doc: add more info to benchmark/README.md
Adds info on the wrk prerequisite for http benchmarks and how to run benchmarks with options.
I ran into both of these things trying to run benchmarks today.
R=@bnoordhuis?
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Adds info on the wrk prerequisite for http benchmarks and how to run benchmarks with options.
I ran into both of these things trying to run benchmarks today.
R=@bnoordhuis?