Video: https://www.facebook.com/atscaleevents/videos/1693888610884236/ . Talk by Brendan Gregg from Facebook's Performance @Scale: "Linux performance analysis has been the domain of ancient tools and metrics, but that's now changing in the Linux 4.x series. A new tracer is available in the mainline kernel, built from dynamic tracing (kprobes, uprobes) and enhanced BPF (Berkeley Packet Filter), aka
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