Add new instr_type that directly aggregates runtime per region/region interaction

[bnico99]

No description provided.

[codecov]

Codecov Report

Patch coverage: 48.38% and project coverage change: -0.08 ⚠️

Comparison is base (0ad512d) 66.95% compared to head (6057d63) 66.88%.

Additional details and impacted files

@@             Coverage Diff              @@
##           vara-dev     #738      +/-   ##
============================================
- Coverage     66.95%   66.88%   -0.08%     
============================================
  Files           322      324       +2     
  Lines         24227    24320      +93     
============================================
+ Hits          16221    16266      +45     
- Misses         8006     8054      +48     

Impacted Files	Coverage Δ
varats/varats/tools/bb_config.py	100.00% <ø> (ø)
...data/reports/performance_influence_trace_report.py	47.05% <47.05%> (ø)
...riments/vara/agg_region_interaction_perf_runner.py	50.00% <50.00%> (ø)
...rats/varats/experiments/vara/feature_experiment.py	41.13% <100.00%> (+0.42%)	⬆️

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[vulder]

Looks reasonable, but we should wait to integrate this until the instrumentation are merged.

[boehmseb]

lgtm.

But what's up with mypy here?