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2b277b5061
Add GT stats to measure the time spent switching between pagefault mode and dma-fence mode. Also add a GT stat to indicate when pagefault suspend is skipped because the system is idle. These metrics will help profile pagefault workloads while 3D and display are enabled. v2: - Use GT stats helper functions (Francois) Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Francois Dugast <francois.dugast@intel.com> Link: https://patch.msgid.link/20251212182847.1683222-8-matthew.brost@intel.com
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 reStructuredText 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.