We're seeing the same thing on our DM355-based system with the 2.6.10 kernel. Steve, can you point us to the patch you mentioned below? ________________________________________ From: [email protected] [[email protected]] On Behalf Of Steve Chen [[email protected]] Sent: Friday, October 16, 2009 10:55 AM To: Roberts, Randy Cc: [email protected] Subject: Re: jiffie resolution and usleep accuracy
On Fri, 2009-10-16 at 10:15 -0700, Roberts, Randy wrote: > Running 2.6.10 on a DM6467 I see usleep having a minimum resolution of > 10ms.. > > For DM6467, and other ARM Davinci linux implementations, 2.6.10 based > specifically, how does one get the jiffies to 1ms, instead of what > appears to be 10ms? > > I believe I have HIGHRES timers enabled... > > Anything else one needs to do to get usleep resolution 1ms instead of > 10ms? > > Scheduler config? > What is the patch level? DM6467 HRT was not working correct. There was a patch that fixed the problem. Regards, Steve _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
