Re: [PATCH 1/3] Documentation: Add some hardware hints for real-time

[Steven Rostedt]

On Thu, 20 Nov 2025 12:37:06 +0100
Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:

> Some thoughts on hardware that is used for real-time workload. Certainly
> not complete but should cover some of the import topics such as:
> 
> - Main memory, caches and the possiblie control given by the hardware.
> - What could happen by putting critical hardware behind USB or VirtIO.
> - Allowing real-time tasks to consume the CPU entirely without giving
>   the system some time to breath.
> - Networking with what the kernel provides.
> 
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---
>  Documentation/core-api/real-time/hardware.rst | 132 ++++++++++++++++++
>  Documentation/core-api/real-time/index.rst    |   1 +
>  2 files changed, 133 insertions(+)
>  create mode 100644 Documentation/core-api/real-time/hardware.rst

Very nice write up!

Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>

-- Steve