Bug 1775942 Comment 7 Edit History

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Original comment by
on 
The time to run each test increases by about 12s each time when run "10 times in one browser, in chaos mode".
```
*** Start BrowserChrome Test Results ***
INFO - checking window state
INFO - TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
INFO - GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
INFO - GECKO(1480) | 2022-12-13 10:25:40.172 firefox[1480:20303] Persistent UI failed to open file file:///Users/cltbld/Library/Saved%20Application%20State/org.mozilla.nightly.savedState/window_1.data: No such file or directory (2)
INFO - GECKO(1480) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
INFO - GECKO(1480) | MEMORY STAT | vsize 15986MB | residentFast 287MB | heapAllocated 117MB
INFO - TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 20493ms
INFO - checking window state
INFO - TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
INFO - GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
INFO - GECKO(1480) | MEMORY STAT | vsize 7805MB | residentFast 287MB | heapAllocated 116MB
INFO - TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 30574ms
INFO - checking window state
INFO - TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
INFO - GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
INFO - GECKO(1480) | MEMORY STAT | vsize 7800MB | residentFast 282MB | heapAllocated 117MB
INFO - TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 44060ms
INFO - checking window state
INFO - TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
INFO - GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
INFO - GECKO(1480) | MEMORY STAT | vsize 7801MB | residentFast 283MB | heapAllocated 116MB
INFO - TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 56407ms
INFO - checking window state
INFO - TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
INFO - GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
INFO - GECKO(1480) | MEMORY STAT | vsize 7801MB | residentFast 283MB | heapAllocated 116MB
INFO - TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 69687ms
INFO - checking window state
INFO - TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
INFO - GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
INFO - GECKO(1480) | MEMORY STAT | vsize 7802MB | residentFast 283MB | heapAllocated 118MB
INFO - TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 82731ms
```
Without chaos mode, there is no increase.

Different browser-chrome tests are not showing the same increase in [a more recent run](https://treeherder.mozilla.org/logviewer?job_id=401725910&repo=autoland).
Revision 1 by
on 
The time to run each test increases by about 12s each time when run "10 times in one browser, in chaos mode".
```
*** Start BrowserChrome Test Results ***
checking window state
TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
GECKO(1480) | 2022-12-13 10:25:40.172 firefox[1480:20303] Persistent UI failed to open file file:///Users/cltbld/Library/Saved%20Application%20State/org.mozilla.nightly.savedState/window_1.data: No such file or directory (2)
GECKO(1480) | MEMORY STAT vsizeMaxContiguous not supported in this build configuration.
GECKO(1480) | MEMORY STAT | vsize 15986MB | residentFast 287MB | heapAllocated 117MB
TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 20493ms
checking window state
TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
GECKO(1480) | MEMORY STAT | vsize 7805MB | residentFast 287MB | heapAllocated 116MB
TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 30574ms
checking window state
TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
GECKO(1480) | MEMORY STAT | vsize 7800MB | residentFast 282MB | heapAllocated 117MB
TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 44060ms
checking window state
TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
GECKO(1480) | MEMORY STAT | vsize 7801MB | residentFast 283MB | heapAllocated 116MB
TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 56407ms
checking window state
TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
GECKO(1480) | MEMORY STAT | vsize 7801MB | residentFast 283MB | heapAllocated 116MB
TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 69687ms
checking window state
TEST-START | browser/base/content/test/webrtc/browser_devices_select_audio_output.js
GECKO(1480) | TEST DEVICES: No test devices found (in media.{audio,video}_loopback_dev, using fake streams.
GECKO(1480) | MEMORY STAT | vsize 7802MB | residentFast 283MB | heapAllocated 118MB
TEST-OK | browser/base/content/test/webrtc/browser_devices_select_audio_output.js | took 82731ms
```
Without chaos mode, there is no increase.

Different browser-chrome tests are not showing the same increase in [a more recent run](https://treeherder.mozilla.org/logviewer?job_id=401725910&repo=autoland).

Back to Bug 1775942 Comment 7