[FZH] Fedora 15 启动速度降低

[Tommy He]

有意思，准备看看。

貌似你装了 vbox 系列贡献了一些： 533ms + 266ms +23ms + 22ms

2011/8/31 Hexchain Tong <richard0053 at gmail.com>:
> Hi all,
>
> 最近明显感觉到系统启动速度变慢了，表现在启动某个程序时卡住很久才继续。几
> 天前又听说某 3u 在普通硬盘上过了 grub 后可以 3 秒启动，更加不甘心(=
> =|||)，于是上网搜索了一下找到了一些分析命令。
>
> $ systemd-analyze time
> Startup finished in 2594ms (kernel) + 1812ms (initrd) + 33264ms
> (userspace) = 37671ms
>
> $ systemd-analyze blame
>  11872ms udev-settle.service
>  8019ms bootchart.service
>  6769ms systemd-vconsole-setup.service
>  4360ms media.mount
>  4138ms systemd-binfmt.service
>  4120ms udev.service
>  3886ms systemd-remount-api-vfs.service
>  3884ms remount-rootfs.service
>  3445ms systemd-sysctl.service
>  3343ms fedora-readonly.service
>  2968ms cups.service
>  1495ms sendmail.service
>  1307ms fedora-sysinit-hack.service
>   633ms udev-trigger.service
>   587ms fedora-storage-init.service
>   549ms sandbox.service
>   533ms vboxdrv.service
>   469ms hwclock-load.service
>   373ms systemd-readahead-replay.service
>   366ms systemd-readahead-collect.service
>   266ms dkms_autoinstaller.service
>   232ms rpcidmapd.service
>   219ms hddtemp.service
>   216ms nfslock.service
>   191ms NetworkManager.service
>   187ms rsyslog.service
>   174ms rpcgssd.service
>   172ms bluetooth.service
>   171ms ip6tables.service
>   166ms netfs.service
>   160ms sshd.service
>   149ms avahi-daemon.service
>   142ms console-kit-log-system-start.service
>   141ms fedora-sysinit-unhack.service
>   134ms portreserve.service
>   122ms cpuspeed.service
>   118ms auditd.service
>    96ms iptables.service
>    93ms systemd-tmpfiles-setup.service
>    89ms acpid.service
>    76ms mcelog.service
>    74ms gpm.service
>    70ms mdmonitor.service
>    69ms irqbalance.service
>    59ms console-kit-daemon.service
>    44ms rpcbind.service
>    43ms dbus.service
>    42ms pcscd.service
>    26ms rc-local.service
>    24ms fedora-wait-storage.service
>    24ms fedora-autoswap.service
>    23ms vboxballoonctrl-service.service
>    22ms vboxweb-service.service
>    18ms fedora-storage-init-late.service
>    17ms proc-sys-fs-binfmt_misc.mount
>    16ms smolt.service
>    15ms home.mount
>    12ms systemd-user-sessions.service
>     4ms accounts-daemon.service
>     2ms rtkit-daemon.service
>     1ms dev-hugepages.mount
>     1ms sys-kernel-security.mount
>     1ms sys-kernel-debug.mount
>     1ms dev-mqueue.mount
>
> $ systemd-analyze plot > systemd.svg
> 图片见[1]
>
> 由于我对系统了解不深，十分不能理解某些输出结果，所以恳请大牛帮忙分析一
> 下，谢谢！
>
> [1] https://hexchain.org/pub/tmp/systemd.svg
>
> --
> Hexchain Tong
>
>
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>



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