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Vanshidhar Konda asked for the simplest test "to verify that the kernel can submit and hardware can execute batch buffers on all the command streamers in parallel." We have a number of tests in userspace that submit load to each engine and verify that it is present, but strictly we have no selftest to prove that the kernel can _simultaneously_ execute on all known engines. (We have tests to demonstrate that we can submit to HW in parallel, but we don't insist that they execute in parallel.) v2: Improve the igt_spinner support for older gen. Suggested-by: Vanshidhar Konda <vanshidhar.r.konda@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Vanshidhar Konda <vanshidhar.r.konda@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Vanshidhar Konda <vanshidhar.r.konda@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191101101528.10553-1-chris@chris-wilson.co.uk
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.