abrasion/engine/util/profiler.rs

46 lines
1.3 KiB
Rust

// Copyright 2020 Sergiusz 'q3k' Bazanski <q3k@q3k.org>
//
// This file is part of Abrasion.
//
// Abrasion 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, version 3.
//
// Abrasion 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.
//
// You should have received a copy of the GNU General Public License along with
// Abrasion. If not, see <https://www.gnu.org/licenses/>.
use std::time;
use std::vec::Vec;
pub struct Profiler {
sections: Vec<(String, time::Duration)>,
cur: time::Instant,
}
impl Profiler {
pub fn new() -> Self {
Self {
sections: Vec::new(),
cur: time::Instant::now(),
}
}
pub fn end(&mut self, name: &str) {
let now = time::Instant::now();
self.sections.push((name.to_string(), now.duration_since(self.cur)));
self.cur = now;
}
pub fn print(&self) {
let total: f64 = self.sections.iter().map(|(_, d)| d.as_secs_f64()).sum();
for (n, d) in &self.sections {
log::debug!("{}: {:.5}%", n, 100.0*d.as_secs_f64()/total);
}
}
}