> Yeah, over the past 10 years we have been suffering from an increasing level of > blindness in the area of x86 performance analysis. Our old tools gradually > deteriorated, the hardware got smarter and more parallel and it was harder and > harder to see what happens. The 32-bit/64-bit split did not help us stay > focused either. I think i warned about this 4-5 years ago at a KS. > > This has improved meanwhile, we now have better tools (*wink* :) and have a > good performance monitoring model (*wink* :) and people are again looking at > the fine details and i think we now have a good chance to speed up the kernel > again and keep it fast - and not just on PowerPC which has its envied Olympus > of performance gods! :-) Hehe, right. I agree completely. > Watching out for performance is a fundamentally critical mass thing: for a long > time it seems a Sisyphean task with little progress, then it just happens very > quickly. I used to pay a lot more attention to performance myself than I do nowadays, and that is definitely not a good thing. Mostly blame being swamped with other things but still something I need to remedy in the near future. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html