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Performance tools for Flutter

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Repro: run a flutter test with flutter test test/foo_test.dart --start-paused. Copy the VM service URI and connect to DevTools. bugs: - data doesn't load on initial selection of vm tabs....

bug
vm-developer-mode

See https://github.com/flutter/devtools/pull/7191#pullrequestreview-1880714504 for context.

See https://github.com/dart-lang/sdk/issues/50546 Lack of information about field name makes it harder to troubleshoot memory leaks.

screen: memory
P1

it is not intuitive how to change the isolate that is being viewed for the isolate tab. We should have a selector up by the Refresh button that changes the...

usability
vm-developer-mode

Repro: run a flutter test with `flutter test test/foo_test.dart --start-paused`. Copy the VM service URI and connect to DevTools. Bugs: - incorrect main file is loaded - trying to switch...

bug
debugger page

Stack trace: Error at Object.qb (http://127.0.0.1:9101/main.dart.js:6162:18) at http://127.0.0.1:9101/main.dart.js:160270:5 at bDd.a (http://127.0.0.1:9101/main.dart.js:4771:62) at bDd.$2 (http://127.0.0.1:9101/main.dart.js:56657:14) at Object.m (http://127.0.0.1:9101/main.dart.js:4757:10) at z9.aD0 (http://127.0.0.1:9101/main.dart.js:160284:10) at z9.cb (http://127.0.0.1:9101/main.dart.js:160263:25) at z9.jD (http://127.0.0.1:9101/main.dart.js:160248:13) at ik.jD (http://127.0.0.1:9101/main.dart.js:88607:44) at...

Stack trace: null I'm working on a DevTools extension,[^2] I initially managed to get my UI to show up, following the steps over here,[^1] then this error started appearing randomly:...

devtools extensions

context: https://github.com/flutter/flutter/issues/142299

inspector page
P2

This is currently dead code that was being used to determine if a class in the inspector was a local class. We want to switch to using the kernel transformer...

release-notes-not-required

The test "returns privates only from library" in packages/devtools_app/test/debugger/debugger_evaluation_test.dart is failing flakily on the builder https://ci.chromium.org/ui/p/dart/builders/ci.sandbox/flutter-linux-customer-testing It is only this test that is failing, always with the same stack trace,...

test flake
P2