X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd-bootchart.xml;h=ff86be2ad8b6726aec5bcd5b6cd7c72c2ad63572;hp=f3c967006a9202062c08a2e138f5f24ab8389e32;hb=6e1bf7ab998e30b23202192b5b47c119e7a3697d;hpb=78da2cd926937935741ce86bd53c8b546cca6f7a diff --git a/man/systemd-bootchart.xml b/man/systemd-bootchart.xml index f3c967006..ff86be2ad 100644 --- a/man/systemd-bootchart.xml +++ b/man/systemd-bootchart.xml @@ -26,7 +26,9 @@ along with systemd; If not, see . --> - + + systemd-bootchart systemd @@ -62,7 +64,7 @@ as an SVG graph. Normally, systemd-bootchart is invoked by the kernel by passing - on the kernel commandline. systemd-bootchart will then + on the kernel command line. systemd-bootchart will then fork the real init off to resume normal system startup, while monitoring and logging startup information in the background. @@ -76,8 +78,8 @@ in which order, and where possible problems exist in the startup sequence of the system. It is essentially a more detailed version of - the systemd-analyze - plot function. + the systemd-analyze plot + function. Of course, bootchart can also be used at any @@ -92,7 +94,11 @@ Bootchart graphs are by default written - time-stamped in /run/log. + time-stamped in /run/log + and saved to the journal with + MESSAGE_ID=9f26aa562cf440c2b16c773d0479b518. + Journal field BOOTCHART= contains + the bootchart in SVG format. @@ -110,7 +116,7 @@ systemd-bootchart instead of the init process. In turn, systemd-bootchart - will invoke /sbin/init. + will invoke /usr/lib/systemd/systemd. @@ -119,13 +125,15 @@ One can execute systemd-bootchart as normal application from the - commandline. In this mode it is highly + command line. In this mode it is highly recommended to pass the flag in order to not graph the time elapsed since boot and before systemd-bootchart was started, as it may result in extremely - large graphs. + large graphs. The time elapsed since boot + might also include any time that the system + was suspended. @@ -136,10 +144,11 @@ These options can also be set in the /etc/systemd/bootchart.conf file. See - bootchart.conf5. + bootchart.conf5. + @@ -190,10 +199,17 @@ + + + + Display process control group + + + - Specify the output folder for the + Specify the output directory for the graphs. By default, bootchart writes the graphs to /run/log. @@ -202,7 +218,7 @@ Use this init binary. Defaults to - /sbin/init. + /usr/lib/systemd/systemd. @@ -302,7 +318,7 @@ See Also - bootchart.conf5 + bootchart.conf5