be57a3750d
Adds instrumentation to track input-to-frame latency in GPUI windows, helping diagnose input responsiveness issues. ## What this does - Records the time between when an input event is dispatched and when the resulting frame is presented, capturing worst-case latency when multiple events are coalesced into a single frame. - Tracks how many input events get coalesced per rendered frame. - Both metrics are stored in [HdrHistogram](https://docs.rs/hdrhistogram) instances with 3 significant digits of precision. - Latency is only recorded when the input event actually causes a redraw (i.e. marks the window dirty), so idle mouse moves and other no-op events don't skew the data. - Adds a `Dump Input Latency Histogram` command that opens a buffer with a formatted report including percentile breakdowns and visual distribution bars. ## Example output The report shows percentile latencies, a bucketed distribution with bar charts, and a per-frame event coalescing breakdown. Release Notes: - N/A --------- Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: Cole Miller <cole@zed.dev>
Zed
Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Installation
On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).
Other platforms are not yet available:
- Web (tracking issue)
Developing Zed
Contributing
See CONTRIBUTING.md for ways you can contribute to Zed.
Also... we're hiring! Check out our jobs page for open roles.
Licensing
License information for third party dependencies must be correctly provided for CI to pass.
We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:
- Is it showing a
no license specifiederror for a crate you've created? If so, addpublish = falseunder[package]in your crate's Cargo.toml. - Is the error
failed to satisfy license requirementsfor a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to theacceptedarray inscript/licenses/zed-licenses.toml. - Is
cargo-aboutunable to find the license for a dependency? If so, add a clarification field at the end ofscript/licenses/zed-licenses.toml, as specified in the cargo-about book.
Sponsorship
Zed is developed by Zed Industries, Inc., a for-profit company.
If you’d like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.