Messages in this thread |  | | Date | Mon, 16 Aug 2004 16:58:31 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] voluntary-preempt-2.6.8.1-P2 |
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* Thomas Charbonnel <thomas@undata.org> wrote:
> 0.000ms (+0.000ms): do_IRQ (default_idle) > 0.000ms (+0.000ms): mask_and_ack_8259A (do_IRQ) > 0.459ms (+0.459ms): generic_redirect_hardirq (do_IRQ) > 0.459ms (+0.000ms): generic_handle_IRQ_event (do_IRQ) > 0.459ms (+0.000ms): timer_interrupt (generic_handle_IRQ_event)
> It definitely looks like the kernel is interrupted by some interrupt > source not covered by the patch.
the only possibility is SMM, which is not handled by Linux. (but by the BIOS.) Otherwise we track everything - including NMIs.
can you reproduce this using an UP kernel too?
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