benchmarks

`datadog` Benchmarks

Add the new file to run_all.sh in this directory.
Depending on the prefix, add the new file to the correct validate_benchmarks_spec.rb as follows:

Create a validate_benchmarks_spec.rb test in the product subdirectory, using the existing files as a template.
Update this README to add the new product in the previous section.

Name		Name	Last commit message	Last commit date
parent directory ..
support		support
Dockerfile		Dockerfile
README.md		README.md
benchmarks_helper.rb		benchmarks_helper.rb
benchmarks_ips_patch.rb		benchmarks_ips_patch.rb
di_instrument.rb		di_instrument.rb
di_snapshot.rb		di_snapshot.rb
library_gem_loading.rb		library_gem_loading.rb
profiler_allocation.rb		profiler_allocation.rb
profiler_gc.rb		profiler_gc.rb
profiler_hold_resume_interruptions.rb		profiler_hold_resume_interruptions.rb
profiler_http_transport.rb		profiler_http_transport.rb
profiler_memory_sample_serialize.rb		profiler_memory_sample_serialize.rb
profiler_sample_gvl.rb		profiler_sample_gvl.rb
profiler_sample_loop_v2.rb		profiler_sample_loop_v2.rb
profiler_sample_serialize.rb		profiler_sample_serialize.rb
run_all.sh		run_all.sh
tracing_trace.rb		tracing_trace.rb