pw_perf_test is an upcoming module that will be similar to unit_test
but will instead display performance data. A small overview of the
timing interface is provided in pw_perf_test/docs.rst.
Change-Id: I74798931b769e99b3b4c7822c9b467db96b7883c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/112971
Reviewed-by: Wyatt Hepler <hepler@google.com>
Commit-Queue: Brian Barcenas <bbarcenas@google.com>
