DroidKaigi 2016 パフォーマンスを追求したAndroidアプリを作るには

Transcript

1. %SPJE,BJHJ
   ύϑΥʔϚϯεΛ௥ٻͨ͠
   ΞϓϦΛ࡞Δʹ͸
   ߐ઒ਸ
   UFHBXB!HNBJMDPN
   4NBSUJVN ג
   
   (PPHMF%FWFMPQFS&YQFSU
   
   

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2. ਫ਼ਆ͕පΈͦ͏
   
   ΍ͬͯ΋ײँ͞Εͳ͍
   
   ஍ຯɾ҉͍
   
   ΊΜͲ͏ɾμϧ͍
   
   ΞϯέʔτύϑΥʔϚϯε޲্ʹ͍ͭͯͷҹ৅
   ର৅ट౎ݍࡏॅͷ"OESPJE։ൃऀ ਓ
   
   
   

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3. ஍ຯͰ͋Γ໘౗Ͱ͋Γ೔ӄऀͰ͋Δ
   ͕ͩɼݸਓతʹ͸
   ͜ΕΛؤுΕΔ͔Ͳ͏͔͕
   σϕϩούʔͱͯ͠ͷՁ஋Λେ͖͘
   ࠨӈ͢Δʢؾ͕͢Δʣ
   ͳͷͰɼ࿩͍ͨ͠
   
   

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4. ͸͡Ίʹ
   ͓࿩͢͠Δ͜ͱ
   ࢲͷ೔ৗతͳऔΓ૊ΈΛൈਮ͓ͯ͠࿩͠͠·͢
   ϦʔζφϒϧʹऔΓ૊ΊΔ͜ͱΛ঺հ͠·͢
   एׯEVNQTZTଟΊͱͳ͓ͬͯΓ·͢
   ίϯςΩετ
   4%,Λ࢖ͬͨҰൠతͳΞϓϦ
   
   

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5. %SPJE,BJHJ
   ύϑΥʔϚϯεΛ௥ٻͨ͠
   ΞϓϦΛ࡞Δ
   ͨΊʹऔΓ૊ΜͰ͍Δ͜ͱ ߐ઒ਸ
   UFHBXB!HNBJMDPN
   4NBSUJVN ג
   
   (PPHMF%FWFMPQFS&YQFSU
   
   

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6. ϓϩάϥϛϯάςΫχοΫʹ͍ͭͯ͸
   6EBDJUZͰֶ΅͏
   4UVEZ+BNTϓϩάϥϜ΁ͷࢀՃొ࿥͸ͪ͜Β
   
   IUUQTFWFOUTXJUIHPPHMFDPNTUVEZKBNTKBQBO
   4UVEZ+BNTϓϩάϥϜ΁ͷࢀՃొ࿥Λ͠6EBDJUZͷର৅ίʔεʹొ
   ࿥͢Δͱɺઐ༻ΦϯϥΠϯίϛϡχςΟʹࢀՃͰ͖·͢ɽ
   
   
   

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7. w ిྗফඅ
   w 6*
   w ͦͷଞ ௨৴ ϝϞϦ ϓϩηοα
   ηϯαͳͲ
   
   ύϑΥʔϚϯεͷࢦඪ΍ཁҼ͸
   ೔ʑෳࡶԽ͍ͯ͠Δ
   ༷ʑͳ؍఺Ͱͷଟ֯తͳ੾Γޱ
   Ͱߟ͑Δ
   w ه࿥
   w ՄࢹԽ
   w ؆୯ खܰ
   ਪଌ΍ࢥ͍ࠐΈ͸ؒҧؚ͍͕·
   ΕΔʢ౎ࢢ఻આʣ
   આ໌Ͱ͖ͳ͍ͱۤ࿑͢Δ
   ೔ৗతʹແཧͳ͘ߦ͏
   ʢߦ͑Δ͜ͱΛ΍Δʣ
   ύϑΥʔϚϯεʹ͍ͭͯͷ
   ݸਓతͳجຊݪଇ
   ଟ֯తͳ؍఺ ܭଌɾܧଓ
   
   

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8. ܭଌ͸ະڅిͰ
   $
   dumpsys battery unplug
   Current Battery Service state:
   (UPDATES STOPPED -- use 'reset' to restart)
   AC powered: false
   USB powered: false
   Wireless powered: false
   status: 2
   νϟʔδ͞Ε͍ͯΔͱ͖͸σόΠεͷৼΔ෣͍͕มΘΔ
   جຊతʹະڅిঢ়ଶͰ΍Δ
   ຊ౰ʹڅి͠ͳ͍ͷ͕ϕετ
   ແཧͳΒߋ৽ఀࢭঢ়ଶΛར༻ͯ͠ະڅిঢ়ଶΛ࡞Δ
   EVNQTZTCBUUFSZVOQMVH·ͨ͸TFUVTC
   ˞༻͕ࡁΜͩΒͪΌΜͱ໭͢͜ͱʢSFTFUʣΛ͓๨Εͳ͘
   
   

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9. VOQMVHͷޡղ
   EVNQTZTCBUUFSZVOQMVHʢ·ͨ͸TFUVTCʣ
   ͸%P[Fతʹ͸ະڅిঢ়ଶʹͳΔ
   ͔͠͠όοςϦʔͷεςʔλεʢ#BUUFSZ.BOBHFSʣ
   తʹ͸ߋ৽ఀࢭঢ়ଶͰ͋Δʹա͗ͳ͍
   Αͬͯɼະڅిͷঢ়ଶΛ࡞͔ͬͯΒߋ৽ఀࢭʹ͢Δ
   Α͘ͳ͛͞ɿ64#Ͱ"%#઀ଓߋ৽ఀࢭ
   Α͛͞ɿ8J'JͰ"%#઀ଓߋ৽ఀࢭ64#Ͱ"%#࠶઀ଓ
   $
   dumpsys battery unplug
   Current Battery Service state:
   (UPDATES STOPPED -- use 'reset' to restart)
   AC powered: false
   USB powered: false
   Wireless powered: false
   status: 2
   ˞࣮ͨͩ͠ࡍʹ͸څి͞Ε͍ͯΔͷͰݱ࣮ͷະڅిͱ͸ݫີʹ͸ҟͳΔ
   
   

