mirror of
https://github.com/denoland/deno
synced 2024-08-28 12:29:31 +00:00
![Asher Gomez](/assets/img/avatar_default.png)
Note: tests are not the only part of the codebase that uses `std`. Other parts, like `tools/`, do too. So, it could be argued that this is a little misleading. Either way, I'm doing this as discussed with @mmastrac.
552 lines
13 KiB
Rust
552 lines
13 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use deno_core::error::AnyError;
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use deno_core::serde_json;
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use deno_core::serde_json::Value;
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use std::collections::HashMap;
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use std::convert::From;
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use std::env;
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use std::fs;
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use std::path::Path;
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use std::path::PathBuf;
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use std::process::Command;
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use std::process::Stdio;
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use std::time::SystemTime;
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use test_util::PathRef;
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include!("../util/time.rs");
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mod http;
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mod lsp;
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fn read_json(filename: &Path) -> Result<Value> {
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let f = fs::File::open(filename)?;
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Ok(serde_json::from_reader(f)?)
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}
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fn write_json(filename: &Path, value: &Value) -> Result<()> {
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let f = fs::File::create(filename)?;
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serde_json::to_writer(f, value)?;
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Ok(())
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}
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/// The list of the tuples of the benchmark name, arguments and return code
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const EXEC_TIME_BENCHMARKS: &[(&str, &[&str], Option<i32>)] = &[
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// we need to run the cold_* benchmarks before the _warm_ ones as they ensure
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// the cache is properly populated, instead of other tests possibly
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// invalidating that cache.
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(
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"cold_hello",
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&["run", "--reload", "tests/testdata/run/002_hello.ts"],
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None,
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),
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(
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"cold_relative_import",
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&[
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"run",
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"--reload",
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"tests/testdata/run/003_relative_import.ts",
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],
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None,
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),
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("hello", &["run", "tests/testdata/run/002_hello.ts"], None),
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(
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"relative_import",
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&["run", "tests/testdata/run/003_relative_import.ts"],
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None,
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),
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(
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"error_001",
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&["run", "tests/testdata/run/error_001.ts"],
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Some(1),
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),
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(
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"no_check_hello",
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&[
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"run",
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"--reload",
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"--no-check",
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"tests/testdata/run/002_hello.ts",
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],
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None,
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),
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(
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"workers_startup",
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&[
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"run",
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"--allow-read",
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"tests/testdata/workers/bench_startup.ts",
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],
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None,
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),
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(
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"workers_round_robin",
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&[
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"run",
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"--allow-read",
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"tests/testdata/workers/bench_round_robin.ts",
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],
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None,
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),
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(
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"workers_large_message",
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&[
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"run",
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"--allow-read",
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"tests/testdata/workers/bench_large_message.ts",
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],
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None,
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),
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(
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"text_decoder",
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&["run", "tests/testdata/benches/text_decoder_perf.js"],
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None,
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),
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(
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"text_encoder",
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&["run", "tests/testdata/benches/text_encoder_perf.js"],
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None,
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),
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(
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"text_encoder_into",
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&["run", "tests/testdata/benches/text_encoder_into_perf.js"],
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None,
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),
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(
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"response_string",
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&["run", "tests/testdata/benches/response_string_perf.js"],
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None,
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),
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(
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"check",
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&[
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"check",
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"--reload",
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"--unstable",
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"tests/util/std/http/file_server_test.ts",
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],
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None,
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),
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(
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"no_check",
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&[
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"cache",
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"--reload",
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"--no-check",
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"--unstable",
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"tests/util/std/http/file_server_test.ts",
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],
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None,
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),
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(
