Merge pull request #3475 from DataDog/bm-digest

benchmarks/tracing_trace.rb

@@ -66,6 +66,22 @@ def trace(x, depth)
       x.compare!
     end
   end
+
+  def benchmark_to_digest
+    Datadog::Tracing.trace('op.name') do |span, trace|
+      Benchmark.ips do |x|
+        benchmark_time = VALIDATE_BENCHMARK_MODE ? { time: 0.001, warmup: 0 } : { time: 10.5, warmup: 2 }
+        x.config(**benchmark_time)
+
+        x.report("trace.to_digest") do
+          trace.to_digest
+        end
+
+        x.save! "#{__FILE__}-results.json" unless VALIDATE_BENCHMARK_MODE
+        x.compare!
+      end
+    end
+  end
 end
 
 puts "Current pid is #{Process.pid}"
@@ -81,4 +97,5 @@ def run_benchmark(&block)
 TracingTraceBenchmark.new.instance_exec do
   run_benchmark { benchmark_no_writer }
   run_benchmark { benchmark_no_network }
+  run_benchmark { benchmark_to_digest }
 end