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syntax = "proto3";
package monado_metrics;
message Version
{
uint32 major = 1;
uint32 minor = 2;
}
message SessionFrame
{
//! Which session this frame belongs to.
int64 session_id = 1;
//! ID of frame.
int64 frame_id = 2;
//! How long we thought the frame would take.
uint64 predicted_frame_time_ns = 3;
//! When we predicted the app should wake up.
uint64 predicted_wake_up_time_ns = 4;
//! When the client's GPU work should have completed.
uint64 predicted_gpu_done_time_ns = 5;
//! When we predicted this frame to be shown.
uint64 predicted_display_time_ns = 6;
//! The selected display period.
uint64 predicted_display_period_ns = 7;
/*!
* When the app told us to display this frame, can be different
* then the predicted display time so we track that separately.
*/
uint64 display_time_ns = 8;
//! When the predict call was made (inside of xrWaitFrame).
uint64 when_predicted_ns = 9;
//! When the waiting thread was woken up.
uint64 when_wait_woke_ns = 10;
//! When xrBeginFrame was called.
uint64 when_begin_ns = 11;
//! When the layer information was delivered, (inside of xrEndFrame).
uint64 when_delivered_ns = 12;
//! When the scheduled GPU work was completed.
uint64 when_gpu_done_ns = 13;
//! Was this frame discared.
bool discarded = 14;
}
message Used
{
//! Owning session of the frame.
int64 session_id = 1;
//! Which session frame was used by the compositor.
int64 session_frame_id = 2;
//! The system frame that the session was used by.
int64 system_frame_id = 3;
//! When the frame was latched.
uint64 when_ns = 4;
}
message SystemFrame
{
//! ID of frame.
int64 frame_id = 1;
//! Projected pixels to photon time.
uint64 predicted_display_time_ns = 2;
//! Current period of displying of frames.
uint64 predicted_display_period_ns = 3;
//! When the compositor should hand pixels to display hardware.
uint64 desired_present_time_ns = 4;
//! The time that the compositor should wake up.
uint64 wake_up_time_ns = 5;
uint64 present_slop_ns = 6;
}
/*!
* Out of band info about a GPU timing from a system compositor.
*/
message SystemGpuInfo
{
//! ID of frame.
int64 frame_id = 1;
//! Start of GPU work.
uint64 gpu_start_ns = 2;
//! End of GPU work.
uint64 gpu_end_ns = 3;
//! When the information was gathered.
uint64 when_ns = 4;
}
/*!
* Information that comes from the vulkan present timing.
*/
message SystemPresentInfo
{
//! ID of frame.
int64 frame_id = 1;
//! The total expected time for the compositor to complete a frame.
uint64 expected_comp_time_ns = 2;
//! The time we predicted the compositor to wake up time.
uint64 predicted_wake_up_time_ns = 3;
//! Predicted time for completion of the GPU work.
uint64 predicted_done_time_ns = 4;
//! Predicted display time.
uint64 predicted_display_time_ns = 5;
//! When was this frame predicted.
uint64 when_predict_ns = 6;
//! When we last woke up the compositor after its equivalent of wait_frame.
uint64 when_woke_ns = 7;
//! When the compositor started rendering a frame
uint64 when_began_ns = 8;
//! When the compositor finished rendering a frame
uint64 when_submitted_ns = 9;
//! When new frame timing info was last added.
uint64 when_infoed_ns = 10;
//! When we wanted to start presenting.
uint64 desired_present_time_ns = 11;
//! The slop used for this frame.
uint64 present_slop_ns = 12;
//! Margin of GPU to present time.
uint64 present_margin_ns = 13;
//! When the present time actually happened.
uint64 actual_present_time_ns = 14;
//! The earliest we could have presented.
uint64 earliest_present_time_ns = 15;
}
message Record
{
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;
};
}
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