EBPF: Difference between revisions
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==Compiling eBPF== | ==Compiling eBPF== | ||
===BCC=== | |||
The BPF Compiler Collection automates much of the process of turning eBPF source into a kernel object, but much of this (as of 2019-09) requires Python. The BPF object of bcc.py can take raw eBPF text, and return an object which can be easily attached to a variety of eBPF targets. | |||
===LLVM=== | ===LLVM=== | ||
LLVM has enjoyed <tt>bpf</tt> backend support since 3.7. Compile using <tt>-target bpf</tt>. <tt>readelf</tt> on the resulting object ought look like: | LLVM has enjoyed <tt>bpf</tt> backend support since 3.7. Compile using <tt>-target bpf</tt>. <tt>readelf</tt> on the resulting object ought look like: | ||