On Fri, 2005-12-30 at 09:00 +0100, Ingo Molnar wrote: > * Lee Revell <rlrevell@joe-job.com> wrote: > > > It seems that debug_smp_processor_id is being called a lot, even > > though I have a UP config, which I didn't see with the -rt kernel: > > do you have CONFIG_DEBUG_PREEMPT enabled? (if yes then disable it) Ah, thanks, I had assumed that the latency tracing depended on this. Lee - 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/
- References:
- 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables
- From: Lee Revell <rlrevell@joe-job.com>
- Re: 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables
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- Re: 2.6.15-rc5: latency regression vs 2.6.14 in exit_mmap->free_pgtables
- From: Lee Revell <rlrevell@joe-job.com>
- [patch] latency tracer, 2.6.15-rc7
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- Re: [patch] latency tracer, 2.6.15-rc7
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