Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Rustで作るLinuxトレーサ / libbpf-core-with-rust
Search
KONDO Uchio
April 27, 2021
Technology
1
1.2k
Rustで作るLinuxトレーサ / libbpf-core-with-rust
@RustのLT会 Shinjuku.rs #15
https://forcia.connpass.com/event/206698/
KONDO Uchio
April 27, 2021
Tweet
Share
More Decks by KONDO Uchio
See All by KONDO Uchio
大規模レガシーテストを 倒すための CI基盤の作り方 / #CICD2023
udzura
5
2.4k
Ruby x BPF in Action / RubyKaigi 2022
udzura
0
260
Narrative of Ruby & Rust
udzura
0
230
開発者生産性指標の可視化 / pepabo-four-keys
udzura
3
1.7k
Talk of RBS
udzura
0
450
Re: みなさん最近どうですか? / FGN tech meetup in 2021
udzura
0
790
Dockerとやわらかい仮想化 - ProSec-IT/SECKUN 2021 edition -
udzura
2
730
Device access filtering in cgroup v2
udzura
1
930
"Story of Rucy" on RubyKaigi takeout 2021
udzura
0
840
Other Decks in Technology
See All in Technology
datadog-distribution-of-opentelemetry-collector-intro
tetsuya28
0
130
歴代のWeb Speed Hackathonの出題から考えるデグレしないパフォーマンス改善
shuta13
6
540
結局QUICで通信は速くなるの?
kota_yata
9
7.5k
いま、あらためて考えてみるアカウント管理 with IaC / Account management with IaC
kohbis
2
450
Claude Codeは仕様駆動の夢を見ない
gotalab555
23
7.2k
新卒(ほぼ)専業Kagglerという選択肢
nocchi1
0
1k
LLM 機能を支える Langfuse / ClickHouse のサーバレス化
yuu26
9
2.7k
20250807_Kiroと私の反省会
riz3f7
0
280
UDDのススメ - 拡張版 -
maguroalternative
1
630
Amazon Bedrock AgentCoreのフロントエンドを探す旅 (Next.js編)
kmiya84377
1
160
2025新卒研修・Webアプリケーションセキュリティ #弁護士ドットコム
bengo4com
3
9.6k
AIは変更差分からユニットテスト_結合テスト_システムテストでテストすべきことが出せるのか?
