Re: [PATCH -v3] perf, x86: try to handle unknown nmis with runningperfctrs

From: Don Zickus
Date: Thu Aug 19 2010 - 17:58:35 EST


On Thu, Aug 19, 2010 at 04:27:13PM +0200, Peter Zijlstra wrote:
> x86_pmu.drain_pebs(regs);
> + }
>
> for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
> struct perf_event *event = cpuc->events[bit];
>
> + handled++;
> +
> if (!test_bit(bit, cpuc->active_mask))
> continue;

Sorry I didn't notice this earlier, but I think you want that handled++
after the if(..) continue pieces. Otherwise you will always have a number
>1. :-)

Cheers,
Don
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/