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10. ΞϓϦ͕όοςϦʔΛ
    Ͳͷఔ౓ফඅ͢Δ͔ʁ
    ిྗফඅʹ͍ͭͯ
    1IPUPCZ8$/r#BUUFSZ3FDZMJOH$$#:
    
    
    

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11. ి஑ͷΏͱΓ͸৺ͷΏͱΓ
    ిྗফඅ͸΋ͬͱ΋ॏཁͳ
    ύϑΥʔϚϯεࢦඪ
    
    
    

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12. ࣭໰
    
    
    

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13. /FYVTͰ
    ΧϝϥͷϑϥογϡϥΠτ
    ΛҰ೔த఺౮͠ଓ͚ΔΞϓϦ
    Λ࡞Γ͍ͨ
    ࣮ݱՄೳ͔ʁ
    Ͱ͸൒೔ͳΒʁ࣌ؒͳΒʁ
    
    
    

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14. ϑϥογϡϥΠτͷফඅిྲྀ
    ֓ͶN"
    όοςϦʔ์ి༰ྔ
    N"I
    ཧ࿦্࣌ؒఔ౓ʢ˺ʣ
    
    ౰વͷ͜ͱͳ͕Βɼ࣮ࡍʹ͸ଞͷΞϓϦ΍ଞͷػثͷফඅిྗ
    ʹґଘ͢ΔͷͰߋʹݮΓ·͢ɽ
    /FYVTͷ৔߹
    
    

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15. ిྲྀফඅྔΛ஌Δʹ͸
    GSBNFXPSLSFTBQL
    Ϧιʔε܈ͷఆٛΛ͍ͯ͠ΔγεςϜ"1,
    TZTUFNGSBNFXPSLGSBNFXPSLSFTBQL
    SFTYNMQPXFS@QSPpMFYNM
    ফඅిྗྔΛఆٛͨ͠9.-ϑΝΠϧ
    GSBNFXPSLSFTBQL಺ʹ͋Δ
    
    
    

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16. 
    
    0
    82.75
    201.16
    804.85
    546.37
    51.55
    0.79
    3.5
    73.24
    75.48
    ɾɾɾ
    76.23
    185.19
    99.2
    
    4.8
    1.11
    
    
    ɾɾɾ
    
    2300
    ɾɾɾ
    
    ˞୯Ґ͸N"
    
    
    

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17. ফඅిྗͷ໨҆Λ೺Ѳɾཧղ
    /'$
    δϟΠϩ
    Ճ଎౓
    #MVFUPPUI
    8J'J
    ϥδΦ
    ి࿩
    Χϝϥ
    (14
    ࣓ؾ
    ϥΠτ
    όοςϦʔԹ౓
    ϚΠΫ
    λονύωϧ
    ϑΟϯΨʔϓϦϯτ
    ৺ഥ
    র౓
    ؾԹ
    ࣪౓
    ؾѹ
    ࠷ۙͷϋʔυ΢ΣΞػೳ
    w࠷ۙͷσόΠεͷϋʔυ΢ΣΞػೳ͸๛෋
    w༷ʑͳػೳͷෳ߹ʹΑͬͯిྗ͸ফඅ͞ΕΔ
    w֤ʑͲͷఔ౓ͷిྲྀফඅ͔Λ೺Ѳ͓ͯ͘͠
    wύϑΥʔϚϯεΛ࠷దԽ͢Δࡍͷେہ؍͕਎ʹͭ͘
    
    
    

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18. EVNQTZTCBUUFSZTUBUT
    ి஑ͷ৭ʑͳ৘ใΛݟΔ͜ͱ͕Ͱ͖Δ
    ͘͢͝ศར
    ຖ೔ோΊ͍ͯͯ΋๞͖ͳ͍Ϩϕϧ
    
    
    

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19. EVNQTZTCBUUFSZTUBUTDIBSHFE
    
    Discharge step durations:
    #0: +9m14s274ms to 68 (screen-off, power-save-off, device-idle-off)
    #1: +7m5s659ms to 69 (screen-off, power-save-off, device-idle-off)
    #2: +2m0s241ms to 70 (power-save-off, device-idle-off)
    #3: +2m8s447ms to 71 (power-save-off, device-idle-off)
    #4: +1m39s394ms to 72 (power-save-off, device-idle-off)
    #5: +5m10s71ms to 73 (power-save-off)
    #6: +6m27s339ms to 74 (screen-off, power-save-off, device-idle-off)
    #7: +5m54s489ms to 75 (screen-off, power-save-off, device-idle-off)
    ຖͷόοςϦʔফඅͷਪҠɾঢ়ଶ಺༁
    
    
    

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20. EVNQTZTCBUUFSZTUBUTDIBSHFE
    
    Current daily steps:
    Discharge total time: 8h 40m 19s 100ms (from 145 steps)
    Discharge screen off time: 12h 16m 59s 600ms (from 60 steps)
    Discharge screen off device idle time: 1d 0h 43m 42s 0ms (from 8 steps)
    Discharge screen on time: 3h 19m 41s 900ms (from 40 steps)
    Charge total time: 11h 43m 35s 200ms (from 104 steps)
    Charge screen off time: 2h 23m 33s 800ms (from 94 steps)
    Charge screen on time: 1h 29m 11s 200ms (from 3 steps)
    Daily from 2016-02-15-02-42-48 to 2016-02-16-01-08-18:
    Discharge total time: 8h 36m 37s 700ms (from 187 steps)
    Discharge screen off time: 17h 2m 15s 400ms (from 53 steps)
    Discharge screen off device idle time: 19h 16m 15s 600ms (from 12 steps)
    Discharge screen on time: 3h 9m 45s 600ms (from 64 steps)
    Charge total time: 8h 35m 34s 0ms (from 166 steps)
    Charge screen off time: 2h 0m 41s 400ms (from 119 steps)
    Charge screen on time: 19h 57m 59s 300ms (from 38 steps)
    ೔ʑͷαϚϦʔ
    
    
    

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21. EVNQTZTCBUUFSZTUBUTDIBSHFE
    
