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The RISC architecture frontier: Is eBPF ready for ARM64 and RISC-V?

Summary

The article discusses the expanding adoption of eBPF beyond its traditional x86 Linux environment, highlighting its integral role in observability, security, and networking. While eBPF has successfully extended to ARM configurations and is now being developed for Windows, Mac M3, and RISC-V processors, its "write once, run anywhere" promise faces challenges on newer architectures, particularly RISC-V. Experts acknowledge that while ARM64 is nearing parity with x86, RISC-V still presents gaps in JIT compiler maturity, memory models, and production pressure. The eBPF Foundation and the kernel community are actively working to standardize eBPF and fund development to bring RISC-V up to par, emphasizing the need for standardized testing on physical hardware rather than just emulators.

Why It Matters

An IT operations leader should read this article to understand the evolving landscape of eBPF and its implications for future infrastructure planning. As organizations increasingly consider diverse hardware architectures like ARM and RISC-V for cost-efficiency, performance, or specific use cases, this article provides crucial insights into the current state and future trajectory of eBPF support on these platforms. It highlights potential challenges and opportunities related to observability, security, and networking on non-x86 systems, enabling leaders to make informed decisions about technology adoption, resource allocation for development and testing, and strategic investments in emerging hardware. Understanding these nuances will help them anticipate and mitigate operational complexities, ensuring robust and scalable IT environments across a broader range of architectures.