[B! eBPF] ButterflyFishã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

ButterflyFish id:ButterflyFish

eBPFã«é–¢ã™ã‚‹ButterflyFishã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (238)

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eBPF/XDPã§ãƒ‘ã‚±ãƒƒãƒˆå‡¦ç†ã‚’ã™ã‚‹ã¨ãã«ã‚„ã£ã¦ã‚‹ãƒ†ã‚¹ãƒˆæ–¹æ³•ã®ç´¹ä»‹ - BBSakura Networks Blog
ã“ã®è¨˜äº‹ã¯ BBSakura Networks Advent Calendar 2024 ã® 24 æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ ã“ã‚“ã«ã¡ã¯ã€‚BBSakuraã§ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‚’ã—ã¦ã„ã¾ã™ã€æ—©å‚(@takemioIO) ã¨ç”³ã—ã¾ã™ã€‚ å…ˆæ—¥ã€eBPF Meetup Japan #2 ã‚’ã•ãã‚‰ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆæ±äº¬æ”¯ç¤¾ã‹ã‚‰é…ä¿¡ã—ã¾ã—ãŸã€‚ä»Šå›žã¯ã‚ªãƒ¼ã‚¬ãƒŠã‚¤ã‚¶ãƒ¼ã¨ã—ã¦å‚åŠ ã—ã€50åã‚’è¶…ãˆã‚‹å‚åŠ è€…ã‚’é›†ã‚ãŸãƒŸãƒ¼ãƒˆã‚¢ãƒƒãƒ—ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’å®Ÿç¾ã§ãã¾ã—ãŸã€‚ ã”å‚åŠ ã„ãŸã ã„ãŸçš†ã•ã‚“ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸã€‚ æœ¬è¨˜äº‹ã§ã¯ã€ã•ã‚‰ã«å‰ã«é–‹å‚¬ã•ã‚ŒãŸç¬¬ä¸€å›žã®Meetupã§ãŠè©±ã—ã—ãŸå†…å®¹ã®ãƒ•ã‚©ãƒãƒ¼ã‚¢ãƒƒãƒ—ã¨ã—ã¦ã€å®Ÿè£…ä¸Šã®ãƒ†ã‚¹ãƒˆãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã«é–¢ã™ã‚‹è½ç©‚æ‹¾ã„ã‚’ã—ã¦ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¡ãªã¿ã«å‰å›žç™ºè¡¨ã®ã‚¹ãƒ©ã‚¤ãƒ‰ã¯ã“ã¡ã‚‰ã§ã™ã€‚ã‚ˆã‚ã—ã‘ã‚Œã°ã”è¦§ãã ã•ã„ã€‚ speakerdeck.com eBPFãƒ˜ãƒ«ãƒ‘ãƒ¼ã¨ã¯ä½•ã‹ï¼Ÿ eBPFãƒ˜ãƒ«ãƒ‘ãƒ¼ã¨å‘¼ã°ã‚Œã‚‹ã€eB
ButterflyFish 2024/12/26
eBPF