    Statistics since last charge:
    System starts: 0, currently on battery: false
    Time on battery: 1h 42m 37s 902ms (89.5%) realtime, 1h 42m 37s 902ms
    (89.5%) uptime
    Time on battery screen off: 1h 30m 51s 255ms (79.2%) realtime, 1h 30m 51s
    255ms (79.2%) uptime
    Total run time: 1h 54m 41s 669ms realtime, 1h 54m 41s 669ms uptime
    Charge time remaining: 1h 2m 45s 231ms
    Start clock time: 2016-02-16-16-40-35
    Screen on: 11m 46s 647ms (11.5%) 10x, Interactive: 11m 41s 48ms (11.4%)
    Screen brightnesses:
    dark 11m 46s 647ms (100.0%)
    Device idling: 2m 55s 41ms (2.8%) 1x
    Idle mode time: 2m 55s 41ms (2.8%) 1x
    Connectivity changes: 5
    ɾɾɾ
    લճͷνϟʔδ͔ΒͷαϚϦʔ
    
    
    

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22. EVNQTZTCBUUFSZTUBUTDIBSHFE
    
    Estimated power use (mAh):
    Capacity: 2300, Computed drain: 493, actual drain: 506-529
    Wifi: 135 ( cpu=0.0284 wifi=135 )
    Bluetooth: 68.9 ( cpu=64.3 wake=4.63 )
    Uid 0: 55.0 ( cpu=19.9 wake=20.9 radio=14.2 wifi=0.00000287 )
    Uid 1000: 34.6 ( cpu=33.2 wake=0.0925 radio=0.0325 gps=1.05
    sensor=0.208 )
    Uid u0a11: 32.8 ( cpu=12.3 wake=0.390 radio=19.7 wifi=0.0975 sensor=0.295
    )
    Uid u0a134: 32.5 ( cpu=32.5 )
    Uid u0a71: 22.2 ( cpu=9.39 wake=0.0718 radio=12.8 wifi=0.00000296 )
    Screen: 20.2
    Uid u0a81: 18.9 ( cpu=5.72 radio=13.2 sensor=0.00871 )
    ݱঢ়ͷిྗফඅͷ༧૝
    
    
    

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23. EVNQTZTCBUUFSZTUBUTDIBSHFE
    
    u0a119:
    Mobile network: 32.09KB received, 39.30KB sent (packets 268 received, 289
    sent)
    ɾɾɾ
    Foreground activities: 9s 84ms realtime (2 times)
    Foreground for: 35s 258ms
    Active for: 2h 2m 19s 713ms
    Total cpu time: u=7s 580ms s=3s 660ms p=0.769mAh
    Proc com.facebook.orca:
    CPU: 7s 70ms usr + 3s 340ms krn ; 3s 570ms fg
    2 starts
    ɾɾɾ
    ΞϓϦ͝ͱʢ'BDFCPPL.FTTFOHFSͷྫʣ
    ࣌ؒ෼ඵͷؒʹϑΥΞάϥ΢ϯυঢ়ଶ͸໿ඵ
    $16Λফඅ͍ͯͨ͠ͷ͸ɼඵఔ౓
    
    
    

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24. ݟΔͷ
    ΊΜͲ͍͘͞
    
    
    

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25. #BUUFSZ)JTUPSJBO
    
    

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26. #BUUFSZ)JTUPSJBO
    όοςϦʔফඅͷՄࢹԽπʔϧ
    ࠷৽൛͸ɼ(PMBOH͕ඞཁ
    μ΢ϯϩʔυ
    HPHFUVHJUIVCDPNHPPHMFCBUUFSZIJTUPSJBO
    DE(01"5)TSDHJUIVCDPNHPPHMFCBUUFSZIJTUPSJBO
    ίϯύΠϧ
    CBTITFUVQTI
    αʔόʔىಈσϑΥϧτ͸ϙʔτ
    HPSVODNECBUUFSZIJTUPSJBOCBUUFSZIJTUPSJBOHP
    ౷ܭ৘ใऔಘ
    BECCVHSFQPSUIPHFUYU
    IUUQMPDBMIPTUʹΞΫηεͯ͠ɼऔಘͨ͠౷ܭ৘ใ
    IPHFUYU
    ΛΞοϓϩʔυ͢Ε͹ݟΕΔ
    
    
    

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27. όοΫάϥ΢ϯυͰͷফඅ
    "OESPJEͷಛ௃ͱͯ͠
    ফඅిྗͷׂ͸
    ΞΠυϧ࣌ʹফඅ͞ΕΔ܏޲ Β͍͠
    
    όοΫάϥ΢ϯυͰͷফඅΛ
    ݮΒ͢͜ͱ͕େࣄ
    
    
    

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28. +PC4DIFEVMFS
    ి஑ʹ༏͍͠δϣϒ࣮ߦ"1* "OESPJE͔Β
    
    ి஑ʹ༏͍͠εέδϡʔϦϯά࣮ߦΛߦ͏"1*
    λεΫͷ#BDL0GG΍࣮ߦ৚݅ͳͲॊೈͳࢦఆ͕Մೳ
    ଈ࣌ੑͷͳ͍όοΫάϥ΢ϯυॲཧʹ࠷ద
    ࢖͑ΔͳΒ࢖Θͳ͍ख͸ͳ͍
    JobInfo uploadTask = new JobInfo.Builder(mJobId, mServiceComponent)

    .setRequiredNetworkCapabilities(JobInfo.NETWORK_TYPE_UNMETERED)

    .build();

    

    JobScheduler jobScheduler =

    (JobScheduler)
    context.getSystemService(Context.JOB_SCHEDULER_SERVICE);

    jobScheduler.schedule(uploadTask);

    
    
    

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29. ($./FUXPSL.BOBHFS
    +PC4DIFEVMFSͷ୅ΘΓʹ࢖͑Δδϣϒ"1*
    +PC4DIFEVMFS͸Ҏ߱͜Ε͸͔Βར༻Մ
    (PPHMF1MBZ4FSWJDFTඞਢ
    ($.ϥΠϒϥϦʹґଘ͢Δ
    ͨͩ͠($.ͷػೳΛ࢖͍ͬͯͳ͍ΞϓϦͰ΋࢖͑Δ
    mGcmNetworkManager = GcmNetworkManager.getInstance(this);
    OneoffTask task = new OneoffTask.Builder()
    .setService(MyTaskService.class)
    .setTag(TASK_TAG_WIFI)
    .setExecutionWindow(0L, 3600L)
    .setRequiredNetwork(Task.NETWORK_STATE_UNMETERED)
    .build();
    mGcmNetworkManager.schedule(task);
    
    
    

