Allow the benchmark to save off all the data as a json file

[vEpiphyte]

No description provided.

[codecov]

Codecov Report

Merging #1535 into master will increase coverage by 0.91%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1535      +/-   ##
==========================================
+ Coverage   94.75%   95.66%   +0.91%     
==========================================
  Files         135      135              
  Lines       22174    22174              
==========================================
+ Hits        21010    21212     +202     
+ Misses       1164      962     -202

Flag	Coverage Δ
#linux	95.66% <ø> (+12.37%)	⬆️
#osx	?

Impacted Files	Coverage Δ
synapse/lib/platforms/darwin.py	0% <0%> (-100%)	⬇️
synapse/lib/thisplat.py	58.33% <0%> (-8.34%)	⬇️
synapse/lib/spawn.py	97.89% <0%> (-0.85%)	⬇️
synapse/lib/link.py	98.65% <0%> (-0.68%)	⬇️
synapse/lib/hive.py	97.43% <0%> (+0.12%)	⬆️
synapse/lib/node.py	98.69% <0%> (+0.18%)	⬆️
synapse/lib/lmdbslab.py	98.92% <0%> (+0.4%)	⬆️
synapse/lib/types.py	99.14% <0%> (+0.42%)	⬆️
synapse/daemon.py	89.85% <0%> (+0.89%)	⬆️
synapse/lib/ast.py	95.09% <0%> (+0.95%)	⬆️
... and 6 more

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