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io_uring - BPF Controlled I/O

Linux Plumbers Conference via YouTube

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Overview

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This talk explains how BPF can control io_uring I/O requests. It covers request handling, BPF helpers, user-space memory, and overhead.

Syllabus

Intro
Outline
Request types
Register resources
Executing requests
Misconceptions
Tight loop
Batching
SQ Pole
Requirements
Dump idea
BPF request
Linking
Completion Queue
User Space Memory
Overhead
API
Submission
Reminders
BPF helpers
BPF example
Results
Next steps
Resources

Taught by

Linux Plumbers Conference

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