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Thread: PREVIEW: Hotplug time halved! Or better!

  1. #1
    Join Date
    Oct 2004
    Location
    Cupertino, CA
    Beans
    5,092
    Distro
    Ubuntu 10.04 Lucid Lynx

    PREVIEW: Hotplug time halved! Or better!

    http://sourceforge.net/forum/forum.php?forum_id=430876

    I backported Hoary's insanely fast Hotplug and grepmap.

    --A quick comparison on time to restart Hotplug--
    Before Backport:

    real: 11.6s
    user: 6.64s
    sys: 0.51s

    After backport:
    real: 3.77s
    user: 1.22s
    sys: 0.51s
    The numbers speak for themselves!

    As stated in the article, you have to update hotplug and install grepmap to get the benefits!
    Quote Originally Posted by tuxradar
    Linux's audio architecture is more like the layers of the Earth's crust than the network model, with lower levels occasionally erupting on to the surface, causing confusion and distress, and upper layers moving to displace the underlying technology that was originally hidden

  2. #2
    Join Date
    Dec 2004
    Location
    Nottingham, UK
    Beans
    16
    Distro
    Ubuntu Development Release

    Re: PREVIEW: Hotplug time halved! Or better!

    Quote Originally Posted by jdong
    http://sourceforge.net/forum/forum.php?forum_id=430876

    I backported Hoary's insanely fast Hotplug and grepmap.



    The numbers speak for themselves!

    As stated in the article, you have to update hotplug and install grepmap to get the benefits!
    Whoah! I'm trying this out! My system tends to go slow at the hotplugging stage since I installed the Speedtouch stuff

  3. #3
    Join Date
    Dec 2004
    Location
    Nottingham, UK
    Beans
    16
    Distro
    Ubuntu Development Release

    Re: PREVIEW: Hotplug time halved! Or better!

    Ok I've just upgraded hotplug and installed grepmap as you said. Now hotplug is RAPID. However one slight problem. Hotplug is so fast my ADSL modem doesn't have a chance to initialise in time before ubuntu tries to access the ntp server. Any was of removing the ntp update from the startup script?

    Great work again jdong!

  4. #4
    Join Date
    Oct 2004
    Location
    Cupertino, CA
    Beans
    5,092
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: PREVIEW: Hotplug time halved! Or better!

    rm /etc/rcS.d/S51ntpdate

    Better, do a similar symlink to rc2.d:
    /etc/init.d/ntpdate -> /etc/rc2.d/S99ntpdate

    This way, Ntpdate runs after GDM starts, so you can still get your time updated!
    Quote Originally Posted by tuxradar
    Linux's audio architecture is more like the layers of the Earth's crust than the network model, with lower levels occasionally erupting on to the surface, causing confusion and distress, and upper layers moving to displace the underlying technology that was originally hidden

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