A set of trace hooks is used to interact with the tracing infrastructure of the Linux kernel.
Look at trace-hooks for a complete description of the trace hooks.
The diagram illustrates the typical flow of the traces. For interaction with ftrace,
the python library trace-cruncher is used. It relies on a set of low level libraries
to configure ftrace in a separate trace instance, specific to that run of the trace session.
The output is recorded in a trace file in this trace instance, which is located in a pseudo
filesystem of the kernel. Because the space there is limited, the Open Telemetry logger must read
the file during the trace and export the traces to an external database.
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