Re: [PATCH 0/4] tests/xe: Add xe_page_reclaim test suite

["Dixit, Ashutosh" <ashutosh.dixit@intel.com>]

On Mon, 06 Apr 2026 11:42:27 -0700, Brian Nguyen wrote:
>
> Page Reclamation is a Xe3p feature that optimizes TLB invalidations
> by targeting only the specific physical pages being unmapped, rather than
> issuing a full PPC flush. With Page Reclamation, the driver maintains a
> Page Reclaim List (PRL), on the backing pages of a VMA range, which is
> passed into the hardware, limiting the flush to only the affected pages.
>
> PRL supports up to 512 entries and beyond that results in a fallback to
> full TLB invalidation, and invalidating the PRL. The page reclamation test
> cases validate different combinations of the possible VMA ranges.
>
> The primary source of validation of these cases is derived from the
> gt_stats in debugfs to confirm the proper PRL generation.
>
> Brian Nguyen (4):
>   tests/xe: Add page reclaim test
>   tests/xe: Add random page reclaim subtest
>   tests/xe: Add transient display PRL skip
>   tests/xe: Add large VMA range tests for better coverage

I have fixed it up this time, but in the future please title the commits
with a prefix such as 'tests/intel/xe_page_reclaim: ' or
'tests/xe_page_reclaim: ', as done for the other commits. The series is
merged now. Thanks.


>
>  tests/intel/xe_page_reclaim.c | 826 ++++++++++++++++++++++++++++++++++
>  tests/meson.build             |   1 +
>  2 files changed, 827 insertions(+)
>  create mode 100644 tests/intel/xe_page_reclaim.c
>
> --
> 2.43.0
>