BPF
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WebAssemblyã¯JVMã‚„eBPFã®ãƒªãƒã‚¤ãƒãƒ«ã§ã¯ãªã„ã€€WasmãŒWebä»¥å¤–ã§ã‚‚ã‚¢ãƒ„ã„ç†ç”± | ãƒã‚°ãƒŸãƒ¼Business
Kernel/VMæŽ¢æ¤œéšŠã¯ã‚«ãƒ¼ãƒãƒ«ã‚„ä»®æƒ³ãƒžã‚·ãƒ³ãªã©ã‚’ä»£è¡¨ã¨ã—ãŸã€ä½Žãƒ¬ã‚¤ãƒ¤ãƒ¼ãªè©±é¡Œã§ãƒ¯ã‚¤ãƒ¯ã‚¤ç››ã‚Šä¸ŠãŒã‚‹ãƒžãƒ‹ã‚¢ãƒƒã‚¯ãªå‹‰å¼·ä¼šã§ã™ã€‚ä½ä¼¯æ°ã¯ã€WebAssemblyã®Webã®å¤–ã®å¿œç”¨ã«ã¤ã„ã¦ç™ºè¡¨ã—ã¾ã—ãŸã€‚å…¨2å›žã€‚å‰åŠã¯ã€WasmãŒã‚¢ãƒ„ã„ç†ç”±ã¨ãƒ‡ã‚¶ã‚¤ãƒ³ã‚´ãƒ¼ãƒ«ã«ã¤ã„ã¦ã€‚ ä»Šå›žã®ãƒ†ãƒ¼ãƒžã¯ã€ŒKernel/VMçš„WebAssemblyå…¥é–€ã€ä½ä¼¯å¦å“‰æ°ï¼ˆä»¥ä¸‹ã€ä½ä¼¯ï¼‰ï¼šä½ä¼¯ãŒã€ŽWebAssemblyã®Webä»¥å¤–ã®ã“ã¨å…¨éƒ¨è©±ã™ã€ã¨ã„ã†ã‚¿ã‚¤ãƒˆãƒ«ã§ç™ºè¡¨ã—ã¾ã™ã€‚ ã¾ãšã€WebAssemblyã¨ã¯ä½•ãžã‚„ï¼Ÿã€€ã¨ã„ã†ä¸€èˆ¬çš„ãªè©±ãªã®ã§ã™ãŒã€ã€ŒWikipediaã€ã‹ã‚‰ã®å¼•ç”¨ã«ã‚ˆã‚Œã°ã€ã€ŒWebãƒ–ãƒ©ã‚¦ã‚¶ãƒ¼ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚µã‚¤ãƒ‰ã‚¹ã‚¯ãƒªãƒ—ãƒˆã¨ã—ã¦å‹•ä½œã™ã‚‹ä½Žæ°´æº–è¨€èªžã§ã‚ã‚‹ã€‚ãƒ–ãƒ©ã‚¦ã‚¶ãƒ¼ä¸Šã§ãƒã‚¤ãƒŠãƒªãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã®ã‹ãŸã¡ã§å®Ÿè¡Œå¯èƒ½ã§ã‚ã‚‹ã“ã¨ã‚’ç‰¹å¾´ã¨ã™ã‚‹ã€ã¨ã‚ã‚Šã¾ã™ã€‚ å®Ÿéš›ã®å¿œç”¨ä¾‹ã¨ã—ã¦ã¯ã€Webã§Google Meetã®èƒŒæ™¯ã¼ã‹ã—ã«ä½¿ã‚ã‚Œã¦ã„ãŸã‚Š
ButterflyFish 2024/12/23
WebAssembly

wasm

eBPF
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eBPF Deep Dive: Architecture and Safety Mechanisms
Cloud Native Days Winter 2024ã§ç™ºè¡¨ã—ãŸ eBPF ã®æŠ€è¡“è§£èª¬ã®ç™ºè¡¨ã§ã™ã€‚ https://event.cloudnativedays.jp/cndw2024/talks/2398
ButterflyFish 2024/11/29
eBPF

architecture
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eBPFã‚’ç”¨ã„ã¦Pod ã”ã¨ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã‚’è¨ˆæ¸¬ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã®é–‹ç™º - Preferred Networks Research & Development
æœ¬è¨˜äº‹ã¯ã€2024å¹´å¤å£ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ³ã‚·ãƒƒãƒ—ãƒ—ãƒã‚°ãƒ©ãƒ ã§å‹¤å‹™ã•ã‚ŒãŸä¿µ é¼å¤ªã•ã‚“ã«ã‚ˆã‚‹å¯„ç¨¿ã§ã™ã€‚ ã“ã‚“ã«ã¡ã¯ã€äº¬éƒ½å¤§å¦ å·¥å¦éƒ¨ é›»æ°—é›»åå·¥å¦ç§‘3å›žç”Ÿã® ä¿µ é¼å¤ª (id:walnuts1018) ã§ã™ã€‚ ä»Šå›žã€PFN 2024 å¤æœŸå›½å†…ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ³ã‚·ãƒƒãƒ—ã«å‚åŠ ã—ã€ç¤¾å†…æ©Ÿæ¢°å¦ç¿’åŸºç›¤ã®é–‹ç™ºãƒ»é‹ç”¨ã‚’è¡Œã†Cluster Servicesãƒãƒ¼ãƒ ã«ã¦ã€ã€ŒPodã”ã¨ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã‚’è¨ˆæ¸¬ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã®é–‹ç™ºã€ã¨ã„ã†ãƒ†ãƒ¼ãƒžã«å–ã‚Šçµ„ã¿ã¾ã—ãŸã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ç¤¾å†…ã®Kubernetesã‚¯ãƒ©ã‚¹ã‚¿ã«ãŠã‘ã‚‹èª²é¡Œã¨ã€Podã”ã¨ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã‚’è¨ˆæ¸¬ã™ã‚‹ãŸã‚ã«ä½œæˆã—ãŸãƒ„ãƒ¼ãƒ«ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ ç¤¾å†…ã®Kubernetesã‚¯ãƒ©ã‚¹ã‚¿ã«ãŠã‘ã‚‹èª²é¡Œ ç¤¾å†…ã® Kubernetes ã‚¯ãƒ©ã‚¹ã‚¿ã§ã¯ã€è¤‡æ•°ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒåŒã˜ã‚¯ãƒ©ã‚¹ã‚¿ã‚’åˆ©ç”¨ã—ã¦æ§˜ã€…ãªãƒ¯ãƒ¼ã‚¯ãƒãƒ¼ãƒ‰ã‚’å‹•ã‹ã—ã¦ã„ã¾ã™ã€‚ã“ã®ã‚ˆã†ãªæ§‹æˆã‚’ã¨ã‚‹ã“ã¨ã§ã€ãƒžã‚·ãƒ³ãƒªã‚½ãƒ¼ã‚¹ã®åˆ©
ButterflyFish 2024/11/13
eBPF

