libbpf-tools: add CO-RE 'vfscount'

iovisor / bcc

BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more

Apache License 2.0

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Open myhro opened 5 months ago

myhro commented 5 months ago

This is a CO-RE port of the Brendan Gregg's vfscount BCC Python tool.

It depends on the regex infrastructure proposed on #4964. This PR has to be rebased after the former is merged.