Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt

Lee Revell
2005-07-14T02:08:35Z

On Wed, 2005-07-13 at 18:13 -0700, dean gaudet wrote:
> http://www.microsoft.com/whdc/system/CEC/mm-timer.mspx

Did anyone else find this strange:

"The RTC is used in periodic mode to provide the system profiling
interrupt on uni-processor systems and the clock interrupt on
multi-processor systems."

We just take NR_CPUS * HZ timer interrupts per second, what's the
advantage of using the RTC?

Lee