drm/i915/selftests: Perform some basic cycle counting of MI ops

Browse source

Some basic information that is useful to know, such as how many cycles
is a MI_NOOP.

v2: Keep volatile pages pinned at all times! (Matthew)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Anna Karas <anna.karas@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191111172716.23733-1-chris@chris-wilson.co.uk

...

This commit is contained in:

Chris Wilson 2019-11-11 17:27:16 +00:00

parent 31b61f0ef9

commit 3c7a44bbbf

6 changed files with 426 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

15

drivers/gpu/drm/i915/gem/selftests/i915_gem_object_blt.c

View file

348

drivers/gpu/drm/i915/gt/selftest_engine_cs.c

View file

6

drivers/gpu/drm/i915/i915_pci.c

View file

4

drivers/gpu/drm/i915/i915_selftest.h

View file

13

drivers/gpu/drm/i915/selftests/i915_perf_selftests.h

View file

43

drivers/gpu/drm/i915/selftests/i915_selftest.c

View file