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feat(dashboard): Performance page with frame times, slow frames and flame graphs

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The dashboard's own loop is framed too, with a scope per module update. Frame time and stacked phase charts per server, the servers' loop summary, longest frames, packet handling times, the last 50 slow frames with a nested timeline, and profiling sessions (profiling_run, GM 8) drawn as a flame graph with folded stacks to download. PerfHistory keeps it in memory and is unit tested; the layouts are tested with node. Task 96.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-29 22:06:33 -05:00
parent d4e9423264
commit 992abf9d8a
16 changed files with 1489 additions and 20 deletions
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50
dDashboardServer/DashboardServer.cpp
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@@ -6,6 +6,8 @@
#include <csignal>
#include <memory>
#include "Profiler.h"
#include <optional>
#include "CDClientDatabase.h"
#include "ConfigSync.h"
#include "CDClientManager.h"
@@ -91,6 +93,8 @@
#include "PrometheusMetrics.h"
#include "Traffic.h"
#include "master/ServerTraffic.h"
#include "master/Profiling.h"
#include "Performance.h"
#include "Background.h"
#include "master/DashboardMessages.h"
#include "master/DataChanged.h"
@@ -342,6 +346,7 @@ namespace {
handlers.On<PlayerActionResult>(Master::PLAYER_ACTION_RESULT, [](const PlayerActionResult& result, const SystemAddress&) { PlayerActions::HandleResult(result); });
handlers.On<MasterPackets::WorldShutDown>(Master::SHUTDOWN_RESPONSE, OnWorldShutDown);
handlers.On<ServerTraffic>(Master::SERVER_TRAFFIC, [](const ServerTraffic& report, const SystemAddress&) { Traffic::Ingest(report); });
handlers.On<ProfileResult>(Master::PROFILE_RESULT, [](const ProfileResult& result, const SystemAddress&) { Performance::IngestProfile(result); });
handlers.On<LiveUpdateStatus>(Master::LIVE_UPDATE_STATUS, [](const LiveUpdateStatus& status, const SystemAddress&) { LiveUpdateRoutes::HandleStatus(status); });
return handlers;
}();
@@ -562,6 +567,7 @@ int main(int argc, char** argv) {
Scenery::RegisterRoutes();
PrometheusMetrics::RegisterRoutes();
Traffic::RegisterRoutes();
Performance::RegisterRoutes();
RegisterPublicRoutes();
RegisterShowcaseRoutes();
FeaturedProperties::RegisterRoutes();
@@ -594,12 +600,19 @@ int main(int argc, char** argv) {
const auto elapsedSinceBroadcast = std::chrono::duration_cast<std::chrono::milliseconds>(currentTime - lastBroadcast).count();
if (elapsed >= 1000.0f / 60.0f) {
Profiler::FrameScope frame;
std::optional<Profiler::Scope> masterScope;
masterScope.emplace("Master packets", Profiler::Phase::PACKETS);
Packet* packet = g_Server->ReceiveFromMaster();
while (packet) {
HandleMasterPacket(packet);
{
Profiler::PacketScope scope(packet->data, packet->length);
HandleMasterPacket(packet);
}
g_Server->DeallocateMasterPacket(packet);
packet = g_Server->ReceiveFromMaster();
}
masterScope.reset();
// Only once the master link is up; sent earlier, the request is dropped and auth/chat look offline
if (g_Server->GetIsConnectedToMaster() && std::chrono::steady_clock::now() >= g_NextServerListRequest) {
@@ -607,23 +620,24 @@ int main(int argc, char** argv) {
g_NextServerListRequest = std::chrono::steady_clock::now() + SERVER_LIST_INTERVAL;
}
PlayerActions::Update();
EmailService::Update();
Alerts::Update();
Background::Update();
ModeratorHelper::Update();
Scheduler::Update();
ServerRoutes::Update();
LiveWorld::Update();
LiveUpdateRoutes::Update();
Inspector::Update();
Announcements::Update();
EventsCalendar::Update();
LiveEventRoutes::Update();
ChallengeRoutes::Update();
InstanceLoad::Update();
Traffic::Update();
ApiKeyService::Update();
{ Profiler::Scope scope("PlayerActions::Update"); PlayerActions::Update(); }
{ Profiler::Scope scope("EmailService::Update"); EmailService::Update(); }
{ Profiler::Scope scope("Alerts::Update"); Alerts::Update(); }
{ Profiler::Scope scope("Background::Update"); Background::Update(); }
{ Profiler::Scope scope("ModeratorHelper::Update"); ModeratorHelper::Update(); }
{ Profiler::Scope scope("Scheduler::Update"); Scheduler::Update(); }
{ Profiler::Scope scope("ServerRoutes::Update"); ServerRoutes::Update(); }
{ Profiler::Scope scope("LiveWorld::Update"); LiveWorld::Update(); }
{ Profiler::Scope scope("LiveUpdateRoutes::Update"); LiveUpdateRoutes::Update(); }
{ Profiler::Scope scope("Inspector::Update"); Inspector::Update(); }
{ Profiler::Scope scope("Announcements::Update"); Announcements::Update(); }
{ Profiler::Scope scope("EventsCalendar::Update"); EventsCalendar::Update(); }
{ Profiler::Scope scope("LiveEventRoutes::Update"); LiveEventRoutes::Update(); }
{ Profiler::Scope scope("ChallengeRoutes::Update"); ChallengeRoutes::Update(); }
{ Profiler::Scope scope("InstanceLoad::Update"); InstanceLoad::Update(); }
{ Profiler::Scope scope("Traffic::Update"); Traffic::Update(); }
{ Profiler::Scope scope("Performance::Update"); Performance::Update(); }
{ Profiler::Scope scope("ApiKeyService::Update"); ApiKeyService::Update(); }
// Broadcast dashboard updates periodically
if (elapsedSinceBroadcast >= broadcastInterval) {