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Make pool size a property of concurrency

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Signed-off-by: William Woodruff <william@yossarian.net>
This commit is contained in:
William Woodruff
2026-06-12 11:49:33 -04:00
parent 3810caaa36
commit de6b7193cc
1 changed files with 7 additions and 2 deletions
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crates/uv-dev/src/coverage.rs
+7 -2
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@@ -8,6 +8,7 @@ use anstream::println;
use anyhow::{Context, Result, bail};
use clap::Parser;
use serde_json::Value;
use uv_configuration::Concurrency;
use uv_fastid::Id;
use crate::ROOT_DIR;
@@ -64,8 +65,12 @@ pub(crate) fn coverage(args: CoverageArgs) -> Result<()> {
println!("Coverage tracking ID: {tracking_id}");
println!("Raw profiles: {}", raw_profiles.display());
// Bound disk usage while retaining enough merge slots for concurrent test processes.
let profile_pattern = raw_profiles.join("%16m.profraw");
// Match the merge pool to available parallelism to reduce profile lock contention without
// creating unnecessary files.
let profile_pool_size = Concurrency::threads();
println!("Using a pool of {profile_pool_size} profile files");
let profile_pattern = raw_profiles.join(format!("%{profile_pool_size}m.profraw"));
let mut child = Command::new("cargo")
.args([
"nextest",