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Use WARN to print messages with backtrace when evictions are triggered. This can help determine the root cause of evictions and help spot driver bugs triggering evictions unintentionally, or help with performance tuning by avoiding conditions that cause evictions in a specific workload. The messages are controlled by a new module parameter that can be changed at runtime: echo Y > /sys/module/amdgpu/parameters/debug_evictions echo N > /sys/module/amdgpu/parameters/debug_evictions Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Reviewed-by: Philip Yang <Philip.Yang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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 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.