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Arnaldo Carvalho de Melo of Red Hat

Arnaldo Carvalho de Melo on Udienza: Twenty years of pahole, and how a developer tool became part of BPF's infrastructure.

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Who Arnaldo Carvalho de Melo is

Arnaldo Carvalho de Melo works at Red Hat and maintains pahole and the perf tooling of the Linux kernel. pahole started about twenty years ago as a developer tool, and is now part of the infrastructure BPF depends on.

The conversation

Arnaldo Carvalho de Melo recorded a conversation with the show at Open Source Summit Europe 2026, Prague, on 7 October 2026. It is about twenty years of pahole, and how a developer tool became part of BPF’s infrastructure. Who else the show met that week is in the write-up of Open Source Summit Europe 2026.

Red Hat

Red Hat is the open source company behind Red Hat Enterprise Linux and OpenShift, and a long-standing contributor to the Linux kernel. Everyone the show has interviewed there is listed on Red Hat on Udienza.

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