BPF
ãƒªãƒ³ã‚¯
eBPF å‘½ä»¤ã‚»ãƒƒãƒˆã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£(ISA)ãŒRFC 9669ã«ãªã£ãŸ - ASnoKaze blog
ã€ŽRFC 9669 BPF Instruction Set Architecture (ISA)ã€ã¨ã—ã¦ã€å‘½ä»¤ã‚»ãƒƒãƒˆã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£(ISA)ãŒRFCã«ãªã‚Šã¾ã—ãŸã€‚eBPF (which is no longer an acronym for anything) ã¨æ›¸ã‹ã‚Œã¦ã„ã‚‹ã®ãŒå°è±¡çš„ã§ã™ã€‚ ã“ã®RFCç™ºè¡Œä½œæ¥ã¯ã€2023å¹´6æœˆã«çµæˆã•ã‚ŒãŸ IETF ã® bpf WGã§è¡Œã‚ã‚Œã¾ã—ãŸã€‚ eBPF Foudationã‹ã‚‰ã®ç›¸è«‡ã‚’å…ƒã«ã€Linux Kernelã®ã‚½ãƒ¼ã‚¹ãƒ„ãƒªãƒ¼ã«æ›¸ã‹ã‚Œã¦ã„ãŸbpfé–¢é€£ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’ã€RFCã¨ã—ã¦ç™ºè¡Œã—ã¦ã„ãã¨ã„ã†å½¢ã«ãªã£ã¦ã„ã¾ã™ã€‚ (2023å¹´12æœˆ IETF117 bpf WG ã‚¹ãƒ©ã‚¤ãƒ‰ã‚ˆã‚Š) ä»Šå¾Œ bpf WGã¯å¼•ãç¶šãæ´»å‹•ã‚’ç¶šã‘ã¦ã„ã¾ã™ã€‚ IETF bpf WGã®æ†²ç« ã‚’èªã‚€ã¨ã€ä½œæ¥ã‚¹ã‚³ãƒ¼ãƒ—ã¨ã—ã¦æ¬¡ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆç™ºè¡Œä½œæ¥ã‚’ã‚¹ã‚³ãƒ¼ãƒ—ã¨ã—ã¦ã‚ã’ã¦ã„ã¾ã™ã€‚ the B
ButterflyFish 2024/11/13
eBPF

RFC

BPF
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Perlã§å§‹ã‚ã‚‹eBPF: è‡ªä½œLoaderã®ä½œã‚Šæ–¹ / Getting started with eBPF in Perl_How to create your own Loader
YAPC::Hakodate 2024ã§ç™ºè¡¨ã—ã¾ã—ãŸã€‚ cf. https://fortee.jp/yapc-hakodate-2024/proposal/2c24d2e4-f488-414f-ae3d-1df24180867b Perlè£½ã®eBPF Loaderã¯ã“ã¡ã‚‰ã§ã™ã€‚ https:/â€¦
ButterflyFish 2024/10/12
perl

