PLD-doc: kernel-desktop.info - shocking HZ=100 vs HZ=1000 example

[sparky]

Author: sparky                       Date: Sat Nov 18 23:11:18 2006 GMT
Module: PLD-doc                       Tag: HEAD
---- Log message:
- shocking HZ=100 vs HZ=1000 example

---- Files affected:
PLD-doc:
   kernel-desktop.info (1.15 -> 1.16) 

---- Diffs:

================================================================
Index: PLD-doc/kernel-desktop.info
diff -u PLD-doc/kernel-desktop.info:1.15 PLD-doc/kernel-desktop.info:1.16
--- PLD-doc/kernel-desktop.info:1.15	Sat Nov 18 23:18:26 2006
+++ PLD-doc/kernel-desktop.info	Sun Nov 19 00:11:13 2006
@@ -27,6 +27,9 @@
 	simply changes HZ from default 1000 to 100, this should improve
 	on-batery time, but decreases corectness of some programs using
 	timer a lot (even 'time' in shells is not very reliable)
+	example: played some music with mplayer, time:
+	HZ=100:  real 32m24.907s  user  0m4.420s  sys 0m0.780s
+	HZ=1000: real 32m25.936s  user 0m22.736s  sys 0m7.582s
 
 
 More patches:
================================================================

---- CVS-web:
    http://cvs.pld-linux.org/PLD-doc/kernel-desktop.info?r1=1.15&r2=1.16&f=u