Re: 2.6 vs 2.4, ssh terminal slowdown

[Benjamin LaHaise]

On Wed, Feb 08, 2006 at 01:50:10PM +1100, Grant Coady wrote:
> Vague 'cos I do not know where the problem is.  One might say slowdown 
> is like a near a 1ms delay per line output, but slowdown does not 
> correlate to kernel tick frequency.  :(

Two things come to mind: can you try doing a vmstat 1 while running the 
test and compare 2.4 vs 2.6?  Also, does it make a difference if you switch 
from the e100 driver to eepro100?

> I'll take a look at oprofile, report back if I can make sense of it ;)

If the CPU is pegged that will guide fixing things quite nicely, but the 
fact that it's 1ms per line sounds like something more sinister.

		-ben
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