google/walt

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A device for measuring latency of physical sensors and outputs on phones and computers

Stars: 473
Forks: 74
Open beginner issues: 0
Indexed issues: 23

Dominant language: Java
License: Apache-2.0
Last GitHub push: Nov 7, 2025
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Open All

23 open issues indexed

Use smaller buffers for microphone latency measurement Open

google/walt#1 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Check clock drift and warn if too large Open

google/walt#24 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Input audio latency test fails with "WARNING: No sound detected" Open

google/walt#30 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Scroll latency testing? Open

google/walt#49 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Consider publishing WALT results on a public website Open

enhancement

google/walt#50 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Allow kernel-to-app tap latency measurement without WALT connected Open

enhancement

google/walt#53 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Investigate recording enqueue latency Open

google/walt#69 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Brightness curve test reports data from previous test Open

bug

google/walt#74 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Allow for configurable screen transition thresholds Open

google/walt#80 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Problem with bridge mode with remote desktop Open

google/walt#84 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Allow resizing the window on ChromeOS Open

google/walt#87 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Show help tooltips when help icon is pressed for each test Open

google/walt#97 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Exception when brightness curve, then blink test Open

google/walt#99 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Latency measurements for other devices? Open

google/walt#103 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Create a form where developers can request a WALT device Open

google/walt#104 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
WALT firmware for Adafruit ADXL335 board Open

google/walt#109 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Tap Latency test should show average latency Open

google/walt#111 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add AAudio support Open

google/walt#112 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
WALT app is not displaying properly on an Android TV device Open

google/walt#117 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Cannot connect my phone. to the WALT Open

google/walt#118 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
tap latency need accelerometer Open

google/walt#120 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
About fastpath mode in screen latency test Open

google/walt#121 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Tap latency measurement doesn't work on Android 15 Open

google/walt#126 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

google/walt

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