Ankitprasad Sharma 48c945322b igt/gem_pread: Support to verify pread/pwrite for non-shmem backed obj
This patch adds support to verify pread/pwrite for non-shmem backed
objects. It also shows the pread/pwrite speed.
It also tests speeds for pread with and without user side page faults

v2: Fixed Rebase conflicts (Ankit)

v3: Precalculating values to avoid redundant function calls (Dave)
Replaced igt_subtest by igt_subtest_f, added asserts for mmap, corrected
indentation (Tvrtko)

v4: Updated data types to avoid redundant type conversions (Tvrtko)
Corrected pagefault-pread time calculation (Ankit)

Signed-off-by: Ankitprasad Sharma <ankitprasad.r.sharma@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-12-03 10:40:40 +00:00
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