benchmarks/cmd/bent: adding benchmarks for toml and wazero

For toml, which benchmarks to run,
for wazero, a provisional list of "good" benchmarks to run.

Change-Id: I2544a6450e55716315345e5223b7a556d8e2813b
Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/595998
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>

cmd/bent/configs/benchmarks-50.toml

@@ -2,6 +2,14 @@
 # A sample of about 50 different benchmark runs, not noisy, run quickly enough,
 # that appear to be somewhat diverse.
 
+[[Benchmarks]]
+  Name = "wazero"
+  Benchmarks = "BenchmarkInvocation/interpreter/(string_manipulation_size_50|fib_for_20|random_mat_mul_size_20)|BenchmarkCompilation/with"
+
+[[Benchmarks]]
+  Name = "toml"
+  Benchmarks = "BenchmarkDecode/large-doc"
+
 [[Benchmarks]]
   Name = "minio"
   Tests = "none" # Don't run these tests; they hang, etc.

cmd/bent/configs/suites.toml

@@ -1,6 +1,11 @@
 # A Suite is a short name, a repo, a version, and sometimes some related default values
 # for the benchmark specification files.
 
+ [[Suites]]
+  Name = "wazero"
+  Repo = "github.com/tetratelabs/wazero/internal/integration_test/bench"
+  Version = "@v1.7.3"
+
  [[Suites]]
   Name = "toml"
   Repo = "github.com/BurntSushi/toml"