SF: Report missed frames per display
Create a FrameTargeter per display, each with its own present fences and
metrics about missed frames. Label the traces for missed frames with the
DisplayId. Track CompositionCoverage per display.
Fixes: 262269033
Bug: 241285475
Test: Perfetto
Test: dumpsys SurfaceFlinger --scheduler
Change-Id: I0e599c602b9fd9ae4446dd076dea4b8a75652bd4
Merged-In: I0e599c602b9fd9ae4446dd076dea4b8a75652bd4
diff --git a/services/surfaceflinger/Scheduler/Scheduler.cpp b/services/surfaceflinger/Scheduler/Scheduler.cpp
index 41639b6..0dca21e 100644
--- a/services/surfaceflinger/Scheduler/Scheduler.cpp
+++ b/services/surfaceflinger/Scheduler/Scheduler.cpp
@@ -25,6 +25,7 @@
#include <android/hardware/configstore/1.0/ISurfaceFlingerConfigs.h>
#include <android/hardware/configstore/1.1/ISurfaceFlingerConfigs.h>
#include <configstore/Utils.h>
+#include <ftl/concat.h>
#include <ftl/enum.h>
#include <ftl/fake_guard.h>
#include <ftl/small_map.h>
@@ -130,8 +131,8 @@
auto [pacesetterVsyncSchedule, isNew] = [&]() FTL_FAKE_GUARD(kMainThreadContext) {
std::scoped_lock lock(mDisplayLock);
const bool isNew = mDisplays
- .emplace_or_replace(displayId, std::move(selectorPtr),
- std::move(schedulePtr))
+ .emplace_or_replace(displayId, displayId, std::move(selectorPtr),
+ std::move(schedulePtr), mFeatures)
.second;
return std::make_pair(promotePacesetterDisplayLocked(), isNew);
@@ -171,21 +172,43 @@
void Scheduler::onFrameSignal(ICompositor& compositor, VsyncId vsyncId,
TimePoint expectedVsyncTime) {
- mPacesetterFrameTargeter.beginFrame({.frameBeginTime = SchedulerClock::now(),
- .vsyncId = vsyncId,
- .expectedVsyncTime = expectedVsyncTime,
- .sfWorkDuration =
- mVsyncModulator->getVsyncConfig().sfWorkDuration},
- *getVsyncSchedule());
+ const FrameTargeter::BeginFrameArgs beginFrameArgs =
+ {.frameBeginTime = SchedulerClock::now(),
+ .vsyncId = vsyncId,
+ // TODO(b/255601557): Calculate per display.
+ .expectedVsyncTime = expectedVsyncTime,
+ .sfWorkDuration = mVsyncModulator->getVsyncConfig().sfWorkDuration};
- if (!compositor.commit(mPacesetterFrameTargeter.target())) {
- return;
+ LOG_ALWAYS_FATAL_IF(!mPacesetterDisplayId);
+ const auto pacesetterId = *mPacesetterDisplayId;
+ const auto pacesetterOpt = mDisplays.get(pacesetterId);
+
+ FrameTargeter& pacesetterTargeter = *pacesetterOpt->get().targeterPtr;
+ pacesetterTargeter.beginFrame(beginFrameArgs, *pacesetterOpt->get().schedulePtr);
+
+ if (!compositor.commit(pacesetterTargeter.target())) return;
+
+ // TODO(b/256196556): Choose the frontrunner display.
+ FrameTargeters targeters;
+ targeters.try_emplace(pacesetterId, &pacesetterTargeter);
+
+ for (auto& [id, display] : mDisplays) {
+ if (id == pacesetterId) continue;
+
+ FrameTargeter& targeter = *display.targeterPtr;
+ targeter.beginFrame(beginFrameArgs, *display.schedulePtr);
+
+ targeters.try_emplace(id, &targeter);
}
- const auto compositeResult = compositor.composite(mPacesetterFrameTargeter);
+ const auto resultsPerDisplay = compositor.composite(pacesetterId, targeters);
compositor.sample();
- mPacesetterFrameTargeter.endFrame(compositeResult);
+ for (const auto& [id, targeter] : targeters) {
+ const auto resultOpt = resultsPerDisplay.get(id);
+ LOG_ALWAYS_FATAL_IF(!resultOpt);
+ targeter->endFrame(*resultOpt);
+ }
}
std::optional<Fps> Scheduler::getFrameRateOverride(uid_t uid) const {
@@ -534,8 +557,16 @@
}
void Scheduler::addPresentFence(PhysicalDisplayId id, std::shared_ptr<FenceTime> fence) {
- auto schedule = getVsyncSchedule(id);
- LOG_ALWAYS_FATAL_IF(!schedule);
+ const auto scheduleOpt =
+ (ftl::FakeGuard(mDisplayLock), mDisplays.get(id)).and_then([](const Display& display) {
+ return display.powerMode == hal::PowerMode::OFF
+ ? std::nullopt
+ : std::make_optional(display.schedulePtr);
+ });
+
+ if (!scheduleOpt) return;
+ const auto& schedule = scheduleOpt->get();
+
if (const bool needMoreSignals = schedule->getController().addPresentFence(std::move(fence))) {
schedule->enableHardwareVsync();
} else {
@@ -724,7 +755,23 @@
mFrameRateOverrideMappings.dump(dumper);
dumper.eol();
- mPacesetterFrameTargeter.dump(dumper);
+ {
+ utils::Dumper::Section section(dumper, "Frame Targeting"sv);
+
+ std::scoped_lock lock(mDisplayLock);
+ ftl::FakeGuard guard(kMainThreadContext);
+
+ for (const auto& [id, display] : mDisplays) {
+ utils::Dumper::Section
+ section(dumper,
+ id == mPacesetterDisplayId
+ ? ftl::Concat("Pacesetter Display ", id.value).c_str()
+ : ftl::Concat("Follower Display ", id.value).c_str());
+
+ display.targeterPtr->dump(dumper);
+ dumper.eol();
+ }
+ }
}
void Scheduler::dumpVsync(std::string& out) const {