}

}

/// The [rustc-perf](https://github.com/rust-lang/rustc-perf) benchmark suite, which is added

/// as a submodule at `src/tools/rustc-perf`.

#[derive(Debug, Clone, Hash, PartialEq, Eq)]

pub struct RustcPerf {

pub compiler: Compiler,

pub target: TargetSelection,

}

impl Step for RustcPerf {

/// Path to the built `collector` binary.

type Output = PathBuf;

fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {

run.path("src/tools/rustc-perf")

}

fn make_run(run: RunConfig<'_>) {

run.builder.ensure(RustcPerf {

compiler: run.builder.compiler(0, run.builder.config.build),

target: run.target,

});

}

fn run(self, builder: &Builder<'_>) -> PathBuf {

// We need to ensure the rustc-perf submodule is initialized.

builder.update_submodule(Path::new("src/tools/rustc-perf"));

let target = builder.ensure(ToolBuild {

compiler: self.compiler,

target: self.target,

tool: "collector",

mode: Mode::ToolBootstrap,

path: "src/tools/rustc-perf",

source_type: SourceType::Submodule,

extra_features: Vec::new(),

allow_features: "",

// Only build the collector package, which is used for benchmarking through

// a CLI.

cargo_args: vec!["-p".to_string(), "collector".to_string()],

});

target

}

}

#[derive(Debug, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)]

pub struct ErrorIndex {

pub compiler: Compiler,