472 lines
19 KiB
C++
472 lines
19 KiB
C++
/**
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* @file llperfstats.h
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* @brief Statistics collection to support autotune and perf flaoter.
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*
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* $LicenseInfo:firstyear=2022&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2022, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#pragma once
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#ifndef LL_PERFSTATS_H_INCLUDED
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#define LL_PERFSTATS_H_INCLUDED
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#include <atomic>
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#include <chrono>
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#include <array>
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#include <unordered_map>
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#include <mutex>
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#include "lluuid.h"
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#include "llfasttimer.h"
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#include "blockingconcurrentqueue.h" // <FS:Beq/> reinstate faster queues
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#include "llapp.h"
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#include "llprofiler.h"
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#include "pipeline.h"
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// <FS:Beq> Additional logging options. These can skew inworld numbers so onyl use for debugging and tracking issues
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#ifdef TRACY_ENABLE
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// USAGE_TRACKING - displays overlapping stats that may imply double counting.
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// ATTACHMENT_TRACKING - displays detailed tracking info for Avatar and Attachment. very heavy overhead.
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// #define USAGE_TRACKING
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#define ATTACHMENT_TRACKING
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#else
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#undef USAGE_TRACKING
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#undef ATTACHMENT_TRACKING
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#endif
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// </FS:Beq>
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extern U32 gFrameCount;
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extern LLUUID gAgentID;
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namespace LLPerfStats
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{
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// <FS:Beq> Additional logging options. These can skew inworld numbers so onyl use for debugging and tracking issues
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#ifdef USAGE_TRACKING
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extern std::atomic<int64_t> inUse;
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extern std::atomic<int64_t> inUseAvatar;
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extern std::atomic<int64_t> inUseScene;
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extern std::atomic<int64_t> inUseAttachment;
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extern std::atomic<int64_t> inUseAttachmentRigged;
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extern std::atomic<int64_t> inUseAttachmentUnRigged;
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#endif
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// </FS:Beq>
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// called once per main loop iteration
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void updateClass();
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// Note if changing these, they should correspond with the log range of the correpsonding sliders
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static constexpr U64 ART_UNLIMITED_NANOS{50000000};
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static constexpr U64 ART_MINIMUM_NANOS{100000};
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static constexpr U64 ART_MIN_ADJUST_UP_NANOS{5000};
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static constexpr U64 ART_MIN_ADJUST_DOWN_NANOS{10000};
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static constexpr F32 PREFERRED_DD{180};
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static constexpr U32 SMOOTHING_PERIODS{50};
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static constexpr U32 DD_STEP{10};
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static constexpr U32 TUNE_AVATARS_ONLY{0};
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static constexpr U32 TUNE_SCENE_AND_AVATARS{1};
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static constexpr U32 TUNE_SCENE_ONLY{2};
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extern F64 cpu_hertz;
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extern std::atomic<int64_t> tunedAvatars;
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extern std::atomic<U64> renderAvatarMaxART_ns;
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extern bool belowTargetFPS;
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extern U32 lastGlobalPrefChange;
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extern U32 lastSleepedFrame;
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extern U64 meanFrameTime;
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extern std::mutex bufferToggleLock;
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enum class ObjType_t{
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OT_GENERAL=0, // Also Unknown. Used for n/a type stats such as scenery
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OT_AVATAR, // <FS:Ansariel> Leave this in for now so I don't have to deal with the bugs in FSFloaterPerformance...
