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backend-drm: Count and display KMS page flips
This patch counts the page flips (either in atomic or legacy page flips)
for DRM outputs and prints them using the drm-backend scope.
Similar to the frame callback timer counter this installs a counter that
periodically computes page flips per a pre-defined interval.
This also includes a perfetto counter to display these in perfetto.
Signed-off-by:
Marius Vlad <marius.vlad@collabora.com>
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- libweston/backend-drm/drm-internal.h 11 additions, 0 deletionslibweston/backend-drm/drm-internal.h
- libweston/backend-drm/drm.c 62 additions, 0 deletionslibweston/backend-drm/drm.c
- libweston/backend-drm/kms.c 5 additions, 0 deletionslibweston/backend-drm/kms.c
- libweston/compositor.c 0 additions, 1 deletionlibweston/compositor.c
- libweston/libweston-internal.h 2 additions, 0 deletionslibweston/libweston-internal.h
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