The bpftop tool [LWN.net]

The bpftop tool

Posted Feb 28, 2024 14:24 UTC (Wed) by danobi (subscriber, #102249)
In reply to: The bpftop tool by ringerc
Parent article: The bpftop tool

It's always been time for that :). Fun bug from a while back: https://dxuuu.xyz/bpf-go-pprof.html

(Note this has long since been fixed)

to post comments

Posted Feb 28, 2024 15:46 UTC (Wed) by Sesse (subscriber, #53779) [Link] (2 responses)

Which part has been fixed; the verifier returning EAGAIN on signals, or that Go uses an ancient mechanism for profiling?

Posted Feb 28, 2024 17:16 UTC (Wed) by danobi (subscriber, #102249) [Link] (1 responses)

Neither, cilium/ebpf library will block signals during program load IIRC

Posted Feb 28, 2024 17:19 UTC (Wed) by Sesse (subscriber, #53779) [Link]

(Thus solving the problem once and for all)