Annotation of /trunk/kernel26-magellan/patches-2.6.16-r12/0018-2.6.16-hz-no_default_250.patch
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Revision 72 -
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Mon Jun 5 09:25:38 2006 UTC (17 years, 11 months ago) by niro
File size: 1304 byte(s)
Mon Jun 5 09:25:38 2006 UTC (17 years, 11 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 | niro | 72 | 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 |