gpui_base/
measure.rs

1use gpui::SharedString;
2
3#[inline]
4pub fn measurement_enabled() -> bool {
5    std::env::var("ZED_MEASUREMENTS").is_ok() || std::env::var("GPUI_MEASUREMENTS").is_ok()
6}
7
8/// Measures `f` when `if_` is true and measurement logging is enabled.
9#[inline]
10#[track_caller]
11pub fn measure_if(name: impl Into<SharedString>, if_: bool, f: impl FnOnce()) {
12    if if_ && measurement_enabled() {
13        let measure = Measure::new(name);
14        f();
15        measure.end();
16    } else {
17        f();
18    }
19}
20
21/// Measures `f` when measurement logging is enabled.
22#[inline]
23#[track_caller]
24pub fn measure(name: impl Into<SharedString>, f: impl FnOnce()) {
25    measure_if(name, true, f);
26}
27
28/// An elapsed-time measurement emitted through `tracing` when ended.
29pub struct Measure {
30    name: SharedString,
31    start: instant::Instant,
32}
33
34impl Measure {
35    #[track_caller]
36    pub fn new(name: impl Into<SharedString>) -> Self {
37        Self {
38            name: name.into(),
39            start: instant::Instant::now(),
40        }
41    }
42
43    #[track_caller]
44    pub fn end(self) {
45        let duration = self.start.elapsed();
46        tracing::trace!("{} in {:?}", self.name, duration);
47    }
48}
gpui_base/measure.rs

gpui_base/
measure.rs