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30. IUUQEFWFMPQFSBOESPJEDPNJOUMKBUSBJOJOHNPOJUPSJOHEFWJDFTUBUFEP[FTUBOECZIUNM
    %P[F'SBNFXPSL
    ফඅిྗ࡟ݮͷ࢓૊Έ "OESPJE͔Βʣ
    
    ໌ࣔతͳλΠϜεϩοτΛׂΓ౰ͯͯόοΫάϥ΢ϯυ
    ͰͷڍಈΛ੍ݶ͢Δ͜ͱͰফඅిྗΛ࡟ݮ͢Δ
    
    
    

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31. IUUQEFWFMPQFSBOESPJEDPNJOUMKBUSBJOJOHNPOJUPSJOHEFWJDFTUBUFEP[FTUBOECZIUNM
    %P[F'SBNFXPSL
    ফඅిྗ࡟ݮͷ࢓૊Έ "OESPJE͔Βʣ
    
    ໌ࣔతͳλΠϜεϩοτΛׂΓ౰ͯͯόοΫάϥ΢ϯυ
    ͰͷڍಈΛ੍ݶ͢Δ͜ͱͰফඅిྗΛ࡟ݮ͢Δ
    %P[Fʹ͍ͭͯ͸ɼ
    த੢ྑ໌ !DIVO@SZP
    ͞Μͷ
    ࡢ೔ͷεϥΠυ͕Θ͔Γ΍͍͢ͷͰ
    ͦΕΛݟΔͷ͕͍͍ͱࢥ͍·͢ʂ
    "OESPJEͷলిྗʹ͍ͭͯߟ͑Δ
    IUUQTHPPHMZY#:0)
    
    
    

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32. *%-&
    ˞*%-&த͸༷ʑͳ΋ͷ͕ࢭ·Δ
    %P[Fͷঢ়ଶ֓ཁ
    "$5*7& */"$5*7&
    *%-&@1&/%*/(
    *%-&@."*/5&/"/$&
    ˞ॲཧՄೳͳ࿮
    Ұఆ࣌ؒܦաʢ෼ʣ
    Ұఆ࣌ؒܦաʢ෼ʣ
    Ұఆ࣌ؒܦաঃʑʹ௕͘ͳΔ
    ʢ࣌ؒɼ࣌ؒʜ࣌ؒʣ
    ը໘Λ͚ͭͨ
    ʜͳͲ
    ը໘Λফͨ͠
    "MBSN.BOBHFS
    ωοτϫʔΫ
    4ZOD"EBQUFS
    +PC4DIFEVMFS
    FUD
    
    
    

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33. ঢ়ଶͷ֬ೝ
    $ dumpsys deviceidle
    Settings:
    inactive_to=+30m0s0ms
    sensing_to=+4m0s0ms
    locating_to=+30s0ms
    location_accuracy=20.0m
    motion_inactive_to=+10m0s0ms
    idle_after_inactive_to=+30m0s0ms
    idle_pending_to=+5m0s0ms
    max_idle_pending_to=+10m0s0ms
    idle_pending_factor=2.0
    idle_to=+60m0s0ms
    max_idle_to=+6h0m0s0ms
    idle_factor=2.0
    min_time_to_alarm=+60m0s0ms
    max_temp_app_whitelist_duration=+5m0s0ms
    mms_temp_app_whitelist_duration=+60s0ms
    sms_temp_app_whitelist_duration=+20s0ms
    Whitelist (except idle) system apps:
    com.android.providers.downloads
    com.android.vending
    com.google.android.gms
    Whitelist system apps:
    com.google.android.gms
    Whitelist user apps:
    foo.bar.baz
    Whitelist (except idle) all app ids:
    10008
    10011
    10020
    10150
    Whitelist all app ids:
    10011
    10150
    mEnabled=true
    mForceIdle=false
    mSigMotionSensor={Sensor name="Significant Motion
    Detector", vendor="QTI", version=1, type=17,
    maxRange=1.0, resolution=1.0, power=0.3999939,
    minDelay=-1}
    mCurDisplay=Display id 0: DisplayInfo{"಺ଂεΫϦʔ
    ϯ", uniqueId "local:0", app 1080 x 1776, real 1080
    x 1920, largest app 1794 x 1704, smallest app 1080
    x 1008, mode 1, defaultMode 1, modes [{id=1,
    width=1080, height=1920, fps=60.0}], rotation 0,
    density 480 (442.451 x 443.345) dpi, layerStack 0,
    appVsyncOff 7500000, presDeadline 12666667, type
    BUILT_IN, state OFF, FLAG_SECURE,
    FLAG_SUPPORTS_PROTECTED_BUFFERS},
    DisplayMetrics{density=3.0, width=1080,
    height=1776, scaledDensity=3.0, xdpi=442.451,
    ydpi=443.345}, isValid=true
    mScreenOn=false
    mCharging=false
    mSigMotionActive=false
    mSensing=false mNotMoving=false
    mLocating=false mHaveGps=true mLocated=false
    mState=INACTIVE
    mInactiveTimeout=+30m0s0ms
    mNextAlarmTime=+20m51s734ms
    
    
    

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34. ڧ੍ঢ়ଶભҠ
    $ dumpsys deviceidle step
    Stepped to: ACTIVE
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: IDLE_PENDING
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: SENSING
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: LOCATING
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: IDLE
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: IDLE_MAINTENANCE
    
    
    

    View Slide

35. ڧ੍ঢ়ଶભҠ
    $ dumpsys deviceidle step
    Stepped to: ACTIVE
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: IDLE_PENDING
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: SENSING
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: LOCATING
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: IDLE
    shell@hammerhead:/ $ dumpsys deviceidle step
    Stepped to: IDLE_MAINTENANCE
    %P[Fʹ͍ͭͯ͸ɼ
    த੢ྑ໌ !DIVO@SZP
    ͞Μͷ
    ࡢ೔ͷεϥΠυ͕Θ͔Γ΍͍͢ͷͰ
    ͦΕΛݟΔͷ͕͍͍ͱࢥ͍·͢ʂ
    "OESPJEͷলిྗʹ͍ͭͯߟ͑Δ
    IUUQTHPPHMZY#:0)
    
    
    

    View Slide

36. 6*ʹ͍ͭͯ
    
    

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37. ଟ͘ͷύϑΥʔϚϯεࢦඪ͸
    6*ʹؼ݁͠ɼݦࡏԽ͢Δ
    
    
    