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"bundle",
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&[
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"bundle",
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"--unstable",
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"tests/util/std/http/file_server_test.ts",
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],
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None,
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),
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(
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"bundle_no_check",
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&[
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"bundle",
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"--no-check",
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"--unstable",
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"tests/util/std/http/file_server_test.ts",
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],
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None,
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),
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];
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const RESULT_KEYS: &[&str] =
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&["mean", "stddev", "user", "system", "min", "max"];
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fn run_exec_time(
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deno_exe: &Path,
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target_dir: &PathRef,
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) -> Result<HashMap<String, HashMap<String, f64>>> {
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let hyperfine_exe = test_util::prebuilt_tool_path("hyperfine").to_string();
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let benchmark_file = target_dir.join("hyperfine_results.json");
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let benchmark_file_str = benchmark_file.to_string();
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let mut command = [
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hyperfine_exe.as_str(),
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"--export-json",
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benchmark_file_str.as_str(),
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"--warmup",
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"3",
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]
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.iter()
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.map(|s| s.to_string())
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.collect::<Vec<_>>();
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for (_, args, return_code) in EXEC_TIME_BENCHMARKS {
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let ret_code_test = if let Some(code) = return_code {
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// Bash test which asserts the return code value of the previous command
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// $? contains the return code of the previous command
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format!("; test $? -eq {code}")
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} else {
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"".to_string()
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};
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command.push(format!(
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"{} {} {}",
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deno_exe.to_str().unwrap(),
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args.join(" "),
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ret_code_test
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));
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}
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test_util::run(
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&command.iter().map(|s| s.as_ref()).collect::<Vec<_>>(),
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None,
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None,
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None,
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true,
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);
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let mut results = HashMap::<String, HashMap<String, f64>>::new();
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let hyperfine_results = read_json(benchmark_file.as_path())?;
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for ((name, _, _), data) in EXEC_TIME_BENCHMARKS.iter().zip(
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hyperfine_results
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.as_object()
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.unwrap()
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.get("results")
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.unwrap()
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.as_array()
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.unwrap(),
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) {
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let data = data.as_object().unwrap().clone();
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results.insert(
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name.to_string(),
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data
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.into_iter()
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.filter(|(key, _)| RESULT_KEYS.contains(&key.as_str()))
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.map(|(key, val)| (key, val.as_f64().unwrap()))
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.collect(),
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);
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}
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Ok(results)
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}
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fn rlib_size(target_dir: &std::path::Path, prefix: &str) -> i64 {
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let mut size = 0;
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let mut seen = std::collections::HashSet::new();
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for entry in std::fs::read_dir(target_dir.join("deps")).unwrap() {
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let entry = entry.unwrap();
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let os_str = entry.file_name();
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let name = os_str.to_str().unwrap();
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if name.starts_with(prefix) && name.ends_with(".rlib") {
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let start = name.split('-').next().unwrap().to_string();
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if seen.contains(&start) {
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println!("skip {name}");
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} else {
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seen.insert(start);
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size += entry.metadata().unwrap().len();
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println!("check size {name} {size}");
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}
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}
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}
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assert!(size > 0);
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size as i64
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}
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const BINARY_TARGET_FILES: &[&str] = &[
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"CLI_SNAPSHOT.bin",
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"RUNTIME_SNAPSHOT.bin",
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"COMPILER_SNAPSHOT.bin",
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];
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fn get_binary_sizes(target_dir: &Path) -> Result<HashMap<String, i64>> {
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let mut sizes = HashMap::<String, i64>::new();
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let mut mtimes = HashMap::<String, SystemTime>::new();
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sizes.insert(
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"deno".to_string(),
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test_util::deno_exe_path().as_path().metadata()?.len() as i64,
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);
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// add up size for everything in target/release/deps/libswc*
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let swc_size = rlib_size(target_dir, "libswc");
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println!("swc {swc_size} bytes");
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sizes.insert("swc_rlib".to_string(), swc_size);
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let v8_size = rlib_size(target_dir, "libv8");
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println!("v8 {v8_size} bytes");
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sizes.insert("rusty_v8_rlib".to_string(), v8_size);
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// Because cargo's OUT_DIR is not predictable, search the build tree for
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// snapshot related files.
