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-rw-r--r--man/systemd.exec.xml63
1 files changed, 58 insertions, 5 deletions
diff --git a/man/systemd.exec.xml b/man/systemd.exec.xml
index 89e3369d3c..6bc8bf3e79 100644
--- a/man/systemd.exec.xml
+++ b/man/systemd.exec.xml
@@ -797,11 +797,13 @@
<term><varname>CPUShares=</varname></term>
<listitem><para>Assign the specified
- overall CPU time shares to the processes executed. Takes
- an integer value. This controls the
+ overall CPU time shares to the
+ processes executed. Takes an integer
+ value. This controls the
<literal>cpu.shares</literal> control
- group attribute. For details about
- this control group attribute see <ulink
+ group attribute, which defaults to
+ 1024. For details about this control
+ group attribute see <ulink
url="http://www.kernel.org/doc/Documentation/scheduler/sched-design-CFS.txt">sched-design-CFS.txt</ulink>.</para></listitem>
</varlistentry>
@@ -814,7 +816,7 @@
size. Takes a memory size in bytes. If
the value is suffixed with K, M, G or
T the specified memory size is parsed
- as Kilobytes, Megabytes, Gigabytes
+ as Kilobytes, Megabytes, Gigabytes,
resp. Terabytes (to the base
1024). This controls the
<literal>memory.limit_in_bytes</literal>
@@ -849,6 +851,57 @@
</varlistentry>
<varlistentry>
+ <term><varname>BlockIOWeight=</varname></term>
+
+ <listitem><para>Set the default or
+ per-device overall block IO weight
+ value for the executed
+ processes. Takes either a single
+ weight value (between 10 and 1000) to
+ set the default block IO weight, or a
+ space separated pair of a device node
+ path and a weight value to specify the
+ device specific weight value (Example:
+ "/dev/sda 500"). This controls the
+ <literal>blkio.weight</literal> and
+ <literal>blkio.weight_device</literal>
+ control group attributes, which
+ default to 1000. Use this option
+ multiple times to set weights for
+ multiple devices. For details about
+ these control group attributes see
+ <ulink
+ url="http://www.kernel.org/doc/Documentation/cgroups/blkio-controller.txt">blkio-controller.txt</ulink>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>BlockIOReadBandwidth=</varname></term>
+ <term><varname>BlockIOWriteBandwidth=</varname></term>
+
+ <listitem><para>Set the per-device
+ overall block IO bandwith limit for the
+ executed processes. Takes a space
+ separated pair of a device node path
+ and a bandwith value (in bytes per
+ second) to specify the device specific
+ bandwidth. If the bandwith is suffixed
+ with K, M, G, or T the specified
+ bandwith is parsed as Kilobytes,
+ Megabytes, Gigabytes, resp. Terabytes
+ (Example: "/dev/disk/by-path/pci-0000:00:1f.2-scsi-0:0:0:0 5M"). This
+ controls the
+ <literal>blkio.read_bps_device</literal>
+ and
+ <literal>blkio.write_bps_device</literal>
+ control group attributes. Use this
+ option multiple times to set bandwith
+ limits for multiple devices. For
+ details about these control group
+ attributes see <ulink
+ url="http://www.kernel.org/doc/Documentation/cgroups/blkio-controller.txt">blkio-controller.txt</ulink>.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><varname>ReadWriteDirectories=</varname></term>
<term><varname>ReadOnlyDirectories=</varname></term>
<term><varname>InaccessibleDirectories=</varname></term>