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새 문서: 작성일자: 2015년 10월 16일 작성자: westporch == 부팅 시간 확인 == ''systemd-analyze time'' 명령을 실행하면 부팅 시간을 확인할 수 있습니다. <pr...
작성일자: 2015년 10월 16일
작성자: westporch
== 부팅 시간 확인 ==
''systemd-analyze time'' 명령을 실행하면 부팅 시간을 확인할 수 있습니다.
<pre>
root@localhost:/home/westporch# systemd-analyze time
Startup finished in 2.217s (kernel) + 1.661s (userspace) = 3.878s
root@localhost:/home/westporch#
</pre>
== 서비스별 부팅 시간 확인 ==
''systemd-analyze blame'' 명령을 실행하면 서비스별 부팅 시간을 확인할 수 있습니다.
<pre>
root@localhost:/home/westporch# systemd-analyze blame
870ms networking.service
719ms kbd.service
262ms exim4.service
201ms NetworkManager.service
176ms keyboard-setup.service
171ms ModemManager.service
126ms packagekit.service
123ms console-setup.service
119ms systemd-logind.service
86ms alsa-restore.service
85ms openvpn.service
81ms nfs-common.service
81ms pppd-dns.service
79ms rc-local.service
77ms sysstat.service
77ms speech-dispatcher.service
70ms avahi-daemon.service
59ms systemd-tmpfiles-clean.service
37ms systemd-tmpfiles-setup.service
34ms udisks2.service
33ms rpcbind.service
30ms systemd-journal-flush.service
27ms dev-disk-by\x2duuid-4bfba35d\x2daebb\x2d4134\x2dae3c\x2d467dd2e5ef4b.swap
27ms rsyslog.service
24ms systemd-rfkill@rfkill0.service
22ms rtkit-daemon.service
20ms systemd-udev-trigger.service
19ms upower.service
19ms polkitd.service
19ms kdm.service
18ms user@1000.service
18ms systemd-tmpfiles-setup-dev.service
13ms systemd-setup-dgram-qlen.service
13ms dev-hugepages.mount
12ms systemd-rfkill@rfkill1.service
12ms systemd-remount-fs.service
12ms systemd-user-sessions.service
12ms saned.service
12ms systemd-backlight@leds:samsung::kbd_backlight.service
11ms sys-kernel-debug.mount
10ms systemd-random-seed.service
10ms systemd-sysctl.service
10ms systemd-modules-load.service
9ms systemd-update-utmp.service
7ms dev-mqueue.mount
7ms systemd-backlight@backlight:intel_backlight.service
7ms systemd-update-utmp-runlevel.service
5ms kmod-static-nodes.service
3ms sys-fs-fuse-connections.mount
3ms systemd-udevd.service
1ms systemd-rfkill@rfkill2.service
1ms udev-finish.service
root@localhost:/home/westporch#
</pre>
== 부팅 과정을 이미지로 저장 ==
''systemd_analyze plot > boot.svg'' 명령을 실행하면 부팅 과정을 이미지로 저장할 수 있습니다.
<pre>
root@localhost:/home/westporch# systemd-analyze plot > boot.svg
root@localhost:/home/westporch#
root@localhost:/home/westporch# ls
Bechmark Downloads Git R imgs systemd_txt test 공개 문서 비디오 서식
CentOS Gisa PDF boot.svg make temp upload 다운로드 바탕화면 사진 음악
root@localhost:/home/westporch#
</pre>
작성자: westporch
== 부팅 시간 확인 ==
''systemd-analyze time'' 명령을 실행하면 부팅 시간을 확인할 수 있습니다.
<pre>
root@localhost:/home/westporch# systemd-analyze time
Startup finished in 2.217s (kernel) + 1.661s (userspace) = 3.878s
root@localhost:/home/westporch#
</pre>
== 서비스별 부팅 시간 확인 ==
''systemd-analyze blame'' 명령을 실행하면 서비스별 부팅 시간을 확인할 수 있습니다.
<pre>
root@localhost:/home/westporch# systemd-analyze blame
870ms networking.service
719ms kbd.service
262ms exim4.service
201ms NetworkManager.service
176ms keyboard-setup.service
171ms ModemManager.service
126ms packagekit.service
123ms console-setup.service
119ms systemd-logind.service
86ms alsa-restore.service
85ms openvpn.service
81ms nfs-common.service
81ms pppd-dns.service
79ms rc-local.service
77ms sysstat.service
77ms speech-dispatcher.service
70ms avahi-daemon.service
59ms systemd-tmpfiles-clean.service
37ms systemd-tmpfiles-setup.service
34ms udisks2.service
33ms rpcbind.service
30ms systemd-journal-flush.service
27ms dev-disk-by\x2duuid-4bfba35d\x2daebb\x2d4134\x2dae3c\x2d467dd2e5ef4b.swap
27ms rsyslog.service
24ms systemd-rfkill@rfkill0.service
22ms rtkit-daemon.service
20ms systemd-udev-trigger.service
19ms upower.service
19ms polkitd.service
19ms kdm.service
18ms user@1000.service
18ms systemd-tmpfiles-setup-dev.service
13ms systemd-setup-dgram-qlen.service
13ms dev-hugepages.mount
12ms systemd-rfkill@rfkill1.service
12ms systemd-remount-fs.service
12ms systemd-user-sessions.service
12ms saned.service
12ms systemd-backlight@leds:samsung::kbd_backlight.service
11ms sys-kernel-debug.mount
10ms systemd-random-seed.service
10ms systemd-sysctl.service
10ms systemd-modules-load.service
9ms systemd-update-utmp.service
7ms dev-mqueue.mount
7ms systemd-backlight@backlight:intel_backlight.service
7ms systemd-update-utmp-runlevel.service
5ms kmod-static-nodes.service
3ms sys-fs-fuse-connections.mount
3ms systemd-udevd.service
1ms systemd-rfkill@rfkill2.service
1ms udev-finish.service
root@localhost:/home/westporch#
</pre>
== 부팅 과정을 이미지로 저장 ==
''systemd_analyze plot > boot.svg'' 명령을 실행하면 부팅 과정을 이미지로 저장할 수 있습니다.
<pre>
root@localhost:/home/westporch# systemd-analyze plot > boot.svg
root@localhost:/home/westporch#
root@localhost:/home/westporch# ls
Bechmark Downloads Git R imgs systemd_txt test 공개 문서 비디오 서식
CentOS Gisa PDF boot.svg make temp upload 다운로드 바탕화면 사진 음악
root@localhost:/home/westporch#
</pre>
