lkml.org 
[lkml]   [1999]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Measured overhead of timer interrupts
Date
From
> Summary: Single 300MHz Pentium II on 440LX chipset.
> Average timer interrupt overhead at 100Hz: 0.14225%
> Average cycles per timer interrupt: 41240.6
> Average time per timer interrupt: 137.47
>
> Extrapolating to 1024Hz, expect 1.4566% time to go servicing the timer
> interrupts.

Your extrapolation is broken. Try running a 1024Hz kernel. Timer work
does not accrue at 10.24 times the rate as the clock increases



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:53    [W:0.137 / U:0.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site