[PATCH/RFC] readahead applet
Paul Fox
pgf at brightstareng.com
Mon Aug 21 17:00:29 UTC 2006
>
> With our new "readahead" command, everything is done in one system call.
> So, almost everything is done in kernel mode, possibly in an optimized
> way between the filesystem and page cache. And of course, no buffer copy
> from kernel-space to user-space is done!
>
> To prove this I ran "time readahead" and "time cat" on 2 identical files.
what's the result if you compare with "time dd bs=<some large number>" ?
paul
=---------------------
paul fox, pgf at brightstareng.com
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