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Added recommended BIOS settings for better real-time performance. 

Signed-off-by: Li, Wilson <wilson.li@intel.com>
This commit is contained in:
Li, Wilson 2019-06-06 23:34:39 +08:00 committed by David Kinder
parent 7c45f3b588
commit 115ba0e390
1 changed files with 41 additions and 0 deletions
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doc/tutorials/rt_linux.rst
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@ -191,3 +191,44 @@ system on Intel KBL NUC with a SATA SSD as ``/dev/sda`` and an NVME SSD as
swupd bundle-add dev-utils
cyclictest -N -p80 -D30 -M > log.txt
cat log.txt
#. To achieve better real-time performance, the following is the recommended
BIOS setting. You may not see all the settings because some of them may be
hidden by different BIOS vendors.
.. table:: Recommended BIOS Settings
:widths: auto
:name: BIOS Settings
+--------------------+---------------------------------------------------+
| Item | Setting |
+====================+===================================================+
| VMX | Enabled |
+--------------------+---------------------------------------------------+
| VT-d | Enabled |
+--------------------+---------------------------------------------------+
| Hyper-Threading | Disabled |
+--------------------+---------------------------------------------------+
| Speed Step | Disabled |
+--------------------+---------------------------------------------------+
| Speed Shift | Disabled |
+--------------------+---------------------------------------------------+
| C-State | Disabled |
+--------------------+---------------------------------------------------+
| Voltage | Disabled |
| Optimization | |
+--------------------+---------------------------------------------------+
| GT RC6 | Disabled |
+--------------------+---------------------------------------------------+
| Gfx Low Power Mode | Disabled |
+--------------------+---------------------------------------------------+
| SA GV | Disabled |
+--------------------+---------------------------------------------------+
| Aggressive LPM | Disabled |
| Support | |
+--------------------+---------------------------------------------------+
| ACPI S3 Support | Disabled |
+--------------------+---------------------------------------------------+
| Native ASPM | Disabled |
+--------------------+---------------------------------------------------+