mineo_matsuya
5
2.6k
Featured
See All Featured
The World Runs on Bad Software
bkeepers
PRO
70
11k
A Tale of Four Properties
chriscoyier
160
23k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k
jQuery: Nuts, Bolts and Bling
dougneiner
64
7.9k
The Straight Up "How To Draw Better" Workshop
denniskardys
236
140k
A Modern Web Designer's Workflow
chriscoyier
695
190k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
34
6k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
60k
BBQ
matthewcrist
89
9.8k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
110
20k
Typedesign – Prime Four
hannesfritz
42
2.8k
Transcript
F#1'ͱ͔͍͏ࠓྲྀߦͬͯΔͭ 6DIJP,POEP(.01FQBCP *OD 4IJOKVLVST 3VTUͰ࡞Δ-JOVYτϨʔα 1IPUPCZ)FSCFSU#JFTFSIUUQTQJYBCBZDPNJNBHFTJE
γχΞɾϓϦϯγύϧΤϯδχΞ ۙ౻ Ӊஐ࿕ / @udzura https://blog.udzura.jp/ Uchio Kondo ٕज़෦ ٕज़ج൫νʔϜ
@ GMOϖύϘ / Ԭ ΤϯδχΞΧϑΣʢԬࢢẂנจԽձؗʣ αϙʔλʔ Duolingo Diamond Leaguer 💎 #Rust #Ruby #mruby #Containers #eBPF #CRIU #Seccomp #RubyKaigi #CloudNativeDays #Zumba #γϨϯ #FitBoxing2
ࠓճ͢ͷҎ֎ʹ࡞ͬͨͷ •octx wίϚϯυҰൃͰࡶʹ(JU)VCͷBDUJWJUZΛ$47ʹͯ͘͠ΕΔͭ ͦͷ··#JH2VFSZͰϩʔυՄೳɻ wPDUPDSBC SFRXFTU UPLJP
5P$ w࡞Ζ͏ͱ͍ͯ͠Δπʔϧͷ wF#1'ͱ wࠓࠓͰ͖͍ͯΔͷ wMJCCQGSTͷ͍ํ w3VTUͰΑ͔ͬͨ
F#1'
F#1' wFYUFOEFE#FSLMFZ1BLFU'JMUFS w͔Β-JOVYͰಋೖʢݩͷ࣮-JOVYͰ͔Βʣ wMJCQDBQͰΘΕ͍͕ͯͨɺTFDDPNQͦͷଞΧʔωϧػೳͰར༻ w-JOVYΧʔωϧ෦Ͱಈ͘ϓϩάϥϜΛɺϢʔβϥϯυͰهड़ wػೳʹ੍ݶ͕͋ΓɺϑΟϧλϦϯάूܭ͕ओͳׂ wৄࡉʮ͓͍ͯͭ͘͠Α͘ͳΔF#1'ʯͰݕࡧ
