Confirmed users
29
edits
DevTools/Intermittents: Difference between revisions
Jump to navigation
Jump to search
→Reproducing Test Failures locally
(Can only supply a directory) |
Victor.porof (talk | contribs) |
||
| Line 34: | Line 34: | ||
Because intermittents are often caused by race conditions, it's sometimes useful to enable Chaos Mode. This changes timings and event orderings a bit. The simplest way to do this is to enable it in a specific test, by | Because intermittents are often caused by race conditions, it's sometimes useful to enable Chaos Mode. This changes timings and event orderings a bit. The simplest way to do this is to enable it in a specific test, by | ||
calling <code>SimpleTest.testInChaosMode</code>. You can also set the <code>MOZ_CHAOSMODE</code> environment variable, or even hack <code>mfbt/ChaosMode.cpp</code> directly. | calling <code>SimpleTest.testInChaosMode</code>. You can also set the <code>MOZ_CHAOSMODE</code> environment variable, or even hack <code>mfbt/ChaosMode.cpp</code> directly. | ||
Some tests leak intermittently. Use `ac_add_options --enable-logrefcnt` in your mozconfig to potentially find them. | |||
The amazing rr has [http://robert.ocallahan.org/2016/02/introducing-rr-chaos-mode.html its own chaos mode]. | The amazing rr has [http://robert.ocallahan.org/2016/02/introducing-rr-chaos-mode.html its own chaos mode]. | ||