    View Slide

38. ࣌ؒͱར༻ऀͷ൓Ԡͷࢦඪ
    ஗Ԇ࣌ؒ ར༻ऀͷ൓Ԡ
    NT *OTUBOU
    NT 'FFMTMVHHJTI
    NTT .BDIJOFJTXPSLJOH
    T .FOUBMDPOUFYUTXJUDI
    T *`MMDPNFCBDLMBUFS
    #SFBLJOHUIFNT5JNFUP(MBTT.PCJMF#BSSJFSIUUQTXXXZPVUVCFDPNXBUDI W*MTX(G504.
    NTҎԼΛอ͍ͬͯΕ͹ɼར༻ऀʹ଎͍ͱײͤ͡͞Δ
    ඵҎԼΛอ͍ͬͯΕ͹ɼར༻ऀͷूதྗΛอͯΔ
    
    
    

    View Slide

39. ϨϯμϦϯάͷྺ࢙
    (JOHFS#SFBEҎલ
    )POFZDPNC
    *$4
    +FMMZ#FBO
    $16࢖༻
    ϋʔυ΢ΣΞΞΫηϥϨʔγϣϯͷ
    ௥Ճ
    ϋʔυ΢ΣΞΞΫηϥϨʔγϣϯ͕
    σϑΥϧτʹ
    74:/$ʹΑΔϑϨʔϜ࠷దԽ
    
    
    

    View Slide

40. ϨϯμϦϯάͷྺ࢙
    (JOHFS#SFBEҎલ
    )POFZDPNC
    *$4
    +FMMZ#FBO
    $16࢖༻
    ϋʔυ΢ΣΞΞΫηϥϨʔγϣϯͷ
    ௥Ճ
    ϋʔυ΢ΣΞΞΫηϥϨʔγϣϯ͕
    σϑΥϧτʹ
    74:/$ʹΑΔϑϨʔϜ࠷దԽ
    ͜ͷ͋ͨΓ͸
    ֓ͶGQTͰඳը
    
    
    

    View Slide

41. +BOL
    4LJQQFEGSBNFT5IFBQQMJDBUJPONBZ
    CFEPJOHUPPNVDIXPSLPOJUTNBJOUISFBE
    ࠷ۙͷଟ͘ͷσόΠεͰ͸GQTͰඳը͞ΕΔͱࢥͬͯΑ͍
    ͭ·ΓNTʹ͖ͭճ
    ϨϯμϦϯά͕ؒʹ߹Θͳ͚Ε͹ɼ+BOL͕ൃੜ͢Δ
    +BOL͕ൃੜ͢ΔͱɼϑϨʔϜ͕εΩοϓ͞ΕΔ
    ଟ͘ͷ৔߹ɼΞχϝʔγϣϯͷলུ΍δϟϯϓͱ͍͏ܗͰ
    ར༻ऀʹݟ͑ΔʢϦετ͕Χλͭ͘ͳͲʣ
    +BOLΛආ͚ΔʢݮΒ͢ʣ͜ͱ͕େࣄ
    
    
    

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42. 7JFXͷϨϯμϦϯά
    .FBTVSF
    ஈ֊
    -BZPVU
    %SBX
    
    
    

    View Slide

43. 7JFXͷϨϯμϦϯά
    .FBTVSF
    )JFSBSDIZ7JFXFSͰ
    ՄࢹԽՄೳ
    -BZPVU
    %SBX
    
    
    

    View Slide

44. ωετʹΑΔ3FNFBTVSF
    w%SBXʹ࠷΋͕͔͔࣌ؒΔঢ়ଶ͕Ұൠత
    w.FBTVSF͕஗͍৔߹͸ରࡦ͢ΔՁ஋͋Γ
    wݪҼ͸େ఍ϨΠΞ΢τͷωετ
    ˞3FMBUJWF-BZPVU΍-JOFBS-BZPVUΛॏͶΔͱ.FBTVSF
    ͕ෳ਺ճ࣮ߦ͞ΕΔ͜ͱʹΑΔ
    .FBTVSFNT
    -BZPVUNT
    %SBXNT
    .FBTVSFNT
    -BZPVUNT
    %SBXNT
    ྫʣ
    ωετͨ͠ঢ়ଶ վળޙ
    
    
    

    View Slide

45. 0WFSESBXͷճආ
    w%SBX͕஗͍৔߹͸0WFSESBXΛٙ͏ͷΑ͍ʢΑ͔ͬͨʣ
    0WFSESBXଞͷ7JFX͕ඳըͨ͠ྖҬΛผͷ7JFX͕͞Βʹඳը͢Δ͜ͱ
    w։ൃऀ޲͚Φϓγϣϯ(16ΦʔόʔυϩʔΛσόοά
    w੺ͬΆ͍ը໘͔Β੨͘͢ΔͷΛؤுΕ͹ഒ͘Β͍͸଎͘Ͱ͖Δҹ৅ʢݸਓతʹ͸ʣ
    w,JULBUҎ߱Ͱ͸ɼ୯७ͳ0WFSESBX͸ࣗಈతʹແࢹ͢ΔΑ͏ʹͳͬͨͷͰɼ
    ͦΕ΄Ͳਆܦ࣭ʹͳΒͳͯ͘΋͍͍
    w)JFSBSDIZ7JFXFSͰ14%ϑΝΠϧʹग़ྗͯ֬͠ೝ͢Δํ๏΋͓͢͢Ί
    IUUQEFWFMPQFSBOESPJEDPNJOUMKBUPPMTQFSGPSNBODFEFCVHHQVPWFSESBXJOEFYIUNM
    
    
    

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46. (16ͷϓϩϑΝΠϧ
    w։ൃऀ޲͚Φϓγϣϯ(16ϨϯμϦϯάͷϓϩϑΟʔϧ࡞੒
    wը໘Լ෦ʹόʔ͕දࣔ
    NTͷϘʔμʔ
    ֓Ͷ͜ΕΑΓԼʹऩ·͍ͬͯΕ͹
    ໰୊ͳ͠
    ৭ આ໌
    ੨ 7JFXͷੜ੒ɽ7JFXͷݸ਺΍PO%SBXͷॲཧʹґଘ
    ࢵ ඳը͢ΔϦιʔεͷసૹ
    ᒵ (16ͷॲཧΛ$16͕଴͍ͬͯΔ࣌ؒ
    ྘ 74:/$ͷ஗Ԇ
    ੺ (16ʹΑΔඳը࣮ߦ
    
