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tools: acrnd: update README.rst

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Reviewed-by: Yan Like <like.yan@intel.com>
Reviewed-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>
Signed-off-by: Tao Yuhong <yuhong.tao@intel.com>
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yuhong.tao@intel.com 2018-06-28 19:28:23 +08:00 committed by David Kinder
parent 0631473bfc
commit dc6d7755e4
1 changed files with 27 additions and 1 deletions
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tools/acrn-manager/README.rst
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@ -93,10 +93,36 @@ Use the ``stop`` command to stop one or more running VM:
# acrnctl stop vm-yocto vm1-14:59:30 vm-android
.. _acrnd:
acrnd
#######
Description
***********
The ``acrnd`` is the daemon for acrn-manager.
The ``acrnd`` daemon process provides a way for launching or resuming a UOS
should the UOS shut down, either planned or unexpected. A UOS can ask ``acrnd``
to set up a timer to make sure the UOS is running, even if the SOS is
suspended or stopped.
The ``acrnd`` daemon stores pending UOS work to ``/opt/acrn/conf/timer_list``
and sets an RTC timer to wake up the SOS or bring the SOS back up again.
When ``acrnd`` daemon is restarted, it restores the previously saved timer
list and launches the UOSs at the right time.
Usage
*****
A ``systemd`` service file (``acrnd.service``) is installed by default that will
start the ``acrnd`` daemon when the Service OS comes up.
You can restart/stop acrnd service using ``systemctl``
Build and Install
*****************
Source code for ``acrnctl`` is in the ``tools/acrn-manager`` folder.
Source code for ``acrnctl`` and ``acrnd`` is in the ``tools/acrn-manager`` folder.
Change to that folder and run:
.. code-block:: none