Magellan Linux

  • Back to homepage
    • /[pkg-src]/trunk/kernel26-magellan/patches-2.6.21-r4/0021-2.6.21-hz-no_default_250.patch

    Contents of /trunk/kernel26-magellan/patches-2.6.21-r4/0021-2.6.21-hz-no_default_250.patch

    Parent Directory Parent Directory | Revision Log Revision Log

    Revision 222 - (show annotations) (download)
    Tue Jun 12 08:03:28 2007 UTC (16 years, 10 months ago) by niro
    File size: 1729 byte(s) 
    files for 2.6.21-magellan-r4
    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 | 16 ++++++++--------
    7 1 file changed, 8 insertions(+), 8 deletions(-)
    8
    9 Index: linux-2.6.21-ck2/kernel/Kconfig.hz
    10 ===================================================================
    11 --- linux-2.6.21-ck2.orig/kernel/Kconfig.hz 2007-05-14 19:49:57.000000000 +1000
    12 +++ linux-2.6.21-ck2/kernel/Kconfig.hz 2007-05-14 19:49:57.000000000 +1000
    13 @@ -13,8 +13,7 @@ choice
    14 contention and cacheline bounces as a result of timer interrupts.
    15 Note that the timer interrupt occurs on each processor in an SMP
    16 environment leading to NR_CPUS * HZ number of timer interrupts
    17 - per second.
    18 -
    19 + per second.Laptops may also show improved battery life.
    20
    21 config HZ_100
    22 bool "100 HZ"
    23 @@ -23,13 +22,14 @@ choice
    24 with lots of processors that may show reduced performance if
    25 too many timer interrupts are occurring.
    26
    27 - config HZ_250
    28 + config HZ_250_NODEFAULT
    29 bool "250 HZ"
    30 help
    31 - 250 Hz is a good compromise choice allowing server performance
    32 - while also showing good interactive responsiveness even
    33 - on SMP and NUMA systems. If you are going to be using NTSC video
    34 - or multimedia, selected 300Hz instead.
    35 + 250 HZ is a lousy compromise choice allowing server interactivity
    36 + while also showing desktop throughput and no extra power saving on
    37 + laptops. Good for when you can't make up your mind.
    38 +
    39 + Recommend 100 or 1000 instead.
    40
    41 config HZ_300
    42 bool "300 HZ"
    43 @@ -50,7 +50,7 @@ endchoice
    44 config HZ
    45 int
    46 default 100 if HZ_100
    47 - default 250 if HZ_250
    48 + default 250 if HZ_250_NODEFAULT
    49 default 300 if HZ_300
    50 default 1000 if HZ_1000
    51