    
    

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47. EVNQTZTHGYJOGP
    
    wඳըঢ়گΛग़ྗ͢Δ
    w.BSTINBMMPX͔Βɼ+BOLͷ৘ใ͕ग़ΔΑ͏ʹͳͬͨͷͰΦεεϝ
    $ dumpsys gfxinfo com.android.chrome
    Applications Graphics Acceleration Info:
    Uptime: 597531242 Realtime: 711924124
    ** Graphics info for pid 20066 [com.android.chrome] **
    Stats since: 285971726390ns
    Total frames rendered: 105823
    Janky frames: 7544 (7.13%)
    90th percentile: 12ms
    95th percentile: 20ms
    99th percentile: 61ms
    Number Missed Vsync: 3695
    Number High input latency: 107
    Number Slow UI thread: 5179
    Number Slow bitmap uploads: 180
    Number Slow issue draw commands: 1409
    
    
    

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48. EVNQTZTHGYJOGP
    
    wGSBNFTUBUTΦϓγϣϯΛ͚ͭΔ͜ͱͰ$47ʹग़ͤΔ
    ԿΒ͔ͷใࠂΛ͍ͨ͠ਓʹΑ͛͞
    $ dumpsys gfxinfo com.android.chrome frmaestats
    ɽɽɽ
    ---PROFILEDATA---
    Flags,IntendedVsync,Vsync,OldestInputEvent,NewestInputEvent,HandleInputStart,AnimationStart,PerformTrave
    rsalsStart,DrawStart,SyncQueued,SyncStart,IssueDrawCommandsStart,SwapBuffers,FrameCompleted,
    0,595038370692748,595038370692748,9223372036854775807,0,595038370998175,595038371018280,595038371255675,
    595038371318227,595038371326092,595038371355467,595038371667707,595038373518852,595038373844217,
    0,595038387481465,595038387481465,9223372036854775807,0,595038387827706,595038387848696,595038388113904,
    595038388181821,595038388189216,595038388236925,595038388494320,595038390478436,595038390783332,
    0,595038404272433,595038404272433,9223372036854775807,0,595038404522185,595038404542810,595038404809529,
    595038404879217,595038404887081,595038404917290,595038405425154,595038407567081,595038407916821,
    0,595233182608257,595233199274924,9223372036854775807,0,595233201683778,595233201726121,595233201728153,
    595233214312788,595233220404767,595233220450288,595233220741903,595233290040757,595233290859559,
    1,595235671142934,595236071142942,9223372036854775807,0,595236084183776,595236084205599,595236106287943,
    595236126082787,595236126169453,595236126566641,595236126672682,595236129216953,595236130180860,
    1,595236090534104,595236323867442,9223372036854775807,0,595236326619401,595236326636120,595236326638047,
    595236330241589,595236330841797,595236330879245,595236331001693,595236332922995,595236333575912,
    0,595237933959311,595237983959312,9223372036854775807,0,595237992574870,595237992595599,595237992676172,
    595238031718463,595238032300963,595238032443463,595238032605442,595238042187942,595238043794505,
    0,595494486956219,595494753622891,9223372036854775807,0,595494765734667,595494765754927,595494765826177,
    595494765886802,595494767907948,595494767962115,595494768232479,595494769174094,595494777457427,
    0,595494788518428,595494805185095,9223372036854775807,0,595494815020136,595494815039355,595494815142480,
    595494815200240,595494815479407,595494815512375,595494815607375,595494843050657,595494847498313,
    0,595498141914317,595498141914317,9223372036854775807,0,595498142255708,595498142269979,595498142339406,
    
    
    

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49. ͦͷଞ
    1IPUPCZ#SJBO5VSOFSr.FNPSZ$$#:
    1IPUPCZBMMJTPO@EDrOFUXPSL$$#:
    1IPUPCZ$ISJT.D$MBOBIBOrDQV$$#:
    ௨৴ ϝϞϦ ϓϩηοα
    
    
    
    

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50. ௨৴ͷ࠷దԽ
    ຊ֨తʹऔΓ૊Ήʹ͸͔ͳΓ೉͍͠ҹ৅
    ೉͍͠ཧ༝ɿ
    wηϧϥʔ ( (
    ͱ8J'JͷϨΠςϯγʔ΍ফඅిྗͷҧ͍
    w௨৴ϓϩτίϧͷҧ͍
    wαʔόʔʹ΋ґଘ͢ΔʜͳͲ
    ݸਓతͳ͓खܰΞϓϩʔνͱͯ͠͸ʜ
    wΑ͍௨৴ϥΠϒϥϦΩϟογϡϥΠϒϥϦΛ࢖͏
    wΑ͍ϓϩτίϧΛ࢖͏
    wΑ͍αʔόʔʢϓϩμΫτʣΛ࢖͏
    wͦͷ্Ͱଌఆ͠ɼ໰୊͕͋Ε͹վળΛߟ͑Δ
    
    
    

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51. "55"30
    "QQMJDBUJPO3FTPVSDF0QUJNJ[FS
    "55੡ͷ௨৴࠷దԽπʔϧ
    SPPUFEཁ
    ͔ͳΓΦεεϝ
    ͜ΕͰάϦʔϯʹͳ͍ͬͯͳ͍ՕॴΛݟΕ͹͍͍ͷͰ؆୯
    IUUQTEFWFMPQFSBUUDPNBQQMJDBUJPOSFTPVSDFPQUJNJ[FS
    
    
    

