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https://github.com/wez/wezterm.git
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mux: add some metrics around reading from ptys
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parent
77c5acaaf5
commit
566243ade5
1
Cargo.lock
generated
1
Cargo.lock
generated
@ -2499,6 +2499,7 @@ dependencies = [
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"libc",
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"log",
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"luahelper",
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"metrics",
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"portable-pty",
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"promise",
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"rangeset",
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@ -19,6 +19,7 @@ lazy_static = "1.4"
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libc = "0.2"
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log = "0.4"
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luahelper = { path = "../luahelper" }
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metrics = { version="0.16", features=["std"]}
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portable-pty = { path = "../pty", features = ["serde_support"]}
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promise = { path = "../promise" }
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rangeset = { path = "../rangeset" }
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@ -5,6 +5,7 @@ use anyhow::{anyhow, Error};
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use config::{configuration, ExitBehavior};
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use domain::{Domain, DomainId};
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use log::error;
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use metrics::histogram;
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use portable_pty::ExitStatus;
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use std::cell::{Ref, RefCell, RefMut};
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use std::collections::HashMap;
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@ -13,9 +14,8 @@ use std::io::Read;
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use std::rc::Rc;
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use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
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use std::sync::{Arc, Condvar, Mutex};
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use std::time::Duration;
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use std::thread;
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use std::time::{Duration, Instant};
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use termwiz::escape::Action;
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use thiserror::*;
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@ -66,12 +66,18 @@ pub struct Mux {
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/// It blocks until the mux has finished consuming the data, which provides
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/// some back-pressure so that eg: ctrl-c can remain responsive.
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fn send_actions_to_mux(pane_id: PaneId, dead: &Arc<AtomicBool>, actions: Vec<Action>) {
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let start = Instant::now();
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promise::spawn::block_on(promise::spawn::spawn_into_main_thread({
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let dead = Arc::clone(&dead);
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async move {
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let mux = Mux::get().unwrap();
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if let Some(pane) = mux.get_pane(pane_id) {
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let start = Instant::now();
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pane.perform_actions(actions);
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histogram!(
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"send_actions_to_mux.perform_actions.latency",
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start.elapsed()
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);
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mux.notify(MuxNotification::PaneOutput(pane_id));
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} else {
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// Something else removed the pane from
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@ -81,6 +87,8 @@ fn send_actions_to_mux(pane_id: PaneId, dead: &Arc<AtomicBool>, actions: Vec<Act
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}
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}
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}));
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histogram!("send_actions_to_mux.latency", start.elapsed());
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histogram!("send_actions_to_mux.rate", 1.);
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}
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struct BufState {
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@ -91,8 +99,10 @@ struct BufState {
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impl BufState {
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fn write(&self, buf: &[u8]) {
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let start = Instant::now();
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let mut queue = self.queue.lock().unwrap();
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queue.extend(buf);
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histogram!("read_from_pane_pty.BufState.extend", start.elapsed());
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self.cond.notify_one();
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}
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}
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@ -179,6 +189,7 @@ fn read_from_pane_pty(pane_id: PaneId, banner: Option<String>, mut reader: Box<d
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break;
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}
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Ok(size) => {
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histogram!("read_from_pane_pty.bytes.rate", size as f64);
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state.write(&buf[..size]);
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}
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}
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