Ftrace in Docker

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alex tang

Nov 11, 2021, 9:33:31 PM11/11/21
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Recently I'm trying to trace the kernel path within the Container. The tool i going to using is Ftrace, but i found that the Ftrace are not container-aware. After mount the tracefs you will have the privilege to see all the process in host view. And the Ftrace can't translate the virtual pid in the container to the real pid. Did anyone know something about it? Is that a kind of security bug or just can avoid by some modify? Thanks!
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