > +static unsigned long long tsc_clock(int cpu) > > +{ > > + unsigned long long t; > > + > > + rdtscll(t); > > + > > + return t; > > +} > > hm, i'm not sure i like the whole direction - this reintroduces > printk_clock in essence. > > how about initializing cpu_clock() sooner, so that printk timestamps > start ticking as soon as possible?
which will make some archs quite unhappy iirc, see those arm and ia64 bugs I caused the other day.
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