drm/i915: Move debug only per-request pid tracking from request to ctx

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Since contexts are not currently shared between userspace processes, we
have an exact correspondence between context creator and guilty batch
submitter. Therefore we can save some per-batch work by inspecting the
context->pid upon error instead. Note that we take the context's
creator's pid rather than the file's pid in order to better track fd
passed over sockets.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-29-git-send-email-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2016-08-15 10:49:08 +01:00

parent bde13ebdab

commit c84455b4ba

6 changed files with 32 additions and 21 deletions

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25

drivers/gpu/drm/i915/i915_debugfs.c

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2

drivers/gpu/drm/i915/i915_drv.h

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4

drivers/gpu/drm/i915/i915_gem_context.c

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6

drivers/gpu/drm/i915/i915_gem_request.c

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3

drivers/gpu/drm/i915/i915_gem_request.h

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13

drivers/gpu/drm/i915/i915_gpu_error.c

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