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The oa object manages the oa buffer and must be allocated when the user
intends to read performance counter snapshots. This can be achieved by
making the oa object part of the stream object which is allocated when a
stream is opened by the user.
Attributes in the oa object that are gen-specific are moved to the perf
object so that they can be initialized on driver load.
The split provides a better separation of the objects used in perf
implementation of i915 driver so that resources are allocated and
initialized only when needed.
v2: Fix checkpatch warnings
v3: Addressed Lionel's review comment
v4: Rebase
v5: Fix rebase/merge issue with ratelimit_state_init
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190806233002.984-1-umesh.nerlige.ramappa@intel.com
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Update the generated files to make the headers self-contained, switch to
the kernel preferred SPDX comment format, and update the copyright
year. Also add the Makefile stanza to run header tests on the files.
Other changes produced by gputop i915-perf-kernelgen.py were manually
stripped out, and left to the folks who actually know something about
the OA stuff.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730113432.22146-3-jani.nikula@intel.com
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Apparently the empty Makefile has caused some confusion. Add the
subdir-cc-flags-y as in 7fcc7ca549d4 ("drm/i915: add header search path
to subdir Makefiles") which should be useful.
The generated headers still aren't self-contained, so can't add that.
References: http://marc.info/?i=80bf2204-558a-6d3f-c493-bf17b891fc8a@infradead.org
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730113432.22146-1-jani.nikula@intel.com
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Follow dim checkpatch recommendation so it doesn't complain on that now
and again on header file modifications.
v2: drop testing leftover (Chris)
Signed-off-by: Janusz Krzysztofik <janusz.krzysztofik@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712112429.740-2-janusz.krzysztofik@linux.intel.com
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OA files look to be auto-generated so we can keep them all in
dedicated subdirectory.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190626123826.39760-1-michal.wajdeczko@intel.com
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Umesh Nerlige Ramappa
Jani Nikula
Janusz Krzysztofik
Michal Wajdeczko