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ioctl

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Coolpad Technology Team
Coolpad Technology Team
Jul 20, 2022 · Backend Development

Performance Comparison of User‑Kernel Communication Mechanisms: ioctl, proc, and Netlink

This article examines three Linux user‑kernel communication methods—ioctl, proc, and Netlink—by describing their principles, presenting experimental setups and code, measuring nanosecond‑level call latency, and offering guidance on selecting the most suitable mechanism for a project.

Linux kernelNetlinkioctl
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Performance Comparison of User‑Kernel Communication Mechanisms: ioctl, proc, and Netlink