Magellan Linux

Contents of /trunk/kernel26-magellan/patches-2.6.16-r12/0018-2.6.16-hz-no_default_250.patch

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Revision 72 - (show annotations) (download)
Mon Jun 5 09:25:38 2006 UTC (18 years, 5 months ago) by niro
File size: 1304 byte(s)
ver bump to 2.6.16-r12:
- updated to linux-2.6.16.19
- updated to ck11

1 kernel/Kconfig.hz | 15 +++++++++------
2 1 files changed, 9 insertions(+), 6 deletions(-)
3
4 Index: linux-2.6.16-ck1/kernel/Kconfig.hz
5 ===================================================================
6 --- linux-2.6.16-ck1.orig/kernel/Kconfig.hz 2006-03-20 20:46:54.000000000 +1100
7 +++ linux-2.6.16-ck1/kernel/Kconfig.hz 2006-03-20 20:46:54.000000000 +1100
8 @@ -21,14 +21,17 @@ choice
9 help
10 100 HZ is a typical choice for servers, SMP and NUMA systems
11 with lots of processors that may show reduced performance if
12 - too many timer interrupts are occurring.
13 + too many timer interrupts are occurring. Laptops may also show
14 + improved battery life.
15
16 - config HZ_250
17 + config HZ_250_NODEFAULT
18 bool "250 HZ"
19 help
20 - 250 HZ is a good compromise choice allowing server performance
21 - while also showing good interactive responsiveness even
22 - on SMP and NUMA systems.
23 + 250 HZ is a lousy compromise choice allowing server interactivity
24 + while also showing desktop throughput and no extra power saving on
25 + laptops. Good for when you can't make up your mind.
26 +
27 + Recommend 100 or 1000 instead.
28
29 config HZ_1000
30 bool "1000 HZ"
31 @@ -41,6 +44,6 @@ endchoice
32 config HZ
33 int
34 default 100 if HZ_100
35 - default 250 if HZ_250
36 + default 250 if HZ_250_NODEFAULT
37 default 1000 if HZ_1000
38