カスタムInstrumentsでアプリをピカピカに！

by Chiharu Nameki

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ߦ໦ ઍय़ʢͳΊ͖ ͪ͸Δʣ Twitter, Qiita, GitHub @Ridwy גࣜձࣾαΠόʔΤʔδΣϯτ ΧελϜInstrumentsͰ ΞϓϦΛϐΧϐΧʹʂ iOSDC Japan 2019 Sep. 7

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Instruments

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Agenda • Instrumentsͷجຊ • OSSignposts • ΧελϜInstrumentsͷ࡞੒ • ׆༻ࣄྫ • CLIPSʹΑΔModelerͷࣗ࡞

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ύϑΥʔϚϯεͳͲͷ඼࣭վળʹ໾ཱͭ ࣮ߦ࣌ʹ͞·͟·ͳ৘ใΛऩू͠ ෼ੳɾՄࢹԽͯ͘͠ΕΔπʔϧ

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Xcodeʹ૊Έࠐ·Ε͍ͯΔ ܭଌର৅ʹΞϓϦ͕ηοτ͞Εͨঢ়ଶͰىಈ Product > Profile

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୯ಠͰ΋ىಈͰ͖Δ

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جຊͷ࢖͍ํ

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ςϯϓϨʔτΛબ୒ͯ͠Choose !

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ϝΠϯը໘

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Record !

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݁ՌΛݟͯίʔυΛվળ

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Instruments ͱ͍͏୯ޠ͸ 2ͭͷҙຯͰ࢖ΘΕ͍ͯ·͢ ͜͜Ͱͪΐͬͱ஫ҙ

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Instruments.app

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֤छͷ෼ੳΛߦ͏πʔϧ Drag & Drop Ͱ௥Ճʂ Instruments ϥΠϒϥϦ

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ը໘ߏ੒

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ը໘ߏ੒ Track Area Detail Area Extended Detail Area Track (=࣌ܥྻͷάϥϑ) ͕ฒͿ

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Instrument Track graph lane lane άϥϑ͕ෳ਺͋Δͱ͖͸ ͜͜Ͱ੾Γସ͑

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Leaks Standard ςϯϓϨʔτ ❌ϝϞϦ࢖༻ྔ͕ӈݞ্͕Γ ❌ϦʔΫʂ

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Time Profiler Standard ςϯϓϨʔτ CPU࢖༻཰ΛՄࢹԽ ࣌ؒͷ͔͔Δؔ਺ͷಛఆʹ Application status΋දࣔ͞ΕΔ Backgroundதͷڍಈ΋֬ೝ͠΍͍͢

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ίΞΛޮ཰Α͘ ࢖͍͑ͯΔ͔ʁ ؔ਺ͷ࣮ߦʹ͔͔ͬͨ࣌ؒ

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AVPlayerItemOutputPullDelegate outputSequenceWasFlushed(_:) ಈըͷը͕Ͱ͖ͨΒݺ͹ΕΔ = ܁Γฦ࣮͠ߦ͞ΕΔՕॴ [AVVideoAsset minFrameDuration] 1ϑϨʔϜ͕Կඵ͔ 1ճ͋ͨΓ͸େͨ͜͠ͱͳ͍͕ ਖੵͰҙ֎ͱ͕͔͔͍࣌ؒͬͯΔ → ϧʔϓͷ֎ʹग़ͦ͏ʂ

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Energy Log Standard ςϯϓϨʔτ ֤ϋʔυ΢ΣΞͷঢ়ଶ ΧλϩάతͳςϯϓϨʔτʁ

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ΧελϜςϯϓϨʔτ ݱࡏͷ૊Έ߹ΘͤΛΧελϜςϯϓϨʔτͱͯ͠ॻ͖ग़ͤΔ Hoge.tracetemplate File > Save As Template… อଘ৔ॴ ~/Library/Application Support/Instruments/Templates ͜͜ʹஔ͘ͱςϯϓϨʔτબ୒ը໘ʹݱΕΔ μϒϧΫϦοΫͰ΋ىಈ

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ϐΧϐΧʹ͠Α͏ʂ جຊฤ ͜͜·Ͱ

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ԿΛ͚ͨ࣌ͩͬ͠…ʁʁ ͲΜͳૢ࡞Λͯ͠ɺը໘͸Ͳ͏͔ͩͬͨ? ޙ͔ΒݟΔͱ…

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Command Line࣮ߦ ޙ͔Β݁ՌΛΈΔέʔε ̍ $instruments -t "Allocations" -l 10000 -D SaveFileName.trace PathToYourApp ςϯϓϨʔτ ه࿥࣌ؒ(ϛϦඵ) อଘઌ ଌఆର৅

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Deferred Recording Mode ޙ͔Β݁ՌΛΈΔέʔε ̎ Instrumentsࣗମͷಈ࡞ʹΑΔӨڹΛ ࠷௿ݶʹ཈͑ΔͨΊ෼ੳΛ஗Ԇ࣮ߦͰ͖Δ or File > Recording Options…

