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    Contents of /trunk/kernel26-alx/patches-2.6.17-r7/0015-2.6.17-hz-no_default_250.patch

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    Revision 199 - (show annotations) (download)
    Fri May 18 11:04:36 2007 UTC (16 years, 11 months ago) by niro
    File size: 1440 byte(s) 
    -import
    1 Make 250 HZ a value that is not selected by default and give some better
    2 recommendations in help.
    3
    4 Signed-off-by: Con Kolivas <kernel@kolivas.org>
    5
    6 kernel/Kconfig.hz | 15 +++++++++------
    7 1 files changed, 9 insertions(+), 6 deletions(-)
    8
    9 Index: linux-ck-dev/kernel/Kconfig.hz
    10 ===================================================================
    11 --- linux-ck-dev.orig/kernel/Kconfig.hz 2006-06-18 15:23:58.000000000 +1000
    12 +++ linux-ck-dev/kernel/Kconfig.hz 2006-06-18 15:24:28.000000000 +1000
    13 @@ -21,14 +21,17 @@ choice
    14 help
    15 100 HZ is a typical choice for servers, SMP and NUMA systems
    16 with lots of processors that may show reduced performance if
    17 - too many timer interrupts are occurring.
    18 + too many timer interrupts are occurring. Laptops may also show
    19 + improved battery life.
    20
    21 - config HZ_250
    22 + config HZ_250_NODEFAULT
    23 bool "250 HZ"
    24 help
    25 - 250 HZ is a good compromise choice allowing server performance
    26 - while also showing good interactive responsiveness even
    27 - on SMP and NUMA systems.
    28 + 250 HZ is a lousy compromise choice allowing server interactivity
    29 + while also showing desktop throughput and no extra power saving on
    30 + laptops. Good for when you can't make up your mind.
    31 +
    32 + Recommend 100 or 1000 instead.
    33
    34 config HZ_1000
    35 bool "1000 HZ"
    36 @@ -41,6 +44,6 @@ endchoice
    37 config HZ
    38 int
    39 default 100 if HZ_100
    40 - default 250 if HZ_250
    41 + default 250 if HZ_250_NODEFAULT
    42 default 1000 if HZ_1000
    43