eBPF
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eBPFã®ã“ã‚Œã¾ã§ã¨ã“ã‚Œã‹ã‚‰
æƒ…å ±ç§‘å¦è‹¥æ‰‹ã®ä¼š2024
ButterflyFish 2024/09/17
eBPF
ãƒªãƒ³ã‚¯
eBPFã®ç¾çŠ¶ - The Linux Foundation
eBPF Foundation ã¯ LF Research ç¤¾ã¨å”åŠ›ã—ã€eBPF æŠ€è¡“ã®é€²åŒ–ã¨ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ ã‚¨ã‚³ã‚·ã‚¹ãƒ†ãƒ ã¸ã®å½±éŸ¿ã‚’èª¿æŸ»ã—ã¾ã—ãŸã€‚ã“ã®ãƒ¬ãƒãƒ¼ãƒˆã§ã¯ã€ä¸»è¦ãª eBPF ãƒ¡ãƒ³ãƒ†ãƒŠãƒ¼ã‚„ã‚³ãƒ³ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚¿ãƒ¼ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ“ãƒ¥ãƒ¼ã€ãŠã‚ˆã³å…¬é–‹ã•ã‚Œã¦ã„ã‚‹ãƒªãƒã‚¸ãƒˆãƒªã‹ã‚‰å¾—ãŸæ´žå¯Ÿã‚’ã‚‚ã¨ã«ã€eBPF ã®æ´å²ã€eBPFãŒ Linux ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã«ä¸ŽãˆãŸå½±éŸ¿ã€ãã—ã¦eBPFãŒä»Šæ—¥ã©ã®ã‚ˆã†ã«åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹ã‹ã«ã¤ã„ã¦èª¬æ˜Žã—ã¦ã„ã¾ã™ã€‚ã¾ãŸã€eBPFã®ä¸»è¦ãªãƒ¦ãƒ¼ã‚¹ã‚±ãƒ¼ã‚¹ã€èª²é¡Œã€å°†æ¥çš„ãªå¯èƒ½æ€§ã«ã¤ã„ã¦ã‚‚ç´¹ä»‹ã—ã¦ã„ã¾ã™ã€‚ èªè€…ã¯ã€eBPF ãŒæä¾›ã™ã‚‹ã‚‚ã®ã‚’æœ€å¤§é™ã«æ´»ç”¨ã™ã‚‹æ–¹æ³•ã€ãŠã‚ˆã³ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«å‚åŠ ã—ã¦ãã®æˆé•·ã¨ç¶™ç¶šçš„ãªæ”¹å–„ã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹æ–¹æ³•ã‚’å¦ã¶ã“ã¨ãŒã§ãã¾ã™ã€‚ã“ã®æŠ€è¡“ã®æ´å²ã€å½±éŸ¿ã€ãŠã‚ˆã³å°†æ¥ã«é–¢ã™ã‚‹å®Œå…¨ãªåˆ†æžã«ã¤ã„ã¦ã¯ã€ãƒ¬ãƒãƒ¼ãƒˆã‚’ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã—ã¦ãŠèªã¿ãã ã•ã„ã€‚
ButterflyFish 2024/08/17
eBPF

linux
ãƒªãƒ³ã‚¯
Blog: A deep dive into CVE-2023-2163: How we found and fixed an eBPF Linux Kernel Vulnerability
This blog post takes a look at the years where eBPF was one of the kernel subsystems that grabbed the attention of a lot of security researchers. We will tell the story of how we discovered CVE-2023-2163, what our root-cause analysis process looked like, and what we did to ultimately fix the issue.
ButterflyFish 2024/08/10
eBPF

security
ãƒªãƒ³ã‚¯
Writing a system call tracer using eBPF
Pre-RequisitesSystem calls, eBPF, C, basics of low-level programming. IntroductioneBPF (Extended Berkeley Packet Filter) is a techno logy that allows users to run custom programs within the kernel. BPF / or cBPF (classic BPF), the predecessor of eBPF provided a simple and efficient way to filter packets based on predefined rules. eBPF programs offer enhanced safety, portability, and maintainability
ButterflyFish 2024/08/10
eBPF

