Sep 20 – 24, 2021
US/Pacific timezone

Merging the return caller infrastructures

Sep 22, 2021, 10:30 AM
Microconference1/Virtual-Room (LPC Virtual)


LPC Virtual

Tracing MC Tracing MC


Steven Rostedt


Currently there's three infrastructures that can trace the exit of the function.

BPF direct trampolines

Each one does it differently, and they can stumble over each other when they trace the same function call return. There should be a way that all three can somehow use the same infrastructure. At least maybe two of them?

There's been prototypes to do this, but nothing satisfactory as of yet. Perhaps a meeting of the minds can help make this work?

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Primary authors

Steven Rostedt Masami Hiramatsu (Linaro Ltd.) Jiri Olsa

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