chore(sampling): add sampling types and benchmark for v04

Author: bantonsson

Cargo.lock

@@ -22,7 +22,7 @@ pushd "${PROJECT_DIR}" > /dev/null
 
 # Run benchmarks
 message "Running benchmarks"
-cargo bench --workspace --features libdd-crashtracker/benchmarking -- --warm-up-time 1 --measurement-time 5 --sample-size=200
+cargo bench --workspace --features libdd-crashtracker/benchmarking,libdd-sampling/v04_span -- --warm-up-time 1 --measurement-time 5 --sample-size=200
 message "Finished running benchmarks"
 
 # Copy the benchmark results to the output directory

benchmark/run_benchmarks_ci.sh

@@ -10,11 +10,27 @@ license.workspace = true
 repository = "https://github.com/DataDog/libdatadog/tree/main/libdd-sampling"
 description = "Core sampling logic for Datadog tracing"
 authors.workspace = true
+autobenches = false
+
+[lib]
+bench = false
+
+[[bench]]
+name = "sampling_bench"
+harness = false
+path = "benches/sampling_bench.rs"
+required-features = ["v04_span"]
 
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 lru = "0.16.3"
+libdd-trace-utils = { path = "../libdd-trace-utils", optional = true }
+
+[features]
+v04_span = ["dep:libdd-trace-utils"]
 
 [dev-dependencies]
 criterion = "0.5"
+libdd-common = { path = "../libdd-common", features = ["bench-utils"] }
+libdd-trace-utils = { path = "../libdd-trace-utils" }