BPF
ãƒªãƒ³ã‚¯
Instrumenting Python GIL with eBPF
Back to All Posts Instrumenting Python GIL with eBPF Nikolay Sivko Jul 12, 2024 Every Python developer has heard about theÂ GILÂ (Global Interpreter Lock) This lock simplifies memory management and ensures thread safety, but it also limits the performance of multi-threaded, CPU-bound programs because threads canâ€™t run Python code in parallel. Here is a great explanation of why Python requires the GI
ButterflyFish 2024/07/28
python

eBPF
ãƒªãƒ³ã‚¯
eBPFã«å…¥é–€ã—ã¦ç°¡å˜ãªã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãƒã‚¬ãƒ¼ã‚’å®Ÿè£…ã—ãŸ - zebian.log
ã‚»ã‚ãƒ¥ã‚ãƒ£ãƒ³2023ã§SysmonForLinuxã‚’ä½¿ã£ãŸçµŒé¨“ãŒã‚ã‚Šã€ãƒ—ãƒã‚°ãƒ©ãƒ ã®æŒ™å‹•ãƒã‚°ã‚’è‡ªä½œãƒã‚¬ãƒ¼ã§å–ã‚ŠãŸã„ãªã¨æ€ã£ãŸã®ã§ã€Go+ebpf-goã§ç°¡å˜ãªã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ãƒã‚¬ãƒ¼ã‚’å®Ÿè£…ã—ãŸã€‚eBPFã‚‚Goã‚‚åˆå¿ƒè€…ãªã®ã§ã‚³ãƒ¼ãƒ‰ãŒæ±šã„ã®ã¯å¾¡æ„›å¬Œã€‚ ã‚³ãƒ¼ãƒ‰å…¨ä½“ ã‚³ãƒ¼ãƒ‰ã¯ã“ã“ã«æ›¸ã„ãŸã€‚è¨˜äº‹ä½œæˆæ™‚ç‚¹ã®ã‚³ãƒ¼ãƒ‰ã§ã‚ã£ã¦ã€æœ€æ–°ç‰ˆã§ã¯ãªã„ã®ã§æ³¨æ„ã€‚ main.go package main import ( "bytes" _ "embed" "encoding/binary" "encoding/json" "fmt" "os" "os/signal" "syscall" "github.com/cilium/ebpf" "github.com/cilium/ebpf/link" "github.com/cilium/ebpf/ringbuf" "github.com/cilium/ebpf/rlimit"
ButterflyFish 2024/07/06
eBPF

BPF
ãƒªãƒ³ã‚¯
Goãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã¸ã®OpenTelemetryè¨ˆè£…ã§eBPFè‡ªå‹•è¨ˆè£…ã‚’æŽ¡ç”¨ã—ãªã‹ã£ãŸè©±
æ—¢å˜Go ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«OpenTelemetryã‚’è¨ˆè£…ã™ã‚‹æ©Ÿä¼šãŒã‚ã‚Šã¾ã—ãŸã€‚eBPFã«ã‚ˆã‚‹è‡ªå‹•è¨ˆè£…ã§ã¯ãªãã€æ‰‹å‹•è¨ˆè£…ã‚’é¸ã‚“ã ç†ç”±ã‚’èª¬æ˜Žã—ã¾ã™ã€‚ Goã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¸ã®OpenTelemetryè¨ˆè£…æ‰‹æ®µ Goã«ãŠã„ã¦ã¯ã€OpenTelemetryã®è‡ªå‹•è¨ˆè£…ãŒå…¬å¼ã§ç”¨æ„ã•ã‚Œã¦ã„ã¾ã›ã‚“ã€‚å…¬å¼ã‚µã‚¤ãƒˆã«Automaticã®ç« ãŒãªã„ã“ã¨ã‹ã‚‰ã‚ã‹ã‚Šã¾ã™ã€‚ãŠãã‚‰ãã€ãƒ©ãƒ³ã‚¿ã‚¤ãƒ ã®åˆ¶ç´„ã§å®Ÿè¡Œæ™‚ã«ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®æŒ™å‹•ã‚’å¤‰ãˆã‚‹ã“ã¨ãŒé›£ã—ã„ã®ã§ã—ã‚‡ã†ã€‚ ãƒˆãƒ¬ãƒ¼ã‚¹ã«ååˆ†ãªã‚¹ãƒ‘ãƒ³ã‚’å«ã‚ã‚‹ãŸã‚ã«ã€ç¾çŠ¶ã§ã¯ä»¥ä¸‹ã®2ã¤ã®è¨ˆè£…æ‰‹æ®µãŒã‚ã‚Šã¾ã™ã€‚æ—¢å˜ã®Goã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«å°Žå…¥ã™ã‚‹æ‰‹é–“ã‚„å½±éŸ¿ç¯„å›²ã‚’ã‚¤ãƒ¡ãƒ¼ã‚¸ã„ãŸã ããŸã‚ã«ã€æ¦‚è¦ã«çµžã£ã¦è§£èª¬ã—ã¾ã™ã€‚ æ‰‹å‹•è¨ˆè£… eBPFã«ã‚ˆã‚‹è‡ªå‹•è¨ˆè£…ï¼ˆWork In Progresï¼‰ 1. æ‰‹å‹•è¨ˆè£… ã¾ãšã€OpenTelemetryã®SDKã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã€ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã‚’ã—ã¾ã™ã€‚ func main
ButterflyFish 2024/05/03
opentelemetry

