Russell Coker russell at coker.com.au
Sun Aug 22 13:40:07 UTC 2004

On Sun, 22 Aug 2004 23:15, Alan Cox <alan at redhat.com> wrote:
> On Sun, Aug 22, 2004 at 09:52:48PM +1000, Russell Coker wrote:
> > "cat /dev/hw_random > /dev/null") is listed in "top" output as using 100%
> > CPU time though an strace of the process shows it to be blocked on a read
> > of /dev/hw_random.
> The hw_random driver is both slow and polled I/O

How slow is it?  I've tried to read 4 bytes from it with dd and it's taken two 
minutes with no sign of completing...

http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
http://www.coker.com.au/bonnie++/  Bonnie++ hard drive benchmark
http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
http://www.coker.com.au/~russell/  My home page

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