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diff --git a/man/systemd-cgtop.xml b/man/systemd-cgtop.xml
index 14d47353c..0e9e5e611 100644
--- a/man/systemd-cgtop.xml
+++ b/man/systemd-cgtop.xml
@@ -49,7 +49,8 @@
- systemd-cgtop OPTIONS
+ systemd-cgtop
+ OPTIONS
@@ -58,10 +59,14 @@
systemd-cgtop shows the top
control groups of the local Linux control group
- hierarchy, ordered by their CPU, memory and disk I/O load. The
+ hierarchy, ordered by their CPU, memory, or disk I/O load. The
display is refreshed in regular intervals (by default
every 1s), similar in style to
- top1.
+ top1.
+ If systemd-cgtop is not connected
+ to a tty, only one iteration is performed and no
+ columns headers are printed. This mode is suitable for
+ scripting.
Resource usage is only accounted for control
groups in the relevant hierarchy, i.e. CPU usage is
@@ -74,11 +79,11 @@
group in the cpuacct hierarchy, but
not in memory nor
blkio. If resource monitoring for
- these resources is required it is recommended to add
+ these resources is required, it is recommended to add
blkio and memory
to the DefaultControllers= setting
in /etc/systemd/system.conf (see
- systemd.conf5
+ systemd-system.conf5
for details). Alternatively, it is possible to enable
resource accounting individually for services, by
making use of the ControlGroup=
@@ -109,6 +114,13 @@
text and exits.
+
+
+
+ Prints a version string and
+ exits.
+
+
@@ -142,6 +154,29 @@
Order by disk I/O load.
+
+
+
+
+ Run in "batch" mode:
+ do not accept input and run until the
+ iteration limit set with
+ is
+ exhausted or until killed. This mode
+ could be useful for sending output
+ from systemd-cgtop
+ to other programs or to a
+ file.
+
+
+
+
+
+
+ Perform only this many
+ iterations.
+
+
@@ -162,8 +197,8 @@
tree traversal depth. Specifies how
deep systemd-cgtop
shall traverse the control group
- hierarchies. If 0 is specified only
- the root group is monitored, for 1
+ hierarchies. If 0 is specified, only
+ the root group is monitored. For 1,
only the first level of control groups
is monitored, and so on. Defaults to
3.
@@ -208,19 +243,26 @@
mi
- Change ordering of control groups
+ Sort the control groups
by path, number of tasks, CPU load,
- memory usage resp. IO
- load.
+ memory usage, or IO
+ load, respectively.
+
+
+
+ %
+
+ Toggle between showing CPU time as
+ time or percentage.+-
- Increase,
- resp. decrease refresh
- delay.
+ Increase
+ or decrease refresh
+ delay, respectively.