    View Slide

52. "30ͷධՁ߲໨
    'JMF%PXOMPBE5FYU'JMF$PNQSFTTJPO
    'JMF%PXOMPBE%VQMJDBUF$POUFOU
    'JMF%PXOMPBE$BDIF$POUSPM
    'JMF%PXOMPBE$POUFOU&YQJSBUJPO
    'JMF%PXOMPBE$PNCJOF+4BOE$443FRVFTUT
    'JMF%PXOMPBE3FTJ[F-BSHF*NBHFTGPS.PCJMF
    'JMF%PXOMPBE.JOJGZ$44 +4 +40/BOE)5.-
    'JMF%PXOMPBE6TF$444QSJUFTGPS*NBHFT
    $POOFDUJPOT$POOFDUJPO0QFOJOH
    $POOFDUJPOT6OOFDFTTBSZ$POOFDUJPOT
    .VMUJQMF4JNVMUBOFPVT$POOFDUJPOT
    $POOFDUJPOT*OF⒏DJFOU$POOFDUJPOT1FSJPEJD
    5SBOTGFST
    $POOFDUJPOT*OF⒏DJFOU$POOFDUJPOT4DSFFO3PUBUJPO
    $POOFDUJPOT*OF⒏DJFOU$POOFDUJPOT$POOFDUJPO
    $MPTJOH1SPCMFNT
    $POOFDUJPOT )5514UBUVT3FTQPOTF$PEFT
    $POOFDUJPOT )5514UBUVT3FTQPOTF$PEFT
    $POOFDUJPOTSE1BSUZ4DSJQUT
    )5.-"TZODISPOPVT-PBEPG+BWB4DSJQUJO)5.-
    )5.-)5516TBHF
    )5.-'JMF0SEFS
    )5.-&NQUZ4PVSDFBOE-JOL"UUSJCVUFT
    )5.-'-"4)
    )5.-EJTQMBZOPOFJO$44
    0UIFS"DDFTTJOH1FSJQIFSBM"QQMJDBUJPOT
    ༷ʑͳ௨৴ͷ౷ܭͷऩूɾՄࢹԽ΍
    ౷ܭͱରԠͨ͠ૢ࡞ͷ࿥ը΋Մೳ
    
    
    

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53. ϝϞϦͷ࠷దԽ
    ͜Ε΋௨৴ͱಉ༷ʹຊ֨తʹऔΓ૊Ήʹ͸
    ͔ͳΓ೉͍͠
    ೉͍͠ཧ༝ɿ
    w($ͷ࢓૊Έͷࠩҟ 458ฒྻ($"35$PNQBDUJOH($
    
    wϝϞϦྖҬͷछྨͷҧ͍
    wσόΠεɾόʔδϣϯʹΑΔϝϞϦ༰ྔͷҧ͍ͳͲ
    ݸਓతͳ͓खܰΞϓϩʔνͱͯ͠͸ʜ
    w($ʹΑΔQBVTFͦͷ΋ͷ͸ ͋Μ·Γ
    ݟͳ͍
    6*͕े෼ʹඳըͰ͖͍ͯΕ͹͍͍ͨͯେৎ෉
    wϝϞϦϦʔΫ͚ͩ͸ͪΌΜͱݟ͓ͯ͘
    
    
    

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54. EVNQTZTNFNJOGP
    Applications Memory Usage (kB):
    Uptime: 616002857 Realtime: 730459424
    Total PSS by process:
    201166 kB: com.android.systemui (pid 937 / activities)
    114038 kB: system (pid 788)
    ɾɾɾɾ
    Total PSS by OOM adjustment:
    66898 kB: Native
    23130 kB: surfaceflinger (pid 195)
    9378 kB: mediaserver (pid 202)
    ɾɾɾ
    114038 kB: System
    114038 kB: system (pid 788)
    ɾɾɾ
    Total PSS by category:
    505426 kB: Native
    331750 kB: Dalvik
    134928 kB: EGL mtrack
    ɾɾɾ
    Total RAM: 1899508 kB (status normal)
    Free RAM: 597234 kB (293778 cached pss + 245048 cached kernel + 58408 free)
    Used RAM: 1299589 kB (1077869 used pss + 221720 kernel)
    Lost RAM: 2685 kB
    Tuning: 192 (large 512), oom 184320 kB, restore limit 61440 kB (high-end-gfx)Uid u0a71: 22.2 ( cpu=9.39 wake=0.0718
    radio=12.8 wifi=0.00000296 )
    Screen: 20.2
    ɾɾɾ
    σόΠεશମͷϝϞϦ࢖༻ྔͷαϚϦ
    
    
    

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55. EVNQTZTNFNJOGP
    ** MEMINFO in pid 1551 [com.android.chrome] **
    Pss Private Private Swapped Heap Heap Heap
    Total Dirty Clean Dirty Size Alloc Free
    ------ ------ ------ ------ ------ ------ ------
    Native Heap 70976 70612 0 0 96896 82824 14071
    Dalvik Heap 6046 5944 0 0 25556 19628 5928
    Dalvik Other 1276 1276 0 0
    Stack 484 484 0 0
    Ashmem 1008 68 0 0
    Other dev 9 0 8 0
    .so mmap 514 160 0 0
    .apk mmap 4099 1548 2204 0
    .ttf mmap 0 0 0 0
    .dex mmap 423 4 408 0
    .oat mmap 510 0 8 0
    .art mmap 1292 1092 0 0
    Other mmap 10 8 0 0
    Unknown 281 280 0 0
    TOTAL 86928 81476 2628 0 122452 102452 19999
    ࢦఆͨ͠ϓϩηε*%ͷϝϞϦ࢖༻ঢ়گ
    
    
    

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56. EVNQTZTQSPDTUBUT
    AGGREGATED OVER LAST 3 HOURS:
    System memory usage:
    SOff/Norm: 1 samples:
    Cached: 133MB min, 133MB avg, 133MB max
    Free: 44MB min, 44MB avg, 44MB max
    ZRam: 0.00 min, 0.00 avg, 0.00 max
    Kernel: 220MB min, 220MB avg, 220MB max
    Native: 65MB min, 65MB avg, 65MB max
    ɾɾɾ
    Per-Package Stats:
    * com.android.chrome / u0a37 / v256409501:
    * com.android.chrome / u0a37 / v256409501:
    TOTAL: 19% (94MB-131MB-144MB/90MB-126MB-137MB over 18)
    Top: 19% (94MB-131MB-144MB/90MB-126MB-137MB over 18)
    Service: 0.03%
    (Last Act): 3.5% (67MB-83MB-91MB/64MB-80MB-87MB over 4)
    (Cached): 78% (65MB-93MB-111MB/62MB-90MB-107MB over 19)
    ɾɾɾ
    ࢦఆͨ͠ΞϓϦͷ
    ௚ۙ࣌ؒɼ௚ۙ࣌ؒͷϝϞϦ࢖༻ঢ়گ౷ܭ
    ʢεΫϦʔϯΦϯ࣌ɼΦϑ࣌ͳͲෳ਺ͷ࣠Ͱʣ
    
    
    