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OSSignposts ʮίʔυ͕ԿΛ͍ͯ͠Δॴ͔ʯΛ Instrumentsʹ఻͑Α͏

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Point os_signpost(.event, log: logHandle, name: "Seek","to: %f", t) os_signpost()ΛίʔυʹຒΊࠐΉ Կ͕ൃੜͨ͠ͷ͔ʁΛૹΔ

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let spid = OSSignpostID(log: logHandle) os_signpost(.begin, log: logHandle, name: "Scene Detection”, signpostID: spid, "url: %{public}s", urlString) os_signpost(.end, log: logHandle, name: "Scene Detection”, signpostID: spid, "count: %d", sceneCount) detector.start(url: url) { } // ඇಉظॲཧ • .beginͱ.endͰғΉ • ରԠؔ܎͸ಉ͡OSSignpostIDΛ౉͢͜ͱͰ୲อ Interval os_signpost()ΛίʔυʹຒΊࠐΉ

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ϨίʔσΟϯάதͰͳ͍ͱ͖ͷ ίʔυͷ࣮ߦʹΠϯύΫτΛ༩͑ͳ͍Α͏ʹ஫ҙ os_signpost(.event, log: logHandle, name: “Seek”, "to: %f", marker.startTime.seconds) NG ͕͜͜ධՁ͞Εͯ͠·͏ if OSLogHandle.pointsOfInterest.signpostsEnabled { let seekTime = marker.startTime.seconds os_signpost(.event, log: logHandle, name: “Seek", “to: %f", seekTime) } // ϨίʔσΟϯάதͷΈ࣮ߦ͞ΕΔ OK

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ϝοηʔδ΋දࣔ͞ΕΔ Instrument ͷ os_signpost ΍ Points of Interest ʹදࣔ͞ΕΔ

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• άϥϑͷ৭, Ϧετͷ಺༰, etc. • Signposts͸ڞ௨ͷϦιʔεͳͷͰɺࣗ෼͕௥Ճͨ͠΋ͷ  Ҏ֎΋ग़ͯ͘Δ ͖ͬ͞௥Ճͨ͠ͷɺͲΕ? ͍Ζ͍Ζɺݟ΍ͨ͘͘͢͠ͳͬͯ͘Δ શ෦੨͍…

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ΧελϜInstruments

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Instruments Architecture Data Stream Table Modeler Table Standard UI Signposts, ktraceͳͲͷσʔλͷιʔε Data Stream Table σʔλͷೖΕ෺ɼܕ͸εΩʔϚͰఆٛ Modeler ೖྗσʔλΛධՁͯ͠ग़ྗσʔλΛੜ੒ Standard UI InstrumentsΞϓϦͷUI

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Instruments Architecture Dynamic Track-wide Binding 1. InstrumentsʹඞཁͳςʔϒϧΛ༻ҙ 2.ͦͷςʔϒϧͷεΩʔϚͷσʔλΛੜ੒Ͱ͖Δ  Modeler / Data StreamΛ୳ͯ͠όΠϯσΟϯά ޮ཰ԽͷͨΊɺಉ͡಺༰ͷςʔϒϧ͸ڞ༗͢Δ

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ΧελϜInstrumentsΛ࡞Δ InstrumentsͱඞཁͳModeler, εΩʔϚͳͲΛؚΉ  ύοέʔδΛ࡞Δ =

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࡞੒खॱ Xcode Ͱ File > New > Project… macOS಺ͷ Instruments Package Λબ୒

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instrpkgϑΝΠϧʹXMLͰ  εΩʔϚ΍Modeler, InstrumentsͳͲΛهड़ Snippet͕ॆ࣮ʂ

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• Run → σόοάϞʔυͰInstruments͕ىಈ • Archive → ഑෍༻ύοέʔδΛੜ੒ ActionLogs.instrdst ར༻࣌͸͜ΕΛ μϒϧΫϦοΫͯ͠Πϯετʔϧ

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ΠϯετʔϧࡁΈͷύοέʔδ͸ ؀ڥઃఆͷPackagesλϒͰ֬ೝͰ͖Δ

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XMLཁૉͷϦϑΝϨϯε Instruments Developer Help Package Definition Reference Engineering TypeʢΧϥϜͷσʔλछผʣͷϦετ΋ͪ͜Βʂ

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εΩʔϚ εΩʔϚ Instruments Package ͷߏ੒ྫ

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εΩʔϚΛهड़͢ΔͨΊͷXMLཁૉ XML Element Automatic Modeler Memo ○ ○ Xcode 11~ ○ Automatic Modeler = ModelerΛࣗಈੜ੒ͯ͘͠ΕΔػೳ os_signpost΍os_log͔Βఆٛ͞ΕͨεΩʔϚʹม׵ʂ

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εΩʔϚ Ұཡ Instrument > Instrument Inspector Schemasλϒ 100+ Built-in Schemas !