eBPF

golang
ãƒªãƒ³ã‚¯
bpfman
Introduction Introduction Quick Start User Documentation Developer Documentation Design Formerly know as bpfd bpfman: An eBPF Manager bpfman operates as an eBPF manager, focusing on simplifying the deployment and administration of eBPF programs. Its notable features encompass: System Overview: Provides insights into how eBPF is utilized in your system. eBPF Program Loader: Includes a built-in prog
ButterflyFish 2024/03/30
eBPF
ãƒªãƒ³ã‚¯
bpftraceã«ã‚ˆã‚‹Goã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒˆãƒ¬ãƒ¼ã‚¹ï½œhayajo
ã¯ã˜ã‚ã«ã‚·ã‚¹ãƒ†ãƒ ã®çŠ¶æ…‹ã‚’çš„ç¢ºã«æ‰ãˆã€é‹ç”¨ã«å¿…è¦ãªã‚¤ãƒ³ã‚µã‚¤ãƒˆã‚’ç¶™ç¶šçš„ã«å¾—ã‚‹ãŸã‚ã®ç‰¹æ€§ã¯ã€Œã‚ªãƒ–ã‚¶ãƒ¼ãƒãƒ“ãƒªãƒ†ã‚£ã€ã¨å‘¼ã°ã‚Œã¾ã™ã€‚ã‚ªãƒ–ã‚¶ãƒ¼ãƒãƒ“ãƒªãƒ†ã‚£ã‚’å®Ÿç¾ã™ã‚‹ã“ã¨ã§ã€ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã®ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚°ã‚„ãƒˆãƒ©ãƒ–ãƒ«ã‚·ãƒ¥ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚’åŠ¹æžœçš„ã«è¡Œã„ã€ã‚·ã‚¹ãƒ†ãƒ ã®ä¿¡é ¼æ€§ã‚’é«˜ã‚ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã“ã®é‡è¦ãªç‰¹æ€§ã‚’å®Ÿç¾ã™ã‚‹ä¸Šã§ã€eBPFã‚„bpftraceã¯å¼·åŠ›ãªãƒ„ãƒ¼ãƒ«ã¨ãªã‚Šã¾ã™ã€‚ æœ¬è¨˜äº‹ã§ã¯ã€Goã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ãŠã‘ã‚‹ã‚ªãƒ–ã‚¶ãƒ¼ãƒãƒ“ãƒªãƒ†ã‚£ã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã®ä¸€ã¤ã®æ–¹æ³•ã¨ã—ã¦ã€bpftraceã‚’ç”¨ã„ãŸãƒˆãƒ¬ãƒ¼ã‚¹ã®æ‰‹æ³•ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ å†…å®¹ãŒå¤šã„ãŸã‚ã€ç›®æ¬¡ã‚’æ´»ç”¨ã—ã¦æ®µéšŽçš„ã«èªã¿é€²ã‚ã‚‹ã“ã¨ã‚’ãŠå‹§ã‚ã—ã¾ã™ã€‚ eBPFã¨bpftraceã¯ã˜ã‚ã«ã€eBPFã¨bpftraceã«ã¤ã„ã¦ç°¡å˜ã«èª¬æ˜Žã—ã¾ã™ã€‚ eBPFã¨ã¯eBPF(Extended Berkeley Packet Filter)ã¯Linuxã‚«ãƒ¼ãƒãƒ«å†…ã§å‹•ä½œã™ã‚‹æŸ”è»Ÿãªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãƒ•ãƒ¬ãƒ¼
ButterflyFish 2024/03/30
eBPF

golang

BPF
ãƒªãƒ³ã‚¯
eBPF Documentary
Recent posts: 29 Oct 2024 Â» AI Flame Graphs 22 Jul 2024 Â» No More Blue Fridays 24 Mar 2024 Â» Linux Crisis Tools 17 Mar 2024 Â» The Return of the Frame Pointers 10 Mar 2024 Â» eBPF Documentary 28 Apr 2023 Â» eBPF Observability Tools Are Not Security Tools 01 Mar 2023 Â» USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon 17 Feb 2023 Â» USENIX SREcon APAC 2023: CFP 02 May 2022 Â» Brendan
ButterflyFish 2024/03/12
eBPF

