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Re: /dev/hw_random

From: Alan Cox <alan redhat com>
To: russell coker com au, Development discussions related to Fedora Core <fedora-devel-list redhat com>
Cc:
Subject: Re: /dev/hw_random
Date: Sun, 22 Aug 2004 09:15:48 -0400

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

Follow-Ups:
- Re: /dev/hw_random
  - From: Russell Coker

References:
- /dev/hw_random
  - From: Russell Coker

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