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guestrace: VM guess whole-system-call tracer

guestrace: A whole-system system-call tracer for VM guests
Ryan Johnson began writing guestrace as a prototype for a research project. Since then, we have packaged guestrace as a stand-alone utility. A properly-configured guestrace will print as they occur the system calls which processes invoke within a guest host. The guestrace utility relies on libvmi to perform virtual-machine introspection. Guestrace also provides a library, libguestrace, which gives programmers access to the guestrace engine. This is useful for programs which must trace system calls and do more than merely print them. […]

https://www.flyn.org/projects/guestrace/index.html

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