BPF

observability
ãƒªãƒ³ã‚¯
[Rust] Ayaã§eBPFãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã¤ãã£ã¦ã¿ã‚‹ | DevelopersIO
Introduction eBPFã¯ã€Linuxã‚«ãƒ¼ãƒãƒ«å¯¾ã—ã¦å‹•çš„ã«æ©Ÿèƒ½ã‚’æ‹¡å¼µã™ã‚‹æŠ€è¡“ã§ã€ ã‚«ãƒ¼ãƒãƒ«ã§ç‹¬è‡ªã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’å®‰å…¨ã«å®Ÿè¡Œã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã“ã‚Œã‚‰ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ä»»æ„ã®ãƒã‚¤ãƒ³ãƒˆã«è¨å®šå¯èƒ½ã§ã€ã•ã¾ã–ã¾ãªã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§ å®Ÿè¡Œã§ãã¾ã™ã€‚ eBPFã¯ã€ã‚«ãƒ¼ãƒãƒ«å†æ§‹ç¯‰ãªã—ã§ã‚«ãƒ¼ãƒãƒ«ã®å‹•ä½œã‚’ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã™ã‚‹ã“ã¨ãŒã§ãã‚‹ãŸã‚ã€ è¿‘å¹´ã„ã‚ã„ã‚ãªç”¨é€”ã«ä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚ ä»Šå›žã¯BCC/bpftoolã§å°‘ã—eBPFã‚’ä½¿ã£ã¦ã¿ãŸå¾Œã€ Aya(eBPFç”¨Rustãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ï¼‰ã‚’ä½¿ã£ã¦XDPã®ã‚µãƒ³ãƒ—ãƒ«ã‚’ã¤ãã£ã¦ã¿ã¾ã™ã€‚ eBPF? eBPFã¯Extended Berkeley Packet Filterã®ç•¥ã§ã€ ã‚‚ã¨ã‚‚ã¨ã¯Linuxã§ãƒ‡ãƒ¼ã‚¿ãƒ‘ã‚±ãƒƒãƒˆã‚’åŠ¹çŽ‡çš„ã«ãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ã™ã‚‹ãŸã‚ã« é–‹ç™ºã•ã‚ŒãŸæŠ€è¡“ã§ã™ãŒã€ç¾åœ¨ã¯ãã®æ©Ÿèƒ½ãŒæ‹¡å¼µã•ã‚Œã¦ã€ ã‚«ãƒ¼ãƒãƒ«ã®ã‚³ãƒ¼ãƒ‰å¤‰æ›´ã‚„ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«è¿½åŠ ãªã—ã§ ç‹¬è‡ªã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã‚«ãƒ¼ãƒãƒ«ã§å®Ÿ
ButterflyFish 2024/03/12
rust

eBPF

BPF
ãƒªãƒ³ã‚¯
Announcing bpftop: Streamlining eBPF performance optimization
By Jose Fernandez Today, we are thrilled to announce the release of bpftop, a command-line tool designed to streamline the performance optimization and monitoring of eBPF programs. As Netflix increasingly adopts eBPF [1, 2], applying the same rigor to these applications as we do to other managed services is imperative. Striking a balance between eBPFâ€™s benefits and system load is crucial, ensuring
ButterflyFish 2024/02/29
eBPF