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for file in walkdir::WalkDir::new(target_dir) {
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let file = match file {
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Ok(file) => file,
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Err(_) => continue,
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};
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let filename = file.file_name().to_str().unwrap().to_string();
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if !BINARY_TARGET_FILES.contains(&filename.as_str()) {
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continue;
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}
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let meta = file.metadata()?;
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let file_mtime = meta.modified()?;
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// If multiple copies of a file are found, use the most recent one.
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if let Some(stored_mtime) = mtimes.get(&filename) {
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if *stored_mtime > file_mtime {
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continue;
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}
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}
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mtimes.insert(filename.clone(), file_mtime);
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sizes.insert(filename, meta.len() as i64);
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}
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Ok(sizes)
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}
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const BUNDLES: &[(&str, &str)] = &[
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("file_server", "./tests/util/std/http/file_server.ts"),
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("welcome", "./tests/testdata/welcome.ts"),
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];
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fn bundle_benchmark(deno_exe: &Path) -> Result<HashMap<String, i64>> {
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let mut sizes = HashMap::<String, i64>::new();
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for (name, url) in BUNDLES {
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let path = format!("{name}.bundle.js");
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test_util::run(
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&[
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deno_exe.to_str().unwrap(),
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"bundle",
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"--unstable",
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url,
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&path,
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],
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None,
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None,
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None,
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true,
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);
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let file = PathBuf::from(path);
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assert!(file.is_file());
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sizes.insert(name.to_string(), file.metadata()?.len() as i64);
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let _ = fs::remove_file(file);
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}
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Ok(sizes)
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}
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fn run_max_mem_benchmark(deno_exe: &Path) -> Result<HashMap<String, i64>> {
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let mut results = HashMap::<String, i64>::new();
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for (name, args, return_code) in EXEC_TIME_BENCHMARKS {
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let proc = Command::new("time")
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.args(["-v", deno_exe.to_str().unwrap()])
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.args(args.iter())
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.stdout(Stdio::null())
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.stderr(Stdio::piped())
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.spawn()?;
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let proc_result = proc.wait_with_output()?;
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if let Some(code) = return_code {
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assert_eq!(proc_result.status.code().unwrap(), *code);
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}
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let out = String::from_utf8(proc_result.stderr)?;
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results.insert(
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name.to_string(),
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test_util::parse_max_mem(&out).unwrap() as i64,
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);
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}
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Ok(results)
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}
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fn cargo_deps() -> usize {
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let cargo_lock = test_util::root_path().join("Cargo.lock");
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let mut count = 0;
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let file = std::fs::File::open(cargo_lock).unwrap();
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use std::io::BufRead;
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for line in std::io::BufReader::new(file).lines() {
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if line.unwrap().starts_with("[[package]]") {
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count += 1
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}
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}
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println!("cargo_deps {count}");
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assert!(count > 10); // Sanity check.
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count
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}
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// TODO(@littledivy): Remove this, denoland/benchmark_data is deprecated.
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#[derive(Default, serde::Serialize)]
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struct BenchResult {
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created_at: String,
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sha1: String,
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// TODO(ry) The "benchmark" benchmark should actually be called "exec_time".
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// When this is changed, the historical data in gh-pages branch needs to be
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// changed too.