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57. ϝϞϦϦʔΫͷݕग़
    )FBQEVNQ
    "MMPDBUJPO5SBDLFS
    .FNPSZ"OBMZ[FS5PPM ."5
    ͳͲ͕Ԧಓ
    
    
    

    View Slide

58. ݸਓతͳΦεεϝ͸-FBL$BOBSZ
    IUUQTDPSOFSTRVBSFVQDPNMFBLDBOBSZIUNM
    w4RVBSF੡IUUQTHJUIVCDPNTRVBSFMFBLDBOBSZ
    w͔ͳΓखܰʹߴਫ਼౓ͳϝϞϦϦʔΫݕग़͕Մೳ
    wΞϓϦʹͪΐͬͱͨ͠ܭଌίʔυΛ࢓ࠐΉඞཁ͕͋Δ
    ίʔυΛ࢓ࠐΜͰ΋͍͍ঢ়گͳΒ࢖Θͳ͍ख͸ͳ͍
    
    
    

    View Slide

59. PO5SJN.FNPSZ
    ˞ࢲ͸࢖Θͳ͍೿Ͱ͢
    ࢖͍ͬͯΔਓ͍·͔͢ʁ
    
    
    

    View Slide

60. $16࠷దԽ
    
    ͱݴͬͯ΋ʜ
    w ۙ೥ͷ"3.ϕʔεͷνοϓηοτͰ͸ॲཧ͢ΔλεΫ
    ʹΑׂͬͯΓ౰ͯΔ$16Λม͑ΔܗʢCJH-*55-&Ξʔ
    ΩςΫνϟʔʣ͕ओྲྀɽΫϩοΫप೾਺΋࠷దԽ͞ΕΔ
    w ΋͸΍ҰൠతͳΞϓϦέʔγϣϯͰ͸$16ͷ࠷దԽΛ
    ։ൃऀ͕ҙࣝ͠ͳ͘ͱ΋ࡁΉΑ͏ʹͳ͖͍ͬͯͯΔ࣌୅
    ݸਓతʹ͸ΞϓϦ։ൃऀͱͯ͠͸
    ओʹ"/3΍KBOLΛ๷͙໨తͰΞϓϦͷϓϩηε΍
    εϨου͕ͲͷΑ͏ʹ$16Λར༻͍ͯ͠Δ͔Λ
    ೺Ѳ͓͚ͯ͠͹Α͍ͱࢥΘΕΔ
    
    
    

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61. EVNQTZTDQVJOGP
    adb shell dumpsys cpuinfo
    Load: 10.04 / 9.82 / 10.0
    CPU usage from 21308ms to 470ms ago with 99% awake:
    38% 12248/com.quicinc.trepn: 29% user + 8.4% kernel / faults: 92026
    minor
    18% 195/surfaceflinger: 12% user + 6.6% kernel
    8.3% 1891/com.google.android.gms.persistent: 7.7% user + 0.5%
    kernel / faults: 2353 minor
    3.8% 788/system_server: 2.1% user + 1.7% kernel / faults: 59 minor
    ɾɾɾ
    47% TOTAL: 32% user + 13% kernel + 0.9% iowait + 0.1% softirq
    σόΠεશମͷ$16࢖༻ঢ়گ
    ௚ۙ෼෼෼ͷϩʔυঢ়گ
    ௚ۙඵͷ֤ϓϩηε͝ͱͷར༻ঢ়گ
    ˞ಉ༷ͷ͜ͱ͸։ൃऀ޲͚Φϓγϣϯ$16࢖༻ঢ়گΛදࣔͰ΋Մ
    
    
    

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62. 4ZTUSBDF
    $16ར༻ঢ়گΛՄࢹԽ͢ΔԦಓͷπʔϧ
    +BOL΋Θ͔Γ΍͍͢
    IUUQEFWFMPQFSBOESPJEDPNJOUMKBUPPMTEFCVHHJOHTZTUSBDFIUNM
    
    
    

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63. 5SFQO1PXFS1SPpMFS
    w 2VBMDPNN੡ͷϓϩϑΝΠϦϯάπʔϧ
    IUUQTEFWFMPQFSRVBMDPNNDPNTPGUXBSFUSFQOQPXFSQSPpMFS
    
    w 2VBMDPNNϓϩηοαͷσόΠεͰ͔͠ಈ࡞͠ͳ͍
    ͕ɼର৅σόΠεͳΒ͔ͳΓৄ͍͠৘ใΛखܰʹಘΒ
    ΕΔ
    w $16΍(16ͷ৘ใʹؔͯ͠͸ݸਓతʹ͓͢͢Ί
    w ϝϞϦ΍௨৴ʢ#MVFUPPUI΋ʣ΋ՄࢹԽՄೳ
    
    
    

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64. ࠷ޙʹ
    
    
    

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65. ඇػೳΛؤுΖ͏
    ඇػೳ͸೔ӄऀɽɽɽ͕ͩ
    ඇػೳΛؤுΕΔ͔Ͳ͏͔͕σϕϩούʔͱͯ͠ͷ
    Ձ஋Λେ͖͘ࠨӈ͢Δʢؾ͕͢Δʣ
    
    ෳ਺ͷ؍఺ͰݟΔ͜ͱ͕େࣄ
    ϞόΠϧσόΠεͱ͸ͦ͏͍͏΋ͷ
    ਪଌ͸͋·ΓΞςʹͳΒͳ͍ɽՄࢹԽɼܭଌେࣄ
    ੵΈॏͶେࣄ
    ෦԰ͷ૟আͱҰॹ
    ຖ೔গͣͭ͠ؾΛ͚͍ͭͯΕ͹៉ྷͳ··
    গͣͭ͠Ͱ΋ܧଓ͢ΔʢܧଓͰ͖Δ͜ͱΛ͢Δʣ
    
    
    

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66. ͋Γ͕ͱ͏͍͟͝·ͨ͠
    ๻͕৺͔Β௒Ұྲྀͱࢥ͏ਓ͸Ͳ͏ੜ͖ͨͷ͔ɻ
    ΈΜͳɺখརޱͳ͜ͱͳͲͤͣɺಷ͍͘͜͞ͱΛͻͨΉ͖ʹ΍Γɺ
    όΧͩͱ͍ΘΕͨ࣌ظ͕͋ͬͨɻ
    ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ੢ᖒ५Ұʢ൒ಋମ޻ֶऀʣ
    
    
    

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