Refactor MSR interface

Breaking changes to MSR interface to add support for file mode permissions.

Refactor MSR interface and improve tracefs handling

Update MSR methods to take a byte slice rather than allocating and improve handling of tracefs mount points. Also improvements to error messages

v0.5.1

Updates the GroupProfiler interface and also uses object pools to reduce allocations.

v0.5.0

Update profiler interfaces to allow for pooled allocations.

v0.4.0

Greatly improves error handling in group profiler setup.

v0.3.1

Lazily return errors on profiler creation rather than returning on the first error.

Profilers now return errors in initialization rather than on start

Profilers now return errors in initialization rather than on start

Even more annotations

v0.2.5

even more benchmark annotations

Additional benchmark annotations

v0.2.4

more benchmark annotations

fix imports

v0.2.3

fix imports