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OT_COUNT
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};
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enum class StatType_t{
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RENDER_GEOMETRY=0,
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RENDER_SHADOWS,
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RENDER_HUDS,
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RENDER_UI,
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RENDER_COMBINED,
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RENDER_SWAP,
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RENDER_FRAME,
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RENDER_DISPLAY,
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RENDER_SLEEP,
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RENDER_LFS,
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RENDER_MESHREPO,
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RENDER_FPSLIMIT,// <FS:Beq/> restore this for FS
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RENDER_FPS,
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RENDER_IDLE,
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RENDER_DONE, // toggle buffer & clearbuffer (see processUpdate for hackery)
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STATS_COUNT
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};
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struct StatsRecord
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{
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StatType_t statType;
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ObjType_t objType;
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LLUUID avID;
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LLUUID objID;
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uint64_t time;
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bool isRigged;
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bool isHUD;
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};
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struct Tunables
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{
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static constexpr U32 Nothing{0};
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static constexpr U32 NonImpostors{1};
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static constexpr U32 ReflectionDetail{2};
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static constexpr U32 FarClip{4};
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static constexpr U32 UserMinDrawDistance{8};
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static constexpr U32 UserTargetDrawDistance{16};
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static constexpr U32 UserImpostorDistance{32};
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static constexpr U32 UserImpostorDistanceTuningEnabled{64};
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static constexpr U32 UserFPSTuningStrategy{128};
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static constexpr U32 UserAutoTuneEnabled{256};
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static constexpr U32 UserTargetFPS{512};
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static constexpr U32 UserARTCutoff{1024};
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static constexpr U32 UserAutoTuneLock{4096};
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U32 tuningFlag{0}; // bit mask for changed settings
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// proxy variables, used to pas the new value to be set via the mainthread
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U32 nonImpostors{0};
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S32 reflectionDetail{0};
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F32 farClip{0.0};
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F32 userMinDrawDistance{0.0};
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F32 userTargetDrawDistance{0.0};
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F32 userImpostorDistance{0.0};
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bool userImpostorDistanceTuningEnabled{false};
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U32 userFPSTuningStrategy{0};
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bool userAutoTuneEnabled{false};
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bool userAutoTuneLock{true};
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U32 userTargetFPS{0};
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F32 userARTCutoffSliderValue{0};
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bool autoTuneTimeout{true};
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bool vsyncEnabled{true};
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void updateNonImposters(U32 nv){nonImpostors=nv; tuningFlag |= NonImpostors;};
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void updateReflectionDetail(S32 nv){reflectionDetail=nv; tuningFlag |= ReflectionDetail;};
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void updateFarClip(F32 nv){farClip=nv; tuningFlag |= FarClip;};
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void updateUserMinDrawDistance(F32 nv){userMinDrawDistance=nv; tuningFlag |= UserMinDrawDistance;};
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void updateUserTargetDrawDistance(F32 nv){userTargetDrawDistance=nv; tuningFlag |= UserTargetDrawDistance;};
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void updateImposterDistance(F32 nv){userImpostorDistance=nv; tuningFlag |= UserImpostorDistance;};
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void updateImposterDistanceTuningEnabled(bool nv){userImpostorDistanceTuningEnabled=nv; tuningFlag |= UserImpostorDistanceTuningEnabled;};
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void updateUserFPSTuningStrategy(U32 nv){userFPSTuningStrategy=nv; tuningFlag |= UserFPSTuningStrategy;};
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void updateTargetFps(U32 nv){userTargetFPS=nv; tuningFlag |= UserTargetFPS;};
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void updateUserARTCutoffSlider(F32 nv){userARTCutoffSliderValue=nv; tuningFlag |= UserARTCutoff;};
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void updateUserAutoTuneEnabled(bool nv){userAutoTuneEnabled=nv; tuningFlag |= UserAutoTuneEnabled;};
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void updateUserAutoTuneLock(bool nv){userAutoTuneLock=nv; tuningFlag |= UserAutoTuneLock;};
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void resetChanges(){tuningFlag=Nothing;};
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void initialiseFromSettings();
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void updateRenderCostLimitFromSettings();
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void updateSettingsFromRenderCostLimit();
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void applyUpdates();
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};
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extern Tunables tunables;
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class StatsRecorder{
