use super::super::utils::parse_tracing_duration;
use super::log_data::LogKey;
use super::log_data::LogRecord;
use super::log_data::Message;
use std::{collections::HashMap, time::Duration};
#[derive(Default)]
pub(crate) struct StatsReport {
data: HashMap<LogKey, Duration>,
}
impl StatsReport {
pub(crate) fn new() -> Self {
Self::default()
}
pub(crate) fn report<W: std::io::Write>(
self,
mut out: W,
sort_stats_by_duration: bool,
) -> std::io::Result<()> {
writeln!(out, "*** Statistics ***")?;
let mut stats_data: Vec<_> = self.data.into_iter().collect();
if sort_stats_by_duration {
stats_data.sort_unstable_by(|a, b| (a.1, &a.0).cmp(&(b.1, &b.0)).reverse());
} else {
stats_data.sort_unstable_by(|a, b| a.0.cmp(&b.0));
}
for (k, v) in stats_data {
writeln!(out, "{} {}: {:?}", k.target, k.span_name, v)?;
}
Ok(())
}
pub(crate) fn consider(&mut self, rec: LogRecord) -> eyre::Result<()> {
if let Message::Close(close) = &rec.value.fields {
let time_busy = parse_tracing_duration(&close.time_busy)?;
*self.data.entry(rec.get_key()).or_default() += time_busy;
}
Ok(())
}
}