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Add subsystems regression tests to CI (#3527)
Fixes #3530
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| Original file line number | Diff line number | Diff line change |
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@@ -26,3 +26,4 @@ pub(crate) mod keyring; | |
| pub(crate) mod mock; | ||
| pub(crate) mod network; | ||
| pub mod usage; | ||
| pub mod utils; | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,76 @@ | ||
| // Copyright (C) Parity Technologies (UK) Ltd. | ||
| // This file is part of Polkadot. | ||
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| // Polkadot is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
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| // Polkadot is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License | ||
| // along with Polkadot. If not, see <http://www.gnu.org/licenses/>. | ||
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| //! Test utils | ||
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| use crate::usage::BenchmarkUsage; | ||
| use std::io::{stdout, Write}; | ||
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| pub struct WarmUpOptions<'a> { | ||
| /// The maximum number of runs considered for marming up. | ||
| pub warm_up: usize, | ||
| /// The number of runs considered for benchmarking. | ||
| pub bench: usize, | ||
| /// The difference in CPU usage between runs considered as normal | ||
| pub precision: f64, | ||
| /// The subsystems whose CPU usage is checked during warm-up cycles | ||
| pub subsystems: &'a [&'a str], | ||
| } | ||
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| impl<'a> WarmUpOptions<'a> { | ||
| pub fn new(subsystems: &'a [&'a str]) -> Self { | ||
| Self { warm_up: 100, bench: 3, precision: 0.02, subsystems } | ||
| } | ||
| } | ||
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| pub fn warm_up_and_benchmark( | ||
| options: WarmUpOptions, | ||
| run: impl Fn() -> BenchmarkUsage, | ||
| ) -> Result<BenchmarkUsage, String> { | ||
| println!("Warming up..."); | ||
| let mut usages = Vec::with_capacity(options.bench); | ||
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| for n in 1..=options.warm_up { | ||
| let curr = run(); | ||
| if let Some(prev) = usages.last() { | ||
| let diffs = options | ||
| .subsystems | ||
| .iter() | ||
| .map(|&v| { | ||
| curr.cpu_usage_diff(prev, v) | ||
| .ok_or(format!("{} not found in benchmark {:?}", v, prev)) | ||
| }) | ||
| .collect::<Result<Vec<f64>, String>>()?; | ||
| if !diffs.iter().all(|&v| v < options.precision) { | ||
| usages.clear(); | ||
| } | ||
| } | ||
| usages.push(curr); | ||
| print!("\r{}%", n * 100 / options.warm_up); | ||
| if usages.len() == options.bench { | ||
| println!("\rTook {} runs to warm up", n.saturating_sub(options.bench)); | ||
| break; | ||
| } | ||
| stdout().flush().unwrap(); | ||
| } | ||
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| if usages.len() != options.bench { | ||
| println!("Didn't warm up after {} runs", options.warm_up); | ||
| return Err("Can't warm up".to_string()) | ||
| } | ||
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| Ok(BenchmarkUsage::average(&usages)) | ||
| } |