cmd/bent: make sample configurations less confusing

The sample configuration suggests an on/off experiment, but uses two
different names for the control flow and varies other things at the
same time. This CL makes the two sample configurations more consistent
and comments out some things that are useful to know but probably
aren't what users want by default.

Change-Id: I998927370ff33b1e9055bf0226f93ea7e0afca95
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/403875
Reviewed-by: David Chase <drchase@google.com>
1 file changed