removing plymouth
Sudhir Khanger
sudhir at sudhirkhanger.com
Fri Jul 11 08:39:21 UTC 2014
On Fri, Jul 11, 2014 at 1:51 PM, Ahmad Samir <ahmadsamir3891 at gmail.com> wrote:
> On 11/07/14 08:27, Balint Szigeti wrote:
>>
>> On Fri, 2014-07-11 at 13:41 +0800, Ed Greshko wrote:
>>
>>> On 07/11/14 13:11, Balint Szigeti wrote:
>>>>
>>>> Can somebody tell me what would happen if I remove Plymouth packages? I
>>>> know it handles the boot screen and the user interaction during boot.
>>>> Does it mean, if I remove this package I can't examine what happened
>>>> during the boot or I can not boot?
>>>
>>>
>>> You'll be able to boot just fine. You'll just see all the "OK"s
>>> scrolling by as the various components are started.
>>>
>>> Not sure what you're thinking the gain will be to remove it.
>>>
>>> --
>>> If you can't laugh at yourself, others will gladly oblige.
>>
>>
>> $ systemd-analyze blame
>> 10.661s systemd-cryptsetup at luks\x2d9ea31b69\x2d8769\x2d4bf1
>> \x2d897d\x2d67ecf8d4b0be.service
>> 9.862s plymouth-quit-wait.service
>> 9.743s accounts-daemon.service
>> 8.427s firewalld.service
>> improving the boot time :)
>>
>>
>>
>
> As has been said removing the plymouth packages shouldn't prevent the system
> from booting (you probably will need to rebuild the initramfs and remove
> "rhgb quiet" from the kernel cmd line).
>
> Note that the times in the output don't necessarily mean that
> plymouth-quit-wait.service is the reason the boot is slow, from the man
> page:
>
> <<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> "systemd-analyze blame" prints a list of all running units, ordered by the
> time they took to initialize. This information may be used to optimize
> boot-up times. Note that the output might be misleading as the
> initialization of one service might slow simply because it waits for the
> initialization of another service to complete.
> <<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>
> --
> Ahmad Samir
systemd-analyze
Startup finished in 1.583s (kernel) + 23.163s (initrd) + 5min 223ms
(userspace) = 5min 24.969s
systemd-analyze blame
4min 44.300s bumblebee-nvidia.service
1min 23.109s plymouth-quit-wait.service
1min 19.944s ModemManager.service
1min 19.639s NetworkManager.service
1min 15.397s chronyd.service
1min 14.720s thinkfan.service
1min 14.146s akmods.service
1min 13.997s akmods-shutdown.service
44.434s rsyslog.service
29.037s accounts-daemon.service
27.259s dnf-makecache.service
18.275s
systemd-cryptsetup at luks\x2d62605ed6\x2d6797\x2d48a2\x2d8e3c\x2d0a903b9154fd.service
18.269s
systemd-cryptsetup at luks\x2dbbff8fec\x2dd580\x2d48a1\x2d93cb\x2d1daa7cb98aed.service
9.388s systemd-suspend.service
6.910s mcelog.service
6.549s libvirtd.service
6.408s vboxdrv.service
4.642s jexec.service
4.190s proc-sys-fs-binfmt_misc.mount
3.577s polkit.service
3.112s systemd-udev-settle.service
3.047s proc-fs-nfsd.mount
2.972s bluetooth.service
2.911s rtkit-daemon.service
2.851s avahi-daemon.service
2.606s var-lib-nfs-rpc_pipefs.mount
2.180s systemd-logind.service
2.126s lvm2-monitor.service
1.905s fedora-loadmodules.service
1.391s systemd-tmpfiles-clean.service
1.328s systemd-tmpfiles-setup.service
1.324s nfs-lock.service
1.306s fedora-readonly.service
1.188s plymouth-start.service
1.176s tlp.service
1.143s systemd-tmpfiles-setup-dev.service
1.017s fedora-import-state.service
992ms wpa_supplicant.service
937ms systemd-backlight at backlight:acpi_video0.service
907ms dev-hugepages.mount
898ms plymouth-read-write.service
851ms livesys.service
847ms auditd.service
For anyone who thinks they have slow boot.
--
Regards,
Sudhir Khanger.
sudhirkhanger.com
https://github.com/donniezazen
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