lkml.org 
[lkml]   [2005]   [Aug]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3
I just borrowed a power meter to see (or not to see) real effects of
dyntick. The difference between static 1000 HZ and dynamic HZ is much
less than I expected, only a very little about noise. With dyntick
disabled at 1000 HZ my laptop needs 31,3 W. With dyntick enabled I
get 29.8 W, the pmstats-0.2 script shows me that the system is at
35-45 HZ when it is idle.

The power consumption difference between 250 HZ static and dyntick is
below the noise, so maybe hardly worth all the struggle.

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

\
 
 \ /
  Last update: 2005-08-04 09:05    [from the cache]
©2003-2011 Jasper Spaans