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Extend 'flutter symbolize' to handle deferred loading units.#149315

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sstrickl:deferred-symbolize
Sep 16, 2024
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Extend 'flutter symbolize' to handle deferred loading units.#149315
auto-submit[bot] merged 8 commits intoflutter:masterfrom
sstrickl:deferred-symbolize

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@sstrickl sstrickl commented May 30, 2024 •
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Adds -u/--unit-id-debug-info arguments to flutter symbolize to pass paths to DWARF information for deferred loading units. The argument passed via -u should be of the form N:P, where N is the loading unit ID (an integer) and P is the path to the debug information for loading unit N. The DWARF information for the root loading unit can either be passed by -d/--debug-info as before or by --unit-id-debug-info 1:<path>.

Partial fix for #137527. Additional work is needed to adjust tools built on top of flutter symbolize to store and pass along this additional information appropriately when there are deferred loading units.

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@github-actions github-actions bot added the tool Affects the "flutter" command-line tool. See also t: labels. label May 30, 2024
@sstrickl sstrickl force-pushed the deferred-symbolize branch from 7379fdb to 90bf11f Compare May 30, 2024 13:59
@sstrickl sstrickl marked this pull request as ready for review May 30, 2024 14:07
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andrewkolos commented Aug 8, 2024

@sstrickl Friendly ping.

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sstrickl commented Aug 9, 2024 •
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Thanks for the ping! Sorry, was on leave for a month and then forgot to re-check this once I returned. Looking at Christopher's responses now and will address them either code-wise or with words :)

@sstrickl sstrickl force-pushed the deferred-symbolize branch from 90bf11f to c511dcd Compare August 21, 2024 10:51
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sstrickl commented Aug 21, 2024

Okay, Christopher, I've taken a shot at addressing all your comments. PTAL and let me know if there's anything remaining, or if the changes don't address them adequately!

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LGTM

@andrewkolos andrewkolos self-requested a review August 22, 2024 20:36
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christopherfujino commented Aug 27, 2024

@andrewkolos friendly ping

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RSLGTM

@andrewkolos andrewkolos added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 29, 2024
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auto label is removed for flutter/flutter/149315, Failed to merge flutter/flutter/149315 with Pull request flutter/flutter/149315 could not be merged: You're not authorized to push to this branch. Visit https://docs.github.com/repositories/configuring-branches-and-merges-in-your-repository/managing-protected-branches/about-protected-branches for more information..

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@andrewkolos andrewkolos changed the base branch from main to master August 29, 2024 20:31
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auto label is removed for flutter/flutter/149315, due to - The status or check suite Mac_arm64 tool_tests_commands has failed. Please fix the issues identified (or deflake) before re-applying this label.

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sstrickl commented Sep 2, 2024

So looking at the failures, they all are the .dSYM tests, which are just checking that if the .dSYM package directory exists, are failing. However, I'm not sure why, as we never createSync the directory it's looking for in the fresh MemoryFileSystem created using MemoryFileSystem.test(), but _fileSystem.directory(fileName).exists[Sync] and _fileSystem.isDirectory[Sync] both return true for it despite it not being there, and so validation succeeds and its not until the run actually tries to read the bytes out of the non-existent file deep within the non-existent .dSYM directory that fails. Hmm.

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sstrickl commented Sep 16, 2024

Coming back to this after a couple weeks OOO and just realized that I never called _handleDSYM on the path passed as --debug-info, if any. That's why those tests were failing. 🤦‍♀️

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