Re: 2.6.15-rc5-rt2 slowness

Gunter Ohrner
2005-12-17T00:24:40Z

john stultz wrote:
> Do check that the slowness you're seeing isn't related to the
> CONFIG_PARANIOD_GENERIC_TIME option being enabled. It is expected that
> the extra checks made by that config option would slow things down a
> bit.

The first kernel I built which showed this behaviour had no debugging
options enabled.

It happens if the system is mostly idle, in this state "top" will show a
kernel usage of 20%-50%, and as soon as something cpu intensive is started,
the whole system becomes extremely unresponsive.

Greetings,

Gunter