Re: efficient copy_to_user and copy_from_user routines in Linux Kernel

Chris Friesen (cfriesen@nortelnetworks.com)
Tue, 25 Jun 2002 17:46:33 -0400

Andrew Morton wrote:

> I wrote a little app to test this - it times a couple of copy algorithms
> at all possible alignments. It may be useful for someone... http://www.zip.com.au/~akpm/linux/cptimer.tar.gz
> I think it covers everything - uncached/cache source/dest,
> all possible transfer alignemnts.

I have a problem.

[cfriesen@pcard0ks cptimer]$ ./report.sh
vendor_id : GenuineIntel
model name : Pentium III (Katmai)
stepping : 3
cpu MHz : 548.633
cache size : 512 KB

CP_OPTS= ./all-alignments.sh
expr: syntax error
expr: syntax error
expr: syntax error
expr: syntax error
expr: syntax error
expr: non-numeric argument
expr: syntax error
expr: non-numeric argument
expr: syntax error
expr: syntax error

Any ideas?

Chris

-- 
Chris Friesen                    | MailStop: 043/33/F10  
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
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