F#1'ʹΑΔτϨʔα wF#1'ͷେ͖ͳ༻్ͷҰͭʹɺΧʔωϧ෦Ͱͷؔݺͼग़͠ ੩తͳΠϕϯτͳͲΛτϨʔε͠ɺूܭ͢Δ͜ͱ͕͋Δɻ w #4%4PMBSJTͰ͍͏%5SBDF wCQGUSBDFίϚϯυ #$$ #1'$PNQJMFS$PMMFDUJPO ͷ։ൃ IUUQXXXCSFOEBOHSFHHDPNCMPHCQGQFSGPSNBODFUPPMTCPPLIUNM
#1'$03& wͦΕ·Ͱͷ#1'πʔϧɺͦͷͰ#1'ϓϩάϥϜΛੜɺίϯύΠ ϧ͢ΔͳͲʢॊೈͰ͋Δ͕ʣΦʔόʔϔου͕͋ͬͨɻ wͦͷ݁Ռɺಈ࡞ʹDMBOHόΠφϦ͕ඞཁͩͬͨΓɺಋೖ͕ϋʔυ w͏গ͠खܰʹಈ͔ͤΔΑ͏ɺΧʔωϧͷܕใΛऔಘ͢Δ#5'ɺ $03& $PNQJMF0ODF 3VO&WFSZXIFSF ͳͲͷٕज़͕ग़ͯ͘Δ w$03&ʹͳΔͱϫϯόΠφϦπʔϧ
Χʔωϧͷઃఆ͍͔ͭ͘ ΛΠ ϯετʔϧ͢ΕτϨʔε͕Ͱ͖ΔΑ͏ʹɻ
࣮ͷྫ w#1'ͷϓϩάϥϜΛϏϧυ͢Δ $Ͱॻ͘ඞཁ͕͋ΔɻϓϩάϥϜͷҰ෦ ίϯύΠϧ࣌ͷΦϓγϣϯ
࣮ͷྫ w#1'ϓϩάϥϜͷΦϒδΣΫτ͔ΒTLFMʢϔομʣΛੜ͠ɺ Ϣʔβϥϯυͷ$ϓϩάϥϜ͔Β͑ΔΑ͏ʹ͢Δ CQGUPPMͱ͍͏ίϚϯυͰੜ ϓϩάϥϜͷόΠφϦࣗମ͕ϔομʹຒΊࠐ·ΕΔ
࣮ͷྫ wͦͷϔομΛͬͯόΠφϦπʔϧΛ࡞Δɻ w$ݴޠͰɻ wͪͳΈʹCDDͰͷSFGFSFODF࣮ w IUUQTHJUIVCDPNJPWJTPSCDDUSFFNBTUFSMJCCQGUPPMT
ग़དྷ্͕ͬͨόΠφϦͷΠϝʔδ Ϣʔβϥϯυ Χʔωϧ෦ ϓϩάϥϜʢϫϯόΠφϦʣ #1'ϓϩάϥϜ ϩʔυ σʔλΓऔΓ ϓϩάϥϜ ࣮ߦɾूܭ Φϓγϣϯͷղੳ
ग़ྗ Ճ #1' ࣮ߦ࣌ݕࠪ #1'.BQ 1FSGCV⒎FS ར༻ऀ
͜͜·Ͱͷͬ͘͟Γͨ͠·ͱΊ wF#1'͍ͬͯ͏-JOVYͷτϨʔαͳͲΛ࡞Δศརٕज़͕͋Δ wF#1'πʔϧɺҎલDMBOHͰͦͷͰίϯύΠϧ͍͕ͯͨ͠ɺ ࠷ۙϫϯόΠφϦͰΕΔΑ͏ʹͳͬͨ ཁ৽͍͠Χʔωϧ wͦ͏͢ΔͱίϚϯυϥΠϯπʔϧ෦ؚΊͯϫϯόΠφϦʹ͍ͨ͠ wͦͷSFGFSFODF࣮$ݴޠɻ$ݴޠɻ ʮ1SPEVDUJPOͰ#$$ΑΓMJCCQG #1'$03&Λ͏ํ͕ྑ͍ʯ
IUUQTJUJTLKIBUFOBCMPHDPNFOUSZͳͲࢀর
Ϣʔβϥϯυ$ݴޠͰ͋Δඞཁ wͬͯɺຊʹ͋Δʁ w$ݴޠͷ͠͞ wΦϓγϣϯύʔεҰͭͰจࣈྻͷѻ͍ʹۤ࿑͢Δ wͪΐͬͱͨ͜͠ͱͰෆ҆શͳίʔυ͕ wϝϞϦͷѻ͍͕ϝϞϦ͕ w#1'ϓϩάϥϜํͳ͍ʢWFSJpFS͋Δʣ͚ͲɺϢʔβϥϯυ $ͬͯେม͡Όͳ͍ʁ
ͦ͜Ͱ3VTU
ͭͬͨ͘ͷ
DPOUBJOFSUSBDFST wίϯςφؔͷτϨʔεʹಛԽͨ͠πʔϧ܈Λ࡞Ζ͏ͱ͍ͯ͠Δ w൚༻తͳͷ͢Ͱʹ͋ΔͷͰ w3VTU MJCCQGST w$03&ͳͷͰΧʔωϧ͕ ͔ͳΓ৽͘͠ͳ͍ͱͰ͕͢ IUUQTHJUIVCDPNVE[VSBDPOUBJOFSUSBDFSTɹ
DPOTUBU wίϯςφ୯ҐͰͷ γεςϜίʔϧݺͼग़͠ͷ ౷ܭΛදࣔ͢Δ
VOTIBSFTOPPQ wVOTIBSF ͱ͍͏ɺίϯςφΛ࡞͢Δ্ͰॏཁͳγεςϜίʔϧ ͷݺͼग़͠ͱɺͦͷϑϥάΛτϨʔε͢Δ
DPOCJPHSBQI wίϯςφ୯ҐͰɺCMPDL*0ͷঢ়گΛՄࢹԽ͢Δɻ wάϥϑදࣔͰͬͪΌ͚͗ͨ͢ͷͰɺ͏গ͠ݟ͍͢දࣔΛࠓޙ࣮ ͍ͨ͠ʜ
