On Sun, 22 Aug 2004 23:15, Alan Cox <alan@xxxxxxxxxx> 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
