On 12/18/06, Dave Jones <[EMAIL PROTECTED]> wrote:
On Mon, Dec 18, 2006 at 08:31:20PM -0800, Eli Collins wrote:> Can anyone tell me why CONFIG_HZ is set to 1000 for native x86 kernels? increased timer precision. > The default 2.6.18 x86 config value is 100; actually the default upstream is 250, but that's neither here nor there. > I thought it was lowered > from 1000 from previous kernels for good reasons and am curious why it > was changed for RHEL 5. it was set to the same as RHEL4 to prevent a regression in accuracy. This was brought up on this list about a month ago. Dave
The main issue that I have seen with the 1000hz in RHEL-4 and RHEL-5 is that it causes vmware clocks to run oddly. Yes I know: Unsupported, talk to VMware :). But since I had to figure out why my vmware clients were getting hours/days ahead , I figured I would share. -- Stephen J Smoogen. -- CSIRT/Linux System Administrator How far that little candle throws his beams! So shines a good deed in a naughty world. = Shakespeare. "The Merchant of Venice" _______________________________________________ rhelv5-beta-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-beta-list
