tests to a separate mod; benchmarks; rust update

pyroscope/pprof-bin/Cargo.toml

@@ -31,6 +31,11 @@ memchr = "2.7.4"
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.34"
+criterion = { version = "0.5.1", features = ["html_reports"] }
+
+[[bench]]
+name = "my_benchmark"
+harness = false
 
 [profile.release]
 # Tell `rustc` to optimize for small code size.

pyroscope/pprof-bin/benches/my_benchmark.rs

@@ -0,0 +1,18 @@
+use pprof_bin::merge_prof;
+use pprof_bin::utest::get_test_pprof_data;
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+
+fn merge_bench(pprofs: &Vec<Vec<u8>>) {
+
+    for pprof in pprofs {
+        merge_prof(0, pprof.as_slice(), "process_cpu:samples:count:cpu:nanoseconds".to_string());
+    }
+}
+
+fn criterion_benchmark(c: &mut Criterion) {
+    let pprofs = get_test_pprof_data();
+    c.bench_function("merge", |b| b.iter(|| merge_bench(&pprofs)));
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);