Add mochitests to check for modules being loaded too early on startup, and for too many accesses to preferences
Categories
(Thunderbird :: General, task)
Tracking
(thunderbird_esr78 wontfix, thunderbird81 wontfix)
People
(Reporter: standard8, Assigned: standard8)
References
(Blocks 2 open bugs)
Details
Attachments
(2 files)
There's a couple of performance related mochitests that Firefox has, that I think would be useful for Thunderbird:
- browser_startup.js - checks that modules/services are not loaded before certain points in the startup process. This aims to help developers adding things unnecessarily early - but rather delaying them until later when they are actually needed.
- browser_preferences_usage.js - checks various cases to ensure that preferences aren't accessed too frequently. Preference accesses can be expensive, and frequent accesses make that worse.
Bug 1660705 is an example that browser_startup.js has caught, and bug 1660702 is an example that browser_preferences_usage.js has caught.
Whilst these things may not be big in themselves, it all helps to start streamlining the startup process.
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Comment 1•4 years ago
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Comment 2•4 years ago
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Depends on D87975
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Comment 3•4 years ago
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Note: the patches I'm attaching are currently still in work. They could do with a few more bugs filing, and I'm also waiting on try server results.
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Updated•4 years ago
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Updated•4 years ago
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Pushed by mbanner@mozilla.com:
https://hg.mozilla.org/comm-central/rev/67e6e75c94c1
Add a mochitest performance test to ensure modules are not loaded too early on startup. r=mkmelin
https://hg.mozilla.org/comm-central/rev/3adb09ecdd2c
Add test to check for the amount of accesses of preferences on startup. r=mkmelin
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Assignee | |
Updated•4 years ago
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Pushed by mbanner@mozilla.com: https://hg.mozilla.org/comm-central/rev/7071e2e04481 Fix test bustage. Extend allowable pref ranges, workaround xpcshell child process issues.
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Updated•4 years ago
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Description
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