%FNP wDPOTUBU ࠓࢥ͏ͱQFSGͰͰ͖Δؾ ҰԠύϑΥʔϚϯεʹ༏ΕΔ ͣ ˞ಈըͲ͔͜ʹΞοϓ͠·͢
MJCCQGST
MJCCQGSTͱ wF#1'ͷػೳΛ͏গ͠ΞΫηε͘͢͠ϥοϓͨ͠ϥΠϒϥϦͱ͠ ͯMJCCQGͱ͍͏ͷ͕͋Δɻ w#1'ϓϩάϥϜͷϩʔυ w#1'.BQQFSGCV⒎FSͳͲσʔλͷΓऔΓͷΠϯλϑΣʔε wMJCCQG$ϥΠϒϥϦͳͷͰɺ3VTU͔Β͍ͨ͘͢͠ͷ͕ MJCCQGSTɻ
جຊతͳ͍ํ wCQGϓϩάϥϜΛॻ͘ w cargo libbpf buildͰίϯύΠϧͰ͖Δ w cargo libbpf genͰ3VTUͷTLFMΛੜ
w͋ͱͦͷTLFMΛͬͯ3VTUϓϩάϥϜΛॻ͘ wMJCCQGSTͷػೳʹՃ͑ͯɺTUSVDUPQU DUSMD BOZIPX ͦͷଞී௨ͷ 3VTUͷίϚϯυϥΠϯπʔϧͱͯ͠ϓϩάϥϜΛॻ͚0,
NBJOͷྫ ϏϧμʔΛܦ༝ͯ͠ TLFMΛ։͘ ύϥϝʔλΛೖΕͯ TLFMΛϩʔυɺΞλον F#1'ͷΠϯλϑΣʔε͔Β σʔλΛऔಘɺදࣔ
σʔλදࣔͷྫʢQFSGCV⒎FSʣ wσʔλදࣔ༻ͷίʔϧόοΫؔΛఆٛɻσʔλࣗମ&[u8]Ͱ ͬͯ͘ΔͷͰɺQMBJODSBUFͰมͷඞཁ͕͋Δɻ SFQS D ͳߏମʹ1MBJOΛ࣮
σʔλදࣔͷྫʢ#1'.BQʣ w#1'.BQͱ͍͏σʔλूੵମΛܦ༝ͯ͠ɺΧʔωϧͰूΊͨσʔλ ʹϢʔβϥϯυ͔ΒΞΫηεɺදࣔͰ͖Δɻ ߏମఆٛΛ$3VTUͰ߹ΘͤΔ LFZWBMVFͱʹ&[u8]ͳͷͰɺ͜͜Ͱม
Ϣʔβϥϯυ͔Β#1'.BQΛߋ৽ wඵຖʹΧϯλϦηοτ͢ΔΑ͏ͳϓϩάϥϜΛॻ͚Δɻ ॻ͚Δ͚ͲɺMap::update()͕LFZWBMVFͱʹ&[u8]Λཁٻ͢Δͷ Ͱɺ͜͜ม͔͠VOTBGF plain::as_bytes()ͰͰ͖Δ͚Ͳ
<3VTUϨΠϠϝϦοτ>
θϩίετநԽͷڧ͞ w؆ܿʹએݴతʹॻ͍ͯɺεϐʔυͷ͜ͱΛؾʹ͠ͳ͍͍ͯ͘ɺͱ͍ ͏ͷ͍͍ମݧɻ wΤϥʔΛResult<T, E>Ͱѻ͑Δ͚ͩͰੜ࢈ੑΊͬͪΌߴ͍ wͪΖΜϝϞϦʢجຊతʹʣ҆શ wίϚϯυϥΠϯπʔϧͰTUSVDUPQU͕͍͍ wͱʹ͔͘TUSVDUPQU͕͍͍ʢճʣ
๛ͳDSBUFΛ͑Δ wίΞͰͳ͍෦ͷ࠶ൃ໌ਏ͍ͷͰɺ͍͍ײ͡ͷ࣮ʹ͔ͬΓ͍ͨ wΦϓγϣϯύʔαɺ''*ɺՄࢹԽ wUFYUQMPUT͍͍ wDBSHP͕ͦͦ ͍͍ɺXZDBUT
''*ʹڧ͍ wࠓճͷMJCCQGͷΑ͏ʹɺ$ݴޠϕʔεʢ͔͠-JOVYΧʔωϧͱҰॹʹ ϝϯς͞Ε͍ͯΔʣͷͰ͔͍ϥΠϒϥϦΛૉʹ͑Δͷ͍͍ w3VTU$ͰߏମɺϙΠϯλΛΓͱΓ͍͢͠ͷॿ͔Δ w࣌ʹVOTBGFʹͳΔ͚Ͳ
ࠔͬͯΔ͜ͱͱ͔ࠓޙ
ࠓޙͷ՝ wͱ͍͑VOTBGF͕ଟ͍ؾ͕͢ΔɺͳΜͱ͔ͳΒͳ͍͔ͳ w1MBJODSBUFʹཔ͍ͬͯΔͱ͜ΖΛͬͱ͏·͘Ӆ͢ͱ͍͍ͷ͔ wͱ͍͏͔ɺMJCCQG@ST͕&[u8]Λཁٻ͗͢͠ w''*पΓͷػೳ·ͩௐ࢝Ί͔ͨΓͰɺ$ݴޠΈ͍ͨͳॻ͖ํʹ ͳͬͯ͠·͏ɻཁݚڀɻ
ͦͷଞΓ͍ͨ͜ͱ wπʔϧͱͯ͠͏গ͠খճΓΛྑ͍ͨ͘͠ɻ wΦϓγϣϯ૿ͨ͠Γɺͬͱ৭ʑͳϝτϦοΫΛऔΓ͍ͨ wӳޠͱ͔ͰهࣄΛॻ͍ͨํ͕ड͚ͦ͏ɻॻ͘ɻ w͋ͱɺࣗͰ͋·Γ͑ͯͳ͍ͷͰͬͯΈΔɻ