Messages in this thread |  | | Date | Mon, 29 Oct 2001 23:34:34 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: i/o stalls on 2.4.14-pre3 with ext3 |
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On Mon, 29 Oct 2001, Andrew Morton wrote: > > Hum. I did a quick test here. cvs checkout of a kernel > tree with source and dest both on the same platter. Using > ext2: > > 2.4.13: 1:34 > 2.4.14-pre3: 1:28 > 2.4.14-pre5: 1:37 > > We need more silly bugs.
Well, considering that the silly bug could result in request queue corruption, I really suspect you'll be happier without it ;)
The io_request_lock wasn't held in a critical place, which would potentially improve performance, but ...
> I'll poke at it a bit more. One perennial problem which > we face is that there isn't, IMO, a good set of tests for tracking > changes in thoughput. All the tools which are readily available > are good for stress testing and silly corner cases but they > don't seem to model real-world workloads well.
Agreed.
Linus
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