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Thread: Fedora 18 Systemd Boot Performance Is Mixed

  1. #11
    Join Date
    Jun 2008
    Posts
    164

    Default systemd-analyze

    Hi everybody, hi Michael.

    I just wanted to let you know that systemd has a really easy and nice tool to analyze what is slow. Sometimes the slow task might even be non-blocking, so that user perceived boot time is not as slow as stats declare.

    To have a better detail of boot times and slow services you can use:
    Code:
    systemd-analyze time
    and:
    Code:
    systemd-analyze blame
    You can even get a plot of boot with:
    Code:
    systemd-analyze plot

  2. #12
    Join Date
    Jun 2008
    Posts
    164

    Default

    Quote Originally Posted by panda84 View Post
    Hi everybody, hi Michael.

    I just wanted to let you know that systemd has a really easy and nice tool to analyze what is slow. Sometimes the slow task might even be non-blocking, so that user perceived boot time is not as slow as stats declare.

    To have a better detail of boot times and slow services you can use:
    Code:
    systemd-analyze time
    and:
    Code:
    systemd-analyze blame
    You can even get a plot of boot with:
    Code:
    systemd-analyze plot
    BTW, a good guide to using the tool can be found here:
    http://bsriram.wordpress.com/2012/10...oting-process/

  3. #13

    Default

    for me fedora 18 boots quickly but the GDM loads in about 30 seconds and once i log in the desktop takes another 30 seconds to load...its hardly usable this way, especially cause i installed it on an ssd

  4. #14

    Default

    Quote Originally Posted by AnorexiasGrizzli View Post
    for me fedora 18 boots quickly but the GDM loads in about 30 seconds and once i log in the desktop takes another 30 seconds to load...its hardly usable this way, especially cause i installed it on an ssd
    I've seen several people report this and my laptop seems to be hitting it: I believe it's actually gnome-shell hitting some kind of timeout during startup. If you just restart gnome-shell with alt-f2 'r', does it also take a long time? I'm planning to work on debugging this with the desktop devs soon. This could well be the bug that hit some of the systems in this benchmark.

  5. #15

    Default

    Quote Originally Posted by AdamW View Post
    I've seen several people report this and my laptop seems to be hitting it: I believe it's actually gnome-shell hitting some kind of timeout during startup. If you just restart gnome-shell with alt-f2 'r', does it also take a long time? I'm planning to work on debugging this with the desktop devs soon. This could well be the bug that hit some of the systems in this benchmark.
    unfortunately i cant test right now, my hd6870 broke and im lazy to install legacy drivers for my current hd4670, i will receive my hd7870 in a week then i can report back with more info, altho i doubt its gnome-shell, ive installed lightdm and mate-desktop because i hate gnome3, and completely removed every gnome3 related package and altho my dm delay is somewhat solved, mate-desktop still takes ages to load

  6. #16

    Default

    Quote Originally Posted by AnorexiasGrizzli View Post
    unfortunately i cant test right now, my hd6870 broke and im lazy to install legacy drivers for my current hd4670, i will receive my hd7870 in a week then i can report back with more info, altho i doubt its gnome-shell, ive installed lightdm and mate-desktop because i hate gnome3, and completely removed every gnome3 related package and altho my dm delay is somewhat solved, mate-desktop still takes ages to load
    So I found time to look at this again yesterday, and found that for me, the problem seems to be in nautilus, and appears to happen only when the network is down:

    https://bugzilla.gnome.org/show_bug.cgi?id=692762

    Is your network down when booting the system? If so it could be the same thing; nautilus may be coming up in MATE.

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