add toplev virtual env scripts

[emaxerrno]

unfort toplev uses python 2.7 and needs tk bindings

https://github.com/andikleen/pmu-tools/wiki/toplev-manual

apt-get install python-tk-dev ? for fedora is python3-tkinter.x86_64

yield a new readme w/ links to:

https://software.intel.com/en-us/vtune-amplifier-help-tuning-applications-using-a-top-down-microarchitecture-analysis-method

add perf record -e intel_pt//u stuff too.

https://github.com/torvalds/linux/blob/master/tools/perf/Documentation/intel-pt.txt https://software.intel.com/en-us/blogs/2013/09/18/processor-tracing record the ocperf commands w/ Andi Kleen's suggestion on the bug tracker.

http://wiki.lustre.org/images/3/3a/LUG2017-ORNL-Tracepoints-Simmons.pdf https://linux.die.net/man/1/pahole