Benchmarks for AnyValue

opentelemetry/Cargo.toml

@@ -52,3 +52,7 @@ required-features = ["metrics"]
 [[bench]]
 name = "attributes"
 harness = false
+
+[[bench]]
+name = "logrecord_types"
+harness = false

opentelemetry/benches/logrecord_types.rs

@@ -0,0 +1,38 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use opentelemetry::{logs::AnyValue, Key, KeyValue};
+
+// Run this benchmark with:
+// cargo bench --bench logrecord_types
+// Results:
+// CreateOTelKeyValue 2-3 ns
+// CreateOTelKeyAnyValue 30 ns
+// CreateTupleKeyValue < 1 ns
+
+fn criterion_benchmark(c: &mut Criterion) {
+    attributes_creation(c);
+}
+
+fn attributes_creation(c: &mut Criterion) {
+    c.bench_function("CreateOTelKeyValue", |b| {
+        b.iter(|| {
+            let _v1 = black_box(KeyValue::new("attribute1", "value1"));
+        });
+    });
+
+    c.bench_function("CreateOTelKeyAnyValue", |b| {
+        b.iter(|| {            
+            let _k= black_box(Key::new("attribute1"));
+            let _v1 = black_box(AnyValue::String("value1".to_string().into()));
+        });
+    });
+
+    c.bench_function("CreateTupleKeyValue", |b| {
+        b.iter(|| {
+            let _v1 = black_box(("attribute1", "value1"));
+        });
+    });
+}
+
+criterion_group!(benches, criterion_benchmark);
+
+criterion_main!(benches);