X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsystemd-bootchart.xml;h=0068e928a53489f98820fe55225888c8d4a35604;hb=80877656a557231f8187f7bc371fd4cb3b70de5a;hp=3b755d1b2050c8877063ced3122c1958730991d6;hpb=f1c24fea94e19cf2108abbeed1d36ded7102ab98;p=elogind.git
diff --git a/man/systemd-bootchart.xml b/man/systemd-bootchart.xml
index 3b755d1b2..0068e928a 100644
--- a/man/systemd-bootchart.xml
+++ b/man/systemd-bootchart.xml
@@ -26,7 +26,9 @@
along with systemd; If not, see .
-->
-
+
+
systemd-bootchartsystemd
@@ -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.
@@ -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.
+
@@ -173,7 +182,7 @@
-
+ Disable filtering of tasks that
did not contribute significantly to the boot. Processes
that are too short-lived (only seen in one sample) or
@@ -182,10 +191,25 @@
+
+
+
+ Display the full command line with arguments of processes,
+ instead of only the process name.
+
+
+
+
+
+
+ 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.
@@ -294,12 +318,16 @@
See Also
- bootchart.conf5
+ bootchart.conf5Bugs
+ systemd-bootchart does not get the model information for the hard drive
+ unless the root device is specified with root=/dev/sdxY. Using
+ UUIDs or PARTUUIDs will boot fine, but the hard drive model will not be
+ added to the chart.For bugs, please contact the author and current maintainer:Auke Kok auke-jan.h.kok@intel.com