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public:
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static inline StatsRecorder& getInstance()
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{
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static StatsRecorder instance;
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return instance;
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}
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static inline void setFocusAv(const LLUUID& avID){focusAv = avID;};
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static inline const LLUUID& getFocusAv(){return focusAv;};
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static inline void setAutotuneInit(){autotuneInit = true;};
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static inline void send(StatsRecord && upd)
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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StatsRecorder::getInstance().processUpdate(upd);
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}
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static void endFrame()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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StatsRecorder::getInstance().processUpdate(StatsRecord{StatType_t::RENDER_DONE, ObjType_t::OT_GENERAL, LLUUID::null, LLUUID::null, 0});
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}
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static void clearStats()
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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StatsRecorder::getInstance().processUpdate(StatsRecord{StatType_t::RENDER_DONE, ObjType_t::OT_GENERAL, LLUUID::null, LLUUID::null, 1});
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}
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static inline void setEnabled(bool on_or_off){collectionEnabled=on_or_off;};
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static inline void enable() { collectionEnabled=true; };
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static inline void disable() { collectionEnabled=false; };
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static inline bool enabled() { return collectionEnabled; };
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static inline int getReadBufferIndex() { return (writeBuffer ^ 1); };
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// static inline const StatsTypeMatrix& getCurrentStatsMatrix(){ return statsDoubleBuffer[getReadBufferIndex()];}
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static inline uint64_t get(ObjType_t otype, LLUUID id, StatType_t type)
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{
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return statsDoubleBuffer[getReadBufferIndex()][static_cast<size_t>(otype)][id][static_cast<size_t>(type)];
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}
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static inline uint64_t getSceneStat(StatType_t type)
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{
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return statsDoubleBuffer[getReadBufferIndex()][static_cast<size_t>(ObjType_t::OT_GENERAL)][LLUUID::null][static_cast<size_t>(type)];
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}
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static inline uint64_t getSum(ObjType_t otype, StatType_t type)
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{
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return sum[getReadBufferIndex()][static_cast<size_t>(otype)][static_cast<size_t>(type)];
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}
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static inline uint64_t getMax(ObjType_t otype, StatType_t type)
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{
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return max[getReadBufferIndex()][static_cast<size_t>(otype)][static_cast<size_t>(type)];
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}
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static void updateAvatarParams();
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private:
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StatsRecorder();
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static int countNearbyAvatars(S32 distance);
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static U64 getMeanTotalFrameTime();
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static void updateMeanFrameTime(U64 tot_frame_time_raw);
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// StatsArray is a uint64_t for each possible statistic type.
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using StatsArray = std::array<uint64_t, static_cast<size_t>(LLPerfStats::StatType_t::STATS_COUNT)>;
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using StatsMap = std::unordered_map<LLUUID, StatsArray>; // <FS:Beq/>
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using StatsTypeMatrix = std::array<StatsMap, static_cast<size_t>(LLPerfStats::ObjType_t::OT_COUNT)>;
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using StatsSummaryArray = std::array<StatsArray, static_cast<size_t>(LLPerfStats::ObjType_t::OT_COUNT)>;
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static std::atomic<int> writeBuffer;
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static LLUUID focusAv;
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static bool autotuneInit;
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static std::array<StatsTypeMatrix,2> statsDoubleBuffer;
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static std::array<StatsSummaryArray,2> max;
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static std::array<StatsSummaryArray,2> sum;
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static bool collectionEnabled;
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void processUpdate(const StatsRecord& upd) const
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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// LL_INFOS("perfstats") << "processing update:" << LL_ENDL;
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// Note: nullptr is used as the key for global stats
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if (upd.statType == StatType_t::RENDER_DONE && upd.objType == ObjType_t::OT_GENERAL && upd.time == 0)
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{
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// LL_INFOS("perfstats") << "End of Frame Toggle Buffer:" << gFrameCount << LL_ENDL;
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toggleBuffer();
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return;
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}
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if (upd.statType == StatType_t::RENDER_DONE && upd.objType == ObjType_t::OT_GENERAL && upd.time == 1)
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{
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// LL_INFOS("perfstats") << "New region - clear buffers:" << gFrameCount << LL_ENDL;
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clearStatsBuffers();
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return;
