Messages in this thread | | | Date | Sun, 30 Apr 2006 19:25:03 +0000 | From | Pavel Machek <> | Subject | Re: [PATCH] likely cleanup: revert unlikely in ll_back_merge_fn |
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On Tue 25-04-06 20:30:26, Jens Axboe wrote: > On Tue, Apr 25 2006, Hua Zhong wrote: > > With likely/unlikely profiling (see the recent patch dwalker@mvista.com > > sent), on my not-so-busy-typical-development system it shows more than > > 80K misses and no hits. So I guess it makes sense to revert. > > > > I don't know BIO code very well, but I hope this data is useful for the > > experts. > > Well you'd want to optimize for the busy case, right, no point in > optimizing for a more idle system.
Careful here... for battery-powered systems you may want to optimize for idle system... Pavel -- Thanks, Sharp! - 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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