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Diffstat (limited to 'man/systemd-analyze.xml')
| -rw-r--r-- | man/systemd-analyze.xml | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/man/systemd-analyze.xml b/man/systemd-analyze.xml index 9f313d76f1..ae45bfcf31 100644 --- a/man/systemd-analyze.xml +++ b/man/systemd-analyze.xml @@ -34,6 +34,12 @@ <surname>Poettering</surname> <email>lennart@poettering.net</email> </author> + <author> + <contrib>Developer</contrib> + <firstname>Harald</firstname> + <surname>Hoyer</surname> + <email>harald@redhat.com</email> + </author> </authorgroup> </refentryinfo> @@ -55,6 +61,9 @@ <command>systemd-analyze <arg choice="opt" rep="repeat">OPTIONS</arg> blame </command> </cmdsynopsis> <cmdsynopsis> + <command>systemd-analyze <arg choice="opt" rep="repeat">OPTIONS</arg> critical-chain </command> + </cmdsynopsis> + <cmdsynopsis> <command>systemd-analyze <arg choice="opt" rep="repeat">OPTIONS</arg> plot <arg choice="opt">> file.svg</arg></command> </cmdsynopsis> <cmdsynopsis> @@ -88,6 +97,16 @@ be slow simply because it waits for the initialization of another service to complete.</para> + <para><command>systemd-analyze critical-chain</command> + prints a tree of the time critical chain of units. + The time after the unit is active or started is printed + after the "@" character. The time the unit takes to + start is printed after the "+" character. + Note that the output might be misleading as the + initialization of one service might depend on socket + activation and because of the parallel execution + of units.</para> + <para><command>systemd-analyze plot</command> prints an SVG graphic detailing which system services have been started at what time, highlighting the time they @@ -181,6 +200,19 @@ unit name must match one of given values.</para></listitem> </varlistentry> + + <varlistentry> + <term><option>--fuzz=</option><replaceable>timespan</replaceable></term> + + <listitem><para>When used in conjunction + with the <command>critical-chain</command> + command (see above), also show units, which + finished <replaceable>timespan</replaceable> earlier, than the + latest unit in the same level. The unit of + <replaceable>timespan</replaceable> is seconds + unless specified with a different unit, + i.e. "50ms".</para></listitem> + </varlistentry> </variablelist> </refsect1> |