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}
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auto ot{upd.objType};
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auto& key{upd.objID};
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auto& avKey{upd.avID};
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auto type {upd.statType};
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auto val {upd.time};
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// <FS:Beq> markup to support coverage testing on stats collection
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#ifdef TRACY_ENABLE
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static char obstr[36];
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static char avstr[36];
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LL_PROFILE_ZONE_TEXT(key.toStringFast(obstr), 36);
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LL_PROFILE_ZONE_TEXT(avKey.toStringFast(avstr), 36);
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LL_PROFILE_ZONE_NUM(val);
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#endif
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// </FS:Beq>
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if (ot == ObjType_t::OT_GENERAL)
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{
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// LL_INFOS("perfstats") << "General update:" << LL_ENDL;
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doUpd(key, ot, type,val);
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return;
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}
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if (ot == ObjType_t::OT_AVATAR)
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{
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// LL_INFOS("perfstats") << "Avatar update:" << LL_ENDL;
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doUpd(avKey, ot, type, val);
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return;
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}
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}
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static inline void doUpd(const LLUUID& key, ObjType_t ot, StatType_t type, uint64_t val)
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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using ST = StatType_t;
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StatsMap& stm {statsDoubleBuffer[writeBuffer][static_cast<size_t>(ot)]};
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auto& thisAsset = stm[key];
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thisAsset[static_cast<size_t>(type)] += val;
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thisAsset[static_cast<size_t>(ST::RENDER_COMBINED)] += val;
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sum[writeBuffer][static_cast<size_t>(ot)][static_cast<size_t>(type)] += val;
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sum[writeBuffer][static_cast<size_t>(ot)][static_cast<size_t>(ST::RENDER_COMBINED)] += val;
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if(max[writeBuffer][static_cast<size_t>(ot)][static_cast<size_t>(type)] < thisAsset[static_cast<size_t>(type)])
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{
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max[writeBuffer][static_cast<size_t>(ot)][static_cast<size_t>(type)] = thisAsset[static_cast<size_t>(type)];
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}
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if(max[writeBuffer][static_cast<size_t>(ot)][static_cast<size_t>(ST::RENDER_COMBINED)] < thisAsset[static_cast<size_t>(ST::RENDER_COMBINED)])
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{
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max[writeBuffer][static_cast<size_t>(ot)][static_cast<size_t>(ST::RENDER_COMBINED)] = thisAsset[static_cast<size_t>(ST::RENDER_COMBINED)];
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}
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}
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static void toggleBuffer();
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static void clearStatsBuffers();
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~StatsRecorder() = default;
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StatsRecorder(const StatsRecorder&) = delete;
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StatsRecorder& operator=(const StatsRecorder&) = delete;
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};
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template <enum ObjType_t ObjTypeDiscriminator>
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class RecordTime
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{
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private:
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RecordTime(const RecordTime&) = delete;
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RecordTime() = delete;
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U64 start;
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public:
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StatsRecord stat;
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RecordTime( const LLUUID& av, const LLUUID& id, StatType_t type, bool isRiggedAtt=false, bool isHUDAtt=false):
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start{LLTrace::BlockTimer::getCPUClockCount64()},
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stat{type, ObjTypeDiscriminator, std::move(av), std::move(id), 0, isRiggedAtt, isHUDAtt}
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{
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// <FS:Beq> extra profiling coverage tracking
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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#ifdef USAGE_TRACKING
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if(stat.objType == LLPerfStats::ObjType_t::OT_ATTACHMENT)
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{
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LL_PROFILE_PLOT_CONFIG_SQUARE("InUse");
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LL_PROFILE_PLOT_CONFIG_SQUARE("InUseAttachment");
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LL_PROFILE_PLOT_CONFIG_SQUARE("InUseAttachmentRigged");
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LL_PROFILE_PLOT_CONFIG_SQUARE("InUseAttachmentUnRigged");
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if(!stat.isRigged && LLPerfStats::inUseAvatar){LL_PROFILE_ZONE_TEXT("OVERLAP AVATAR",14);}
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LLPerfStats::inUse++;
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LL_PROFILE_PLOT("InUse", (int64_t)LLPerfStats::inUse);
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LLPerfStats::inUseAttachment++;
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LL_PROFILE_PLOT("InUseAttachment", (int64_t)LLPerfStats::inUseAttachment);
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if (stat.isRigged)
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{
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LLPerfStats::inUseAttachmentRigged++;