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benchmark: HashMap<String, HashMap<String, f64>>,
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binary_size: HashMap<String, i64>,
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bundle_size: HashMap<String, i64>,
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cargo_deps: usize,
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max_latency: HashMap<String, f64>,
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max_memory: HashMap<String, i64>,
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lsp_exec_time: HashMap<String, i64>,
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req_per_sec: HashMap<String, i64>,
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syscall_count: HashMap<String, i64>,
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thread_count: HashMap<String, i64>,
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}
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#[tokio::main]
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async fn main() -> Result<()> {
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let mut args = env::args();
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let mut benchmarks = vec![
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"bundle",
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"exec_time",
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"binary_size",
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"cargo_deps",
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"lsp",
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"http",
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"strace",
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"mem_usage",
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];
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let mut found_bench = false;
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let filter = args.nth(1);
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if let Some(filter) = filter {
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if filter != "--bench" {
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benchmarks.retain(|s| s == &filter);
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} else {
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found_bench = true;
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}
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}
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if !found_bench && !args.any(|s| s == "--bench") {
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return Ok(());
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}
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println!("Starting Deno benchmark");
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let target_dir = test_util::target_dir();
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let deno_exe = test_util::deno_exe_path().to_path_buf();
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env::set_current_dir(test_util::root_path())?;
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let mut new_data = BenchResult {
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created_at: utc_now().to_rfc3339_opts(chrono::SecondsFormat::Secs, true),
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sha1: test_util::run_collect(
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&["git", "rev-parse", "HEAD"],
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None,
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None,
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None,
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true,
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)
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.0
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.trim()
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.to_string(),
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..Default::default()
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};
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if benchmarks.contains(&"bundle") {
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let bundle_size = bundle_benchmark(&deno_exe)?;
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new_data.bundle_size = bundle_size;
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}
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if benchmarks.contains(&"exec_time") {
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let exec_times = run_exec_time(&deno_exe, &target_dir)?;
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new_data.benchmark = exec_times;
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}
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if benchmarks.contains(&"binary_size") {
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let binary_sizes = get_binary_sizes(target_dir.as_path())?;
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new_data.binary_size = binary_sizes;
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}
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if benchmarks.contains(&"cargo_deps") {
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let cargo_deps = cargo_deps();
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new_data.cargo_deps = cargo_deps;
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}
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if benchmarks.contains(&"lsp") {
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let lsp_exec_times = lsp::benchmarks(&deno_exe);
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new_data.lsp_exec_time = lsp_exec_times;
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}
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if benchmarks.contains(&"http") && cfg!(not(target_os = "windows")) {
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let stats = http::benchmark(target_dir.as_path())?;
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let req_per_sec = stats
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.iter()
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.map(|(name, result)| (name.clone(), result.requests as i64))
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.collect();
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new_data.req_per_sec = req_per_sec;
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let max_latency = stats
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.iter()
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.map(|(name, result)| (name.clone(), result.latency))
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.collect();
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new_data.max_latency = max_latency;
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}
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if cfg!(target_os = "linux") && benchmarks.contains(&"strace") {
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use std::io::Read;
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let mut thread_count = HashMap::<String, i64>::new();
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let mut syscall_count = HashMap::<String, i64>::new();
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for (name, args, expected_exit_code) in EXEC_TIME_BENCHMARKS {
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let mut file = tempfile::NamedTempFile::new()?;
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let exit_status = Command::new("strace")
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.args([
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"-c",
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"-f",
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"-o",
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file.path().to_str().unwrap(),
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deno_exe.to_str().unwrap(),
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])
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.args(args.iter())
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.stdout(Stdio::null())
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.env("LC_NUMERIC", "C")
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.spawn()?
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.wait()?;
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let expected_exit_code = expected_exit_code.unwrap_or(0);
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assert_eq!(exit_status.code(), Some(expected_exit_code));
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let mut output = String::new();
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file.as_file_mut().read_to_string(&mut output)?;
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let strace_result = test_util::parse_strace_output(&output);
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let clone =
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strace_result
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.get("clone")
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.map(|d| d.calls)
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.unwrap_or_else(|| {
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strace_result.get("clone3").map(|d| d.calls).unwrap_or(0)
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})
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+ 1;
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let total = strace_result.get("total").unwrap().calls;
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thread_count.insert(name.to_string(), clone as i64);
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syscall_count.insert(name.to_string(), total as i64);
|
|
}
|
|
|
|
new_data.thread_count = thread_count;
|
|
new_data.syscall_count = syscall_count;
|
|
}
|
|
|
|
if benchmarks.contains(&"mem_usage") {
|
|
let max_memory = run_max_mem_benchmark(&deno_exe)?;
|
|
new_data.max_memory = max_memory;
|
|
}
|
|
|
|
write_json(
|
|
target_dir.join("bench.json").as_path(),
|
|
&serde_json::to_value(&new_data)?,
|
|
)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
pub type Result<T> = std::result::Result<T, AnyError>;
|