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https://github.com/rust-lang/rust
synced 2024-10-01 06:14:33 +00:00
feat(opt-dist): new flag --benchmark-cargo-config
The flag propagates cargo configs to `rustc-perf --cargo-config`, which is particularly useful when the environment is air-gapped, and you want to use the default set of training crates vendored in the rustc-src tarball.
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@ -17,6 +17,9 @@ pub struct Environment {
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host_llvm_dir: Utf8PathBuf,
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/// List of test paths that should be skipped when testing the optimized artifacts.
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skipped_tests: Vec<String>,
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/// Arguments passed to `rustc-perf --cargo-config <value>` when running benchmarks.
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#[builder(default)]
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benchmark_cargo_config: Vec<String>,
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/// Directory containing a pre-built rustc-perf checkout.
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#[builder(default)]
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prebuilt_rustc_perf: Option<Utf8PathBuf>,
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@ -94,6 +97,10 @@ pub fn supports_shared_llvm(&self) -> bool {
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pub fn skipped_tests(&self) -> &[String] {
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&self.skipped_tests
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}
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pub fn benchmark_cargo_config(&self) -> &[String] {
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&self.benchmark_cargo_config
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}
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}
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/// What is the extension of binary executables on this platform?
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@ -90,6 +90,10 @@ enum EnvironmentCmd {
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#[clap(flatten)]
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shared: SharedArgs,
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/// Arguments passed to `rustc-perf --cargo-config <value>` when running benchmarks.
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#[arg(long)]
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benchmark_cargo_config: Vec<String>,
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},
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/// Perform an optimized build on Linux CI, from inside Docker.
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LinuxCi {
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@ -119,6 +123,7 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec<String>)>
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llvm_shared,
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use_bolt,
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skipped_tests,
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benchmark_cargo_config,
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shared,
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} => {
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let env = EnvironmentBuilder::default()
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@ -132,6 +137,7 @@ fn create_environment(args: Args) -> anyhow::Result<(Environment, Vec<String>)>
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.shared_llvm(llvm_shared)
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.use_bolt(use_bolt)
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.skipped_tests(skipped_tests)
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.benchmark_cargo_config(benchmark_cargo_config)
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.build()?;
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(env, shared.build_args)
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@ -36,7 +36,7 @@ fn init_compiler_benchmarks(
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// Run rustc-perf benchmarks
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// Benchmark using profile_local with eprintln, which essentially just means
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// don't actually benchmark -- just make sure we run rustc a bunch of times.
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cmd(&[
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let mut cmd = cmd(&[
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env.cargo_stage_0().as_str(),
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"run",
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"-p",
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@ -61,7 +61,17 @@ fn init_compiler_benchmarks(
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.env("RUST_LOG", "collector=debug")
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.env("RUSTC", env.rustc_stage_0().as_str())
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.env("RUSTC_BOOTSTRAP", "1")
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.workdir(&env.rustc_perf_dir())
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.workdir(&env.rustc_perf_dir());
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// This propagates cargo configs to `rustc-perf --cargo-config`,
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// which is particularly useful when the environment is air-gapped,
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// and you want to use the default set of training crates vendored
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// in the rustc-src tarball.
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for config in env.benchmark_cargo_config() {
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cmd = cmd.arg("--cargo-config").arg(config);
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}
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cmd
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}
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/// Describes which `llvm-profdata` binary should be used for merging PGO profiles.
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