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LL_PROFILE_PLOT("InUseAttachmentRigged", (int64_t)LLPerfStats::inUseAttachmentRigged);
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}
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else
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{
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LLPerfStats::inUseAttachmentUnRigged++;
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LL_PROFILE_PLOT("InUseAttachmentUnRigged", (int64_t)LLPerfStats::inUseAttachmentUnRigged);
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}
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}
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#endif
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// </FS:Beq>
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};
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template < ObjType_t OD = ObjTypeDiscriminator,
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std::enable_if_t<OD == ObjType_t::OT_GENERAL> * = nullptr>
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explicit RecordTime( StatType_t type ):RecordTime<ObjTypeDiscriminator>(LLUUID::null, LLUUID::null, type )
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{
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LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
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// <FS:Beq> extra profiling coverage tracking
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#ifdef USAGE_TRACKING
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LLPerfStats::inUseScene++;
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LL_PROFILE_PLOT("InUseScene", (int64_t)LLPerfStats::inUseScene);
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LLPerfStats::inUse++;
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LL_PROFILE_PLOT("InUse", (int64_t)LLPerfStats::inUse);
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#endif
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// </FS:Beq>
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};
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~RecordTime()
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{
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if(!LLPerfStats::StatsRecorder::enabled())
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{
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return;
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}
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// <FS:Beq> extra profiling coverage tracking
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#ifdef USAGE_TRACKING
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--LLPerfStats::inUse;
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LL_PROFILE_PLOT("InUse", (int64_t)LLPerfStats::inUse);
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if (stat.objType == LLPerfStats::ObjType_t::OT_ATTACHMENT)
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{
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--LLPerfStats::inUseAttachment;
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LL_PROFILE_PLOT("InUseAttachment", (int64_t)LLPerfStats::inUseAttachment);
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if (stat.isRigged)
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{
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--LLPerfStats::inUseAttachmentRigged;
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LL_PROFILE_PLOT("InUseAttachmentRigged", (int64_t)LLPerfStats::inUseAttachmentRigged);
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}
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else
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{
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--LLPerfStats::inUseAttachmentUnRigged;
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LL_PROFILE_PLOT("InUseAttachmentUnRigged", (int64_t)LLPerfStats::inUseAttachmentUnRigged);
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}
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}
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if (stat.objType == LLPerfStats::ObjType_t::OT_GENERAL)
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{
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--LLPerfStats::inUseScene;
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LL_PROFILE_PLOT("InUseScene", (int64_t)LLPerfStats::inUseScene);
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}
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if( stat.objType == LLPerfStats::ObjType_t::OT_AVATAR )
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{
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--LLPerfStats::inUseAvatar;
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LL_PROFILE_PLOT("InUseAv", (int64_t)LLPerfStats::inUseAvatar);
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}
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#endif
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// </FS:Beq>
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stat.time = LLTrace::BlockTimer::getCPUClockCount64() - start;
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// <FS:Beq> extra profiling coverage tracking
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#if TRACY_ENABLE && defined(ATTACHMENT_TRACKING)
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// static char obstr[36];
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// static char avstr[36];
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// LL_PROFILE_ZONE_NUM(static_cast<U64>(stat.objType));
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// LL_PROFILE_ZONE_TEXT(stat.avID.toStringFast(avstr), 36);
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|
// LL_PROFILE_ZONE_TEXT(stat.objID.toStringFast(obstr), 36);
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|
// LL_PROFILE_ZONE_NUM(stat.time);
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|
#endif
|
|
// </FS:Beq>
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|
StatsRecorder::send(std::move(stat));
|
|
};
|
|
};
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|
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|
inline double raw_to_ns(U64 raw) { return (static_cast<double>(raw) * 1000000000.0) / LLPerfStats::cpu_hertz; };
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|
inline double raw_to_us(U64 raw) { return (static_cast<double>(raw) * 1000000.0) / LLPerfStats::cpu_hertz; };
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|
inline double raw_to_ms(U64 raw) { return (static_cast<double>(raw) * 1000.0) / LLPerfStats::cpu_hertz; };
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|
|
|
inline U64 ns_to_raw(double ns) { return (U64)(LLPerfStats::cpu_hertz * (ns / 1000000000.0)); }
|
|
inline U64 us_to_raw(double us) { return (U64)(LLPerfStats::cpu_hertz * (us / 1000000.0)); }
|
|
inline U64 ms_to_raw(double ms) { return (U64)(LLPerfStats::cpu_hertz * (ms / 1000.0));
|
|
|
|
}
|
|
|
|
|
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using RecordSceneTime = RecordTime<ObjType_t::OT_GENERAL>;
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|
|
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};// namespace LLPerfStats
|
|
|
|
#endif
|