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>>> Ingo Molnar <mingo@elte.hu> 29.09.06 20:39 >>> > >* Andi Kleen <ak@suse.de> wrote: > >> "Jan Beulich" <jbeulich@novell.com> writes: >> >> > There's nothing stack trace/unwind related among the functions listed at all afaics. >> > I don't know much about how profiling works, is it perhaps just missing something? >> >> Perhaps lockdep calls them with interrupts off? The old profiler >> doesn't support profiling with interrupts off. oprofile does, but it >> cannot be used at early boot. > >Yes, lockdep does everything that changes the dependency graph(s) with >irqs off. Jan, i bounced you the mail with the function traces included, >that should show you the overhead points. Okay, makes sense then. I'll get to addressing the (already identified) cause as soon as I can. Jan - 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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