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[client/host/idd/lgmp] add additional timing metrics

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This commit is contained in:
Geoffrey McRae
2026-08-03 10:57:32 +10:00
parent 3035fa6282
commit 7533c855c2
18 changed files with 339 additions and 88 deletions
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63
client/src/main.c
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@@ -199,11 +199,21 @@ static bool tickTimerFn(void * unused)
return true;
}
struct RenderTiming
{
uint64_t renderStart;
uint64_t producerTime;
};
static void preSwapCallback(void * udata)
{
const uint64_t * renderStart = (const uint64_t *)udata;
ringbuffer_push(g_state.renderDuration,
&(float) {(nanotime() - *renderStart) * 1e-6f});
const struct RenderTiming * timing = (const struct RenderTiming *)udata;
const uint64_t renderTime = nanotime() - timing->renderStart;
ringbuffer_push(g_state.renderDuration, &(float) {renderTime * 1e-6f});
if (timing->producerTime)
ringbuffer_push(g_state.endToEndDuration,
&(float) {(timing->producerTime + renderTime) * 1e-6f});
#ifdef ENABLE_TESTS
if (!l_testCapture.enabled || l_testCapture.complete)
@@ -397,13 +407,17 @@ static int renderThread(void * unused)
const bool invalidate = atomic_exchange(&g_state.invalidateWindow, false);
const uint64_t renderStart = nanotime();
const struct RenderTiming renderTiming = {
.renderStart = nanotime(),
.producerTime = newFrame ? atomic_load_explicit(
&g_state.producerFrameTime, memory_order_acquire) : 0,
};
LG_LOCK(g_state.lgrLock);
renderQueue_process();
if (unlikely(!RENDERER(render, g_params.winRotate, newFrame, invalidate,
preSwapCallback, (void *)&renderStart)))
preSwapCallback, (void *)&renderTiming)))
{
LG_UNLOCK(g_state.lgrLock);
break;
@@ -778,6 +792,21 @@ int main_frameThread(void * unused)
break;
}
LG_TransportFrameTiming timing = {};
if (g_state.transportOps->getFrameTiming)
g_state.transportOps->getFrameTiming(
g_state.transport, &frame, &timing);
ringbuffer_push(g_state.captureDuration,
&(float) {timing.captureTime * 1e-6f});
ringbuffer_push(g_state.postProcessDuration,
&(float) {timing.postProcessTime * 1e-6f});
ringbuffer_push(g_state.copyDuration,
&(float) {timing.copyTime * 1e-6f});
atomic_store_explicit(&g_state.producerFrameTime,
timing.captureTime + timing.postProcessTime + timing.copyTime,
memory_order_release);
overlaySplash_show(false);
if ((frame.flags & LG_TRANSPORT_FRAME_REQUEST_ACTIVATION) &&
g_params.requestActivation)
@@ -1305,12 +1334,20 @@ static int lg_run(void)
DEBUG_INFO("Using font: %s", g_state.fontName);
// initialize metrics ringbuffers
g_state.renderTimings = ringbuffer_new(256, sizeof(float));
g_state.uploadTimings = ringbuffer_new(256, sizeof(float));
g_state.renderDuration = ringbuffer_new(256, sizeof(float));
overlayGraph_register("FRAME" , g_state.renderTimings , 0.0f, 50.0f, NULL);
overlayGraph_register("UPLOAD", g_state.uploadTimings , 0.0f, 50.0f, NULL);
overlayGraph_register("RENDER", g_state.renderDuration, 0.0f, 10.0f, NULL);
g_state.renderTimings = ringbuffer_new(256, sizeof(float));
g_state.uploadTimings = ringbuffer_new(256, sizeof(float));
g_state.renderDuration = ringbuffer_new(256, sizeof(float));
g_state.captureDuration = ringbuffer_new(256, sizeof(float));
g_state.postProcessDuration = ringbuffer_new(256, sizeof(float));
g_state.copyDuration = ringbuffer_new(256, sizeof(float));
g_state.endToEndDuration = ringbuffer_new(256, sizeof(float));
overlayGraph_register("FRAME" , g_state.renderTimings , 0.0f, 50.0f, NULL);
overlayGraph_register("UPLOAD" , g_state.uploadTimings , 0.0f, 50.0f, NULL);
overlayGraph_register("RENDER" , g_state.renderDuration , 0.0f, 10.0f, NULL);
overlayGraph_register("CAPTURE" , g_state.captureDuration , 0.0f, 20.0f, NULL);
overlayGraph_register("POST PROCESS", g_state.postProcessDuration, 0.0f, 20.0f, NULL);
overlayGraph_register("COPY" , g_state.copyDuration , 0.0f, 20.0f, NULL);
overlayGraph_register("END TO END" , g_state.endToEndDuration , 0.0f, 50.0f, NULL);
// unknown guest OS at this time
g_state.guestOS = LG_TRANSPORT_OS_OTHER;
@@ -1795,6 +1832,10 @@ static void lg_shutdown(void)
ringbuffer_free(&g_state.renderTimings);
ringbuffer_free(&g_state.uploadTimings);
ringbuffer_free(&g_state.renderDuration);
ringbuffer_free(&g_state.captureDuration);
ringbuffer_free(&g_state.postProcessDuration);
ringbuffer_free(&g_state.copyDuration);
ringbuffer_free(&g_state.endToEndDuration);
free(g_state.fontName);
igDestroyContext(NULL);