performance

statistics
ãƒªãƒ³ã‚¯
eBPFã®ãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°å…¥é–€ | ãƒ¡ãƒ«ã‚«ãƒªã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°
ç›®æ¬¡ ã¯ã˜ã‚ã« eBPFã¨ã¯? eBPFã®CTFãƒãƒ£ãƒ¬ãƒ³ã‚¸ Flagã®ç²å¾— ãŠã‚ã‚Šã« ã¯ã˜ã‚ã« åˆã‚ã¾ã—ã¦ã€Threat Detection and Responseãƒãƒ¼ãƒ ã®Chihiroã§ã™ã€‚æ˜¨å¹´ã®7æœˆã«æ ªå¼ä¼šç¤¾ãƒ¡ãƒ«ã‚«ãƒªã«å…¥ç¤¾ã—ã¦ã€ä¸»ã«ã‚¯ãƒ©ã‚¦ãƒ‰å‘ã‘ã®Detection Engineeringã‚„ã€ã‚¤ãƒ³ã‚·ãƒ‡ãƒ³ãƒˆãƒ¬ã‚¹ãƒãƒ³ã‚¹ã‚’æ‹…å½“ã—ã¦ã„ã¾ã™ã€‚ã¾ãŸã€ãƒ¡ãƒ«ã‚«ãƒªã§è‡ªç¤¾é–‹ç™ºã—ã¦ã„ã‚‹SOARï¼ˆSecuirty Orchestration Automation and Responseï¼‰ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã®é–‹ç™ºã‚„é‹ç”¨ã‚‚æ‹…å½“ã—ã¦ã„ã¾ã™ã€‚ ãƒ¡ãƒ«ã‚«ãƒªã«ã¯ã€éƒ¨æ´»ã‚’æ”¯æ´ã™ã‚‹ç¤¾å†…åˆ¶åº¦ãŒå˜åœ¨ã—ã€æ§˜ã€…ãªéƒ¨æ´»ãŒã‚ã‚Šã¾ã™ã€‚ãã®éƒ¨æ´»ã®ä¸€ç’°ã¨ã—ã¦ã€ç§ã¯æœ€è¿‘ã€CTFï¼ˆCapture The Flagï¼‰ã¨å‘¼ã°ã‚Œã‚‹ã‚µã‚¤ãƒãƒ¼ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ã®ç«¶æŠ€ã‚’æ¥½ã—ã‚“ã§ã„ã¾ã™ã€‚ãã“ã§ä»Šå›žã¯ã€å‚åŠ ã—ãŸCTFã®ä¸ã§é¢ç™½ã‹ã£ãŸeBPFã«é–¢ã™ã‚‹ãƒªãƒãƒ¼ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³
ButterflyFish 2024/02/29
eBPF
ãƒªãƒ³ã‚¯
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eBPF Foundationã¨Linux Foundation Researchã¯ã€2024å¹´1æœˆ30æ—¥ï¼ˆç±³å›½æ™‚é–“ï¼‰ã€ã€ŒThe State of eBPFã€ã‚’ç™ºè¡¨ã—ãŸã€‚ã“ã®ãƒ¬ãƒãƒ¼ãƒˆã¯ã€ã€ŒeBPFã€ï¼ˆextended BPFï¼‰ã®ç¾çŠ¶ã€eBPFã®ãƒ¦ãƒ¼ã‚¹ã‚±ãƒ¼ã‚¹ã‚„ä»Šå¾Œãªã©ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¦ã„ã‚‹ã€‚å†…å®¹ã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ eBPFã®ç¾çŠ¶ Linuxã‚«ãƒ¼ãƒãƒ«ã¯ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¨ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã¨ã—ã¦æ©Ÿèƒ½ã—ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã•ã¾ã–ã¾ãªã‚¿ã‚¹ã‚¯ã‚’å‡¦ç†ã™ã‚‹ã€‚ã‚«ãƒ¼ãƒãƒ«ã¯ç´„3000ä¸‡è¡Œã®ã‚³ãƒ¼ãƒ‰ã‚’æœ‰ã—ã€é‡è¦ãªå½¹å‰²ã‚’æžœãŸã™ãŒã€å¤‰æ›´ã«æ™‚é–“ãŒã‹ã‹ã‚‹ã€‚ã“ã‚Œã‚’è§£æ±ºã™ã‚‹ã®ãŒeBPFã ã€‚eBPFã¯Linuxã‚«ãƒ¼ãƒãƒ«å†…ã®ä»®æƒ³ãƒžã‚·ãƒ³ã§ã€é–‹ç™ºè€…ãŒå°ã•ãªå°‚é–€åŒ–ã•ã‚ŒãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’è¨˜è¿°ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ã€‚ã“ã‚Œã‚‰ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯å®‰å…¨æ€§ã‚’ç¢ºä¿ã™ã‚‹ãŸã‚ã«æ¤œè¨¼ã‚’çµŒã¦ã€JITï¼ˆJust-In-Timeï¼‰ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã•ã‚Œã€ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚ªãƒ¼ãƒ—ãƒ‹ãƒ³ã‚°ãªã©ã®ã‚¤
ButterflyFish 2024/02/22
eBPF

BPF
ãƒªãƒ³ã‚¯
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