package monado_metrics

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• oneof record

  • Version version = 1

  • SessionFrame session_frame = 2

  • Used used = 3

  • SystemFrame system_frame = 4

  • SystemGpuInfo system_gpu_info = 5

  • SystemPresentInfo system_present_info = 6

Used in: Record

• int64 session_id = 1

  ! Which session this frame belongs to.

• int64 frame_id = 2

  ! ID of frame.

• uint64 predicted_frame_time_ns = 3

  ! How long we thought the frame would take.

• uint64 predicted_wake_up_time_ns = 4

  ! When we predicted the app should wake up.

• uint64 predicted_gpu_done_time_ns = 5

  ! When the client's GPU work should have completed.

• uint64 predicted_display_time_ns = 6

  ! When we predicted this frame to be shown.

• uint64 predicted_display_period_ns = 7

  ! The selected display period.

• uint64 display_time_ns = 8

  ! When the app told us to display this frame, can be different then the predicted display time so we track that separately.

• uint64 when_predicted_ns = 9

  ! When the predict call was made (inside of xrWaitFrame).

• uint64 when_wait_woke_ns = 10

  ! When the waiting thread was woken up.

• uint64 when_begin_ns = 11

  ! When xrBeginFrame was called.

• uint64 when_delivered_ns = 12

  ! When the layer information was delivered, (inside of xrEndFrame).

• uint64 when_gpu_done_ns = 13

  ! When the scheduled GPU work was completed.

• bool discarded = 14

  ! Was this frame discared.

Used in: Record

• int64 frame_id = 1

  ! ID of frame.

• uint64 predicted_display_time_ns = 2

  ! Projected pixels to photon time.

• uint64 predicted_display_period_ns = 3

  ! Current period of displying of frames.

• uint64 desired_present_time_ns = 4

  ! When the compositor should hand pixels to display hardware.

• uint64 wake_up_time_ns = 5

  ! The time that the compositor should wake up.

• uint64 present_slop_ns = 6

! Out of band info about a GPU timing from a system compositor.

Used in: Record

• int64 frame_id = 1

  ! ID of frame.

• uint64 gpu_start_ns = 2

  ! Start of GPU work.

• uint64 gpu_end_ns = 3

  ! End of GPU work.

• uint64 when_ns = 4

  ! When the information was gathered.

! Information that comes from the vulkan present timing.

Used in: Record

• int64 frame_id = 1

  ! ID of frame.

• uint64 expected_comp_time_ns = 2

  ! The total expected time for the compositor to complete a frame.

• uint64 predicted_wake_up_time_ns = 3

  ! The time we predicted the compositor to wake up time.

• uint64 predicted_done_time_ns = 4

  ! Predicted time for completion of the GPU work.

• uint64 predicted_display_time_ns = 5

  ! Predicted display time.

• uint64 when_predict_ns = 6

  ! When was this frame predicted.

• uint64 when_woke_ns = 7

  ! When we last woke up the compositor after its equivalent of wait_frame.

• uint64 when_began_ns = 8

  ! When the compositor started rendering a frame

• uint64 when_submitted_ns = 9

  ! When the compositor finished rendering a frame

• uint64 when_infoed_ns = 10

  ! When new frame timing info was last added.

• uint64 desired_present_time_ns = 11

  ! When we wanted to start presenting.

• uint64 present_slop_ns = 12

  ! The slop used for this frame.

• uint64 present_margin_ns = 13

  ! Margin of GPU to present time.

• uint64 actual_present_time_ns = 14

  ! When the present time actually happened.

• uint64 earliest_present_time_ns = 15

  ! The earliest we could have presented.

Used in: Record

• int64 session_id = 1

  ! Owning session of the frame.

• int64 session_frame_id = 2

  ! Which session frame was used by the compositor.

• int64 system_frame_id = 3

  ! The system frame that the session was used by.

• uint64 when_ns = 4

  ! When the frame was latched.

Used in: Record

• uint32 major = 1

• uint32 minor = 2