Add cargo_deps to benchmarks (#9075)

cli/bench/main.rs

@@ -405,6 +405,21 @@ fn run_max_mem_benchmark(deno_exe: &PathBuf) -> Result<Value> {
   Ok(Value::Object(results))
 }
 
+fn cargo_deps() -> usize {
+  let cargo_lock = test_util::root_path().join("Cargo.lock");
+  let mut count = 0;
+  let file = std::fs::File::open(cargo_lock).unwrap();
+  use std::io::BufRead;
+  for line in std::io::BufReader::new(file).lines() {
+    if line.unwrap().starts_with("[[package]]") {
+      count += 1
+    }
+  }
+  println!("cargo_deps {}", count);
+  assert!(count > 10); // Sanity check.
+  count
+}
+
 /*
  TODO(SyrupThinker)
  Switch to the #[bench] attribute once
@@ -425,10 +440,6 @@ fn main() -> Result<()> {
   env::set_current_dir(&test_util::root_path())?;
 
   let mut new_data: Map<String, Value> = Map::new();
-
-  new_data.insert("binary_size".to_string(), get_binary_sizes(&target_dir)?);
-  new_data.insert("bundle_size".to_string(), bundle_benchmark(&deno_exe)?);
-
   new_data.insert(
     "created_at".to_string(),
     Value::String(
@@ -451,6 +462,10 @@ fn main() -> Result<()> {
     ),
   );
 
+  new_data.insert("binary_size".to_string(), get_binary_sizes(&target_dir)?);
+  new_data.insert("bundle_size".to_string(), bundle_benchmark(&deno_exe)?);
+  new_data.insert("cargo_deps".to_string(), Value::Number(cargo_deps().into()));
+
   // TODO(ry) The "benchmark" benchmark should actually be called "exec_time".
   // When this is changed, the historical data in gh-pages branch needs to be
   // changed too.