Messages in this thread | | | Subject | Re: [PATCH] drivers/char/hvc_console.c: reduce max idle timeout | From | Michael Ellerman <> | Date | Tue, 02 Nov 2010 11:35:08 +1100 |
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On Wed, 2010-10-27 at 12:54 -0400, Chris Metcalf wrote: > The tile architecture uses this framework for our serial console, > and our users complain that the delay of up to two seconds feels like > the machine has gone non-responsive and is disturbing. By contrast, > a delay of up to half a second feels like just the normal sort of > delay caused by swapping, network lag, etc. and is not noticeable. > The overhead is obviously not much greater.
It's 4 times greater.
We picked 2 seconds because it gave a reasonable trade off between responsiveness and load. I'm not convinced that half a second is a better number.
cheers
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