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[client] metrics: expose cadence pipeline stages

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This commit is contained in:
Geoffrey McRae
2026-08-06 17:14:42 +10:00
parent 0b744d2286
commit bdfb1c3ce0
3 changed files with 41 additions and 6 deletions
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29
client/src/main.c
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@@ -221,11 +221,14 @@ struct FrameTimingRecord
unsigned readyMask;
bool producerValid;
bool phaseValid;
bool transportValid;
uint64_t captureTime;
uint64_t postProcessTime;
uint64_t copyTime;
uint64_t readyTime;
uint64_t holdTime;
uint64_t readyLeadTime;
uint64_t importTime;
uint64_t importWaitTime;
uint64_t dispatchTime;
@@ -385,6 +388,8 @@ static void frameTimingFinishFrame(LG_RendererFrameToken token,
record->postProcessTime = timing->postProcessTime;
record->copyTime = timing->copyTime;
record->readyTime = timing->readyTime;
record->holdTime = timing->holdTime;
record->readyLeadTime = timing->readyLeadTime;
if (record->timestamp < timestamp)
record->timestamp = timestamp;
record->readyMask |= FRAME_TIMING_FRAME_READY;
@@ -422,12 +427,14 @@ static void frameTimingFinishRender(const LG_RendererFrameTiming * timing,
record->swapTime = timing->swapTime;
record->readyMask |= FRAME_TIMING_RENDER_READY;
record->transportValid = record->phaseValid &&
timing->frameToken == cadenceToken;
feedbackFrameSerial = record->frameSerial;
feedbackGeneration = record->scheduleGeneration;
feedbackEpoch = record->scheduleEpoch;
feedbackDeadline = record->scheduleDeadlineSerial;
feedbackValid = record->phaseValid &&
timing->frameToken == cadenceToken;
feedbackValid = record->transportValid;
feedbackQueueStart = record->queueStart;
if (unlikely(
@@ -500,10 +507,19 @@ static void frameTimingPublishReady(void)
const uint64_t queueTime =
record->prepareStart > record->queueStart ?
record->prepareStart - record->queueStart : 0;
const uint32_t validMask =
const uint64_t transportAccounted =
record->importTime + record->dispatchTime + queueTime;
const uint64_t transportTime =
record->readyLeadTime > transportAccounted ?
record->readyLeadTime - transportAccounted : 0;
uint32_t validMask =
OVERLAY_FRAME_TIMING_VALID_ALL &
(record->producerValid ? UINT32_MAX :
~OVERLAY_FRAME_TIMING_VALID_PRODUCER);
~OVERLAY_FRAME_TIMING_VALID_PRESENT;
if (!record->producerValid)
validMask &= ~OVERLAY_FRAME_TIMING_VALID_PRODUCER;
if (!record->producerValid || !record->transportValid)
validMask &= ~OVERLAY_FRAME_TIMING_VALID_TRANSPORT;
const OverlayFrameTiming timing = {
.timestamp = record->timestamp,
.validMask = validMask,
@@ -511,6 +527,8 @@ static void frameTimingPublishReady(void)
.postProcess = record->postProcessTime * 1e-6f,
.copy = record->copyTime * 1e-6f,
.ready = record->readyTime * 1e-6f,
.hold = record->holdTime * 1e-6f,
.transport = transportTime * 1e-6f,
.import = (record->importTime +
(record->producerValid ? 0 : record->importWaitTime)) * 1e-6f,
.dispatch = record->dispatchTime * 1e-6f,
@@ -521,6 +539,7 @@ static void frameTimingPublishReady(void)
.desktop = record->desktopTime * 1e-6f,
.compose = record->composeTime * 1e-6f,
.swap = record->swapTime * 1e-6f,
.present = 0.0f,
};
ringbuffer_push(g_state.frameLatency, &timing);
}