mirror of
https://github.com/systemd/systemd.git
synced 2025-02-27 01:57:35 +03:00
bb150966c0
"critical-chain" prints a tree of the critical chain of units
$ ./systemd-analyze critical-chain
graphical.target @1.226s
└─multi-user.target @1.226s
└─nfs-lock.service @961ms +265ms
└─rpcbind.service @958ms +1ms
└─network.target @957ms
└─NetworkManager.service @434ms +522ms
└─basic.target @428ms
└─sockets.target @428ms
└─dbus.socket @428ms
└─sysinit.target @427ms
└─systemd-tmpfiles-setup.service @411ms +15ms
└─local-fs.target @410ms
└─boot-efi.automount @410ms
└─boot.mount @397ms +9ms
└─local-fs-pre.target @192ms
└─systemd-udevd.service @187ms +5ms
└─systemd-udevd-control.socket @140ms
└─-.mount
With the "--fuzz=<ms>" parameter one can display more units around
the critical units.
$ ./systemd-analyze --fuzz=10ms critical-chain
└─multi-user.target @1.226s
└─nfs-lock.service @961ms +265ms
├─rpcbind.service @958ms +1ms
│ └─network.target @957ms
│ └─NetworkManager.service @434ms +522ms
│ ├─basic.target @428ms
│ │ ├─sockets.target @428ms
│ │ │ ├─dbus.socket @428ms
│ │ │ │ └─sysinit.target @427ms
│ │ │ │ ├─systemd-tmpfiles-setup.service @411ms +15ms
│ │ │ │ │ └─local-fs.target @410ms
│ │ │ │ │ └─boot-efi.automount @410ms
│ │ │ │ │ └─boot.mount @397ms +9ms
│ │ │ │ │ └─local-fs-pre.target @192ms
│ │ │ │ │ └─systemd-udevd.service @187ms +5ms
│ │ │ │ │ ├─systemd-udevd-control.socket @140ms
│ │ │ │ │ │ └─-.mount
│ │ │ │ │ └─systemd-udevd-kernel.socket @140ms
│ │ │ │ └─swap.target @421ms
│ │ │ │ └─dev-disk-by\x2duuid-....swap @414ms +6ms
│ │ │ │ └─systemd-journald.socket
│ │ │ ├─rpcbind.socket @428ms
│ │ │ └─cups.socket @428ms
│ │ ├─paths.target @428ms
│ │ │ └─cups.path @428ms
│ │ ├─timers.target @427ms
│ │ │ └─systemd-tmpfiles-clean.timer @427ms
│ │ └─sysinit.target @427ms
│ │ └─...
│ └─dbus.socket @428ms
│ └─...
└─network.target @957ms
└─...
77 lines
2.6 KiB
Bash
77 lines
2.6 KiB
Bash
# systemd-analyze(1) completion -*- shell-script -*-
|
|
#
|
|
# This file is part of systemd.
|
|
#
|
|
# Copyright 2010 Ran Benita
|
|
# Copyright 2013 Harald Hoyer
|
|
#
|
|
# systemd is free software; you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published by
|
|
# the Free Software Foundation; either version 2.1 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# systemd is distributed in the hope that it will be useful, but
|
|
# WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
# General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public License
|
|
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
__contains_word () {
|
|
local word=$1; shift
|
|
for w in $*; do [[ $w = $word ]] && return 0; done
|
|
return 1
|
|
}
|
|
|
|
_systemd_analyze() {
|
|
local i verb comps
|
|
local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
|
|
local OPTS='--help --version --system --user --from-pattern --to-pattern --order --require'
|
|
|
|
local -A VERBS=(
|
|
[NO_OPTION]='time blame plot'
|
|
[CRITICAL_CHAIN]='critical-chain'
|
|
[DOT]='dot'
|
|
)
|
|
|
|
_init_completion || return
|
|
|
|
for ((i=0; $i <= $COMP_CWORD; i++)); do
|
|
if __contains_word "${COMP_WORDS[i]}" ${VERBS[*]} &&
|
|
! __contains_word "${COMP_WORDS[i-1]}" ${OPTS[ARG]}; then
|
|
verb=${COMP_WORDS[i]}
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [[ -z $verb && $cur = -* ]]; then
|
|
COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
|
|
return 0
|
|
fi
|
|
|
|
if [[ -z $verb ]]; then
|
|
comps=${VERBS[*]}
|
|
|
|
elif __contains_word "$verb" ${VERBS[NO_OPTION]}; then
|
|
if [[ $cur = -* ]]; then
|
|
comps='--help --version --system --user'
|
|
fi
|
|
|
|
elif __contains_word "$verb" ${VERBS[CRITICAL_CHAIN]}; then
|
|
if [[ $cur = -* ]]; then
|
|
comps='--help --version --system --user --fuzz'
|
|
fi
|
|
|
|
elif __contains_word "$verb" ${VERBS[DOT]}; then
|
|
if [[ $cur = -* ]]; then
|
|
comps='--help --version --system --user --from-pattern --to-pattern --order --require'
|
|
fi
|
|
fi
|
|
|
|
COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
|
|
return 0
|
|
}
|
|
|
|
complete -F _systemd_analyze systemd-analyze
|