Messages in this thread |  | | Date | Mon, 14 May 2001 00:09:08 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: Getting FS access events |
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On Sun, 13 May 2001, Richard Gooch wrote: > Larry McVoy writes:
> > Ha. For once you're both wrong but not where you are thinking. One > > of the few places that I actually hacked Linux was for exactly this > > - it was in the 0.99 days I think. I saved the list of I/O's in a > > file and filled the buffer cache with them at next boot. It > > actually didn't help at all. > > Maybe you did something wrong :-)
How about "the data loads got instrumented, but the metadata loads which caused over half of the disk seeks didn't" ?
(just a wild guess ... if it turns out to be true we may want to look into doing agressive readahead on inode blocks ;))
regards,
Rik -- Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose...
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