Using ftrace to trace function calls from qemu-guest-agent

Posted on Wed 21 August 2019 in hints-and-kinks • Tagged with libvirt, Linux, ftrace, Qemu

When you are using functionality that is buried deep in the Linux kernel, ftrace can be extremely useful. Here are some suggestions on how to use it, using the example of tracing function calls from qemu-guest-agent.

What’s this about?

Recently I used, for the first time, libvirt’s functionality …


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