From 115ba0e3908f476b80363ea5f0353038bd9a066e Mon Sep 17 00:00:00 2001 From: "Li, Wilson" Date: Thu, 6 Jun 2019 23:34:39 +0800 Subject: [PATCH] Added recommended BIOS settings for better real-time performance. Signed-off-by: Li, Wilson --- doc/tutorials/rt_linux.rst | 41 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/doc/tutorials/rt_linux.rst b/doc/tutorials/rt_linux.rst index 53739df67..078031b74 100644 --- a/doc/tutorials/rt_linux.rst +++ b/doc/tutorials/rt_linux.rst @@ -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 | + +--------------------+---------------------------------------------------+ +