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add program options for tokio histogram settings

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk
2024-12-19 07:01:15 +00:00
committed by strawberry
parent af3d6a2e37
commit 674acc8657
2 changed files with 19 additions and 11 deletions
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12
src/main/clap.rs
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@@ -38,6 +38,18 @@ pub(crate) struct Args {
/// Override the tokio worker_thread count.
#[arg(long, hide(true), env = "TOKIO_WORKER_THREADS", default_value = available_parallelism().to_string())]
pub(crate) worker_threads: usize,
/// Set the histogram bucket size, in microseconds (tokio_unstable). Default
/// is 25 microseconds. If the values of the histogram don't approach zero
/// with the exception of the last bucket, try increasing this value to e.g.
/// 50 or 100. Inversely, decrease to 10 etc if the histogram lacks
/// resolution.
#[arg(long, hide(true), env = "CONDUWUIT_RUNTIME_HISTOGRAM_INTERVAL", default_value = "25")]
pub(crate) worker_histogram_interval: u64,
/// Set the histogram bucket count (tokio_unstable). Default is 20.
#[arg(long, hide(true), env = "CONDUWUIT_RUNTIME_HISTOGRAM_BUCKETS", default_value = "20")]
pub(crate) worker_histogram_buckets: usize,
}
/// Parse commandline arguments into structured data