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[ Upstream commit 1b18d4295f9d1125bc7a799fc12924cd45fc04b1 ] Since SCMI involves interaction with the entity(software, firmware and/or hardware) providing services or features, it is quite useful to track certain metrics(for pure debugging purposes) like how many messages were sent or received, were there any failures, what kind of failures, ..etc. Add a new optional config option for the above purpose and the initial support for counting such key debug metrics. Signed-off-by: Luke Parkin <luke.parkin@arm.com> Reviewed-by: Cristian Marussi <cristian.marussi@arm.com> Tested-by: Cristian Marussi <cristian.marussi@arm.com> Message-Id: <20240805131013.587016-3-sudeep.holla@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Stable-dep-of: c23c03bf1faa ("firmware: arm_scmi: Fix timeout checks on polling path") Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.