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طଘεΩʔϚͷར༻ํ๏ os-signpost ඞཁͳΒBuild SettingsͰύοέʔδΛϦϯΫ

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jp.co.chiharu-nameki.ScenePlayerBehavior ScenePlayerBehavior Chiharu Nameki os-signpost scene-detection Scene Detection "jp.co.chiharu-nameki.ScenePlayer" "Behavior" "Scene Detection" "url: " ?url "count: " ?count url Video URL string ?url scene-count Scene Count uint32 ?count result-color Color event-concept (if (= ?count 0) then "Red" else "Green") jp.co.chiharu-nameki.ScenePlayerBehavior.ScenePlayerBehavior ScenePlayer Behavior Behavior Visualize what's happen in ScenePlayer app Points of Interest user-actions os-signpost subsystem jp.co.chiharu-nameki.ScenePlayer category UserAction scene-detections scene-detection ScenePlayer Behavior User Actions user-actions name Scene Detection scene-detections url result-color User Actions user-actions time name message Scene Detection scene-detections start duration url scene-count ScenePlayerBehavior.tracetemplate ←116ߦ ScenePlayerBehavior.instrpkg

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No content

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API௨৴ͷՄࢹԽ ϓϩμΫτͰͷ׆༻ࣄྫ ̍ ޮ཰ͷѱ͍ϦΫΤετͷ࢓ํΛ͍ͯ͠ͳ͍͔ʁ

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Ϣʔβʔͷߦಈϩάͷ࣮૷֬ೝ ϓϩμΫτͰͷ׆༻ࣄྫ ̎ ՄࢹԽػೳʹண໨ λΠϛϯά΍಺༰͕ਖ਼͍͔͠νΣοΫ

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΋ͬͱݡ͘͠Α͏ʂ ΧελϜModeler

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A Tool for Building Expert Systems www.clipsrules.net

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Expert System ઐ໳Ոͷ൑அೳྗΛΤϛϡϨʔτ͢Δ΋ͷ ࣗಈి࿩Ԡ౴ɺੲͳ͕ΒͷAIʢ͍ΘΏΔਓ޻ແ೴ʣͳͲʹԠ༻ ൃੜͨ͠ࣄ࣮ʢfactʣΛϧʔϧʹैͬͯॲཧ Working memory fact f-2 Rule B Rule A fact f-1 fact f-3

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CLIPS ࣜ͸()ͰғΉ ( ࣜ ) ม਺ ?hoge ԋࢉࢠ͸લஔ͖ (+ ?a ?b) (> ?t1 ?t2) factૢ࡞ ; ௥Ճ (assert hello) ; ࡟আ (retract ?hoge) ; มߋ (modify ?hoge (fuga 123))

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ϧʔϧΛఆٛ (defrule rule1 (car_problem (name ignition_key) (status on)) (car_problem (name engine) (status wont_start)) => (assert (car_problem (name starter) (status faulty))) ) (pattern 1) (pattern 2) … (pattern N) (action 1) … (action M) => શͯͷύλʔϯʹϚονͨ͠Β ΞΫγϣϯΛ࣮ߦ

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۩ମྫ ߦಈϩάͷ࣮૷ϛεΛݕ஌ͤ͞Δ • λοϓͷϩάʹ͸Page IDʢͲͷը໘Ͱߦͳ͔ͬͨʣͷ৘ใؚ͕·ΕΔ • Page ID͸දࣔதͷը໘ͱಉ͡Ͱ͋Δ΂͖

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ཁૉʹೖग़ྗͷεΩʔϚͱCLIPSͷϑΝΠϧ΁ͷύεΛهड़

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page-id-validator.clp શจ ϧʔϧΛهड़

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ݕग़͞Εͨʂ

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Recap • Instrumentsͷجຊ • OSSignposts • ΧελϜInstrumentsͷ࡞੒ • ׆༻ࣄྫ • CLIPSʹΑΔModelerͷࣗ࡞

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Sample Code https://github.com/Ridwy/iosdc19-custom-instruments ActionLogs ScenePlayer.app w/ Instrument Custom Modeler Sample

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Getting Started with Instruments WWDC19, 411 Instruments֓ཁ, Time ProfilerͷσϞ, Signpostsͷ঺հ, XCTestͰͷར༻ྫ Measuring Performance Using Logging WWDC18, 405 Signposts APIৄࡉ Developing a Great Profiling Experience Telling your story with Custom Instruments WWDC19, 414 SignpostsʹΑΔσʔλऩूͷϕετϓϥΫςΟε, ΧελϜInstruments֓ཁ, ৘ใͷՄࢹԽ Creating Custom Instruments WWDC18, 410 InstrumentsͷΞʔΩςΫνϟ, ΧελϜInstrumentsͷ࡞੒ CLIPS User’s Guide www.clipsrules.net CLIPSݴޠͷجຊతͳ࢖͍ํͱγϯλοΫε Modeling in Custom Instruments WWDC19, 421 CLIPSʹΑΔModelerͷ࡞੒ ࢀߟࢿྉ ↓ ্͔ΒॱʹݟΔͱཧղ͠΍͍͢ͱࢥ͍·͢

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Instruments Help جຊͷ࢖͍ํ Instruments Developer Help ύοέʔδͷXMLཁૉ, Engineering TypeҰཡ ࢀߟࢿྉ

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