Re: [PATCH 5/15] cfq-iosched: speed up rbtree handling

On Wed, Apr 25 2007, Alan D. Brunelle wrote:
> Hi Jens -
> 
> The attached patch speeds it up even more - I'm finding a >9% reduction 
> in %system with no loss in IO performance. This just sets the cached 
> element when the first is looked for.

Interesting, good thinking. It should not change the IO pattern, as the
end result should be the same. Thanks Alan, will commit!

I'll give elevator.c the same treatment, should be even more beneficial.
Stay tuned for a test patch.

-- 
Jens Axboe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH 5/15] cfq-iosched: speed up rbtree handling
    • From: Jens Axboe <[email protected]>

• References:
  • [PATCH 0/15] CFQ IO scheduler patch series
    • From: Jens Axboe <[email protected]>
  • [PATCH 5/15] cfq-iosched: speed up rbtree handling
    • From: Jens Axboe <[email protected]>
  • Re: [PATCH 5/15] cfq-iosched: speed up rbtree handling
    • From: "Alan D. Brunelle" <[email protected]>

• Prev by Date: Re: [RFC][PATCH] ChunkFS: fs fission for faster fsck
• Next by Date: Re: Found this in my logs
• Previous by thread: Re: [PATCH 5/15] cfq-iosched: speed up rbtree handling
• Next by thread: Re: [PATCH 5/15] cfq-iosched: speed up rbtree handling
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]