Intermittent browser/base/content/test/performance/browser_preferences_usage.js | dom.ipc.processPrelaunch.delayMs should not be accessed more than X times. - Y <= X - JS frame

RESOLVED FIXED in Firefox 66

Status

()

Product:
Firefox
Component:
General
Type:
defect
Importance:
P5
normal
Status:
RESOLVED FIXED
Opened:
9 months ago
Updated:
6 months ago

People

(Reporter: intermittent-bug-filer, Assigned: mconley)

Tracking

({intermittent-failure})

Version:
unspecified
Target:
Firefox 66
Points:
---
Duplicates:
1504927

Firefox Tracking Flags

(firefox66 fixed)

Details

Attachments

(1 attachment)

Bug 1498079 - Use a var cache for the PreallocatedProcessManager delay pref. r?jld
47 bytes, text/x-phabricator-request
Details | Review 
Filed by: apavel [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=204661905&repo=mozilla-inbound

https://queue.taskcluster.net/v1/task/BUj7dSZwQCaPWSwi5H4RsA/runs/0/artifacts/public/logs/live_backing.log

17:52:12     INFO - TEST-START | dom/tests/browser/browser_largeAllocation_win32.js
17:52:12     INFO - TEST-SKIP | dom/tests/browser/browser_largeAllocation_win32.js | took 0ms
17:52:12     INFO - Running manifest: browser/base/content/test/performance/browser.ini
17:52:12     INFO - The following extra prefs will be set:
17:52:12     INFO -   browser.migration.version=9999999
17:52:12     INFO -   browser.startup.record=true
17:52:12     INFO -   gfx.canvas.willReadFrequently.enable=true
17:52:12     INFO -  pk12util: PKCS12 IMPORT SUCCESSFUL
17:52:12     INFO - Increasing default timeout to 90 seconds
17:52:12     INFO - MochitestServer : launching [u'/Users/cltbld/tasks/task_1539218954/build/tests/bin/xpcshell', '-g', '/Users/cltbld/tasks/task_1539218954/build/application/Firefox NightlyDebug.app/Contents/Resources', '-f', '/Users/cltbld/tasks/task_1539218954/build/tests/bin/components/httpd.js', '-e', "const _PROFILE_PATH = '/var/folders/1y/kqh6m_hx7mq4d1cqs1lqcwyc00000w/T/tmpyXtVcD.mozrunner'; const _SERVER_PORT = '8888'; const _SERVER_ADDR = '127.0.0.1'; const _TEST_PREFIX = undefined; const _DISPLAY_RESULTS = false;", '-f', '/Users/cltbld/tasks/task_1539218954/build/tests/mochitest/server.js']
17:52:12     INFO - runtests.py | Server pid: 795
17:52:12     INFO - runtests.py | Websocket server pid: 796
17:52:12     INFO - runtests.py | SSL tunnel pid: 797
17:52:12     INFO - runtests.py | Running with e10s: True
17:52:12     INFO - runtests.py | Running with serviceworker_e10s: False
17:52:12     INFO - runtests.py | Running tests: start.

17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | network.http.fallback-connection-timeout should not be accessed more than 40 times. - 1 <= 40 - 
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | layout.css.prefixes.device-pixel-ratio-webkit should not be accessed more than 40 times. - 1 <= 40 - 
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Should have checked all whitelist items. Remaining:  - 
17:52:34     INFO - Leaving test bound startup
17:52:34     INFO - Entering test bound open_10_tabs
17:52:34     INFO - Buffered messages logged at 17:52:34
17:52:34     INFO - network.loadinfo.skip_type_assertion should not be accessed more than 32 times and was accessed 62 times.
17:52:34     INFO - Buffered messages finished
17:52:34     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_preferences_usage.js | dom.ipc.processPrelaunch.delayMs should not be accessed more than 32 times. - 35 <= 32 - JS frame :: chrome://mochitests/content/browser/browser/base/content/test/performance/browser_preferences_usage.js :: checkPrefGetters :: line 36
17:52:34     INFO - Stack trace:
17:52:34     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_preferences_usage.js:checkPrefGetters:36
17:52:34     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_preferences_usage.js:open_10_tabs:180
17:52:34     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1093
17:52:34     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1084
17:52:34     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:986
17:52:34     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:795
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Whitelist item layout.css.dpi should be accessed at most 35 times. - 30 <= 35 - 
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Whitelist item browser.tabs.remote.logSwitchTiming should be accessed at most 25 times. - 20 <= 25 - 
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Whitelist item browser.zoom.full should be accessed at least 10 times. - 10 <= 19 - 
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Whitelist item browser.zoom.full should be accessed at most 25 times. - 19 <= 25 - 
17:52:34     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Whitelist item browser.startup.record should be accessed at most 20 times. - 14 <= 20 -
Summary: Intermittent browser/base/content/test/performance/browser_preferences_usage.js | dom.ipc.processPrelaunch.delayMs should not be accessed more than 32 times. - 35 <= 32 - JS frame → Intermittent browser/base/content/test/performance/browser_preferences_usage.js | dom.ipc.processPrelaunch.delayMs should not be accessed more than X times. - Y <= X - JS frame
There are 27 failures  failures in the last week. 

Recent failure log: https://treeherder.mozilla.org/logviewer.html#?job_id=213666052&repo=autoland&lineNumber=1252

03:46:23     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | layout.css.prefixes.device-pixel-ratio-webkit should not be accessed more than 40 times. - 1 <= 40 - 
03:46:23     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Should have checked all whitelist items. Remaining:  - 
03:46:23     INFO - Leaving test bound startup
03:46:23     INFO - Entering test bound open_10_tabs
03:46:23     INFO - Buffered messages logged at 03:46:23
03:46:23     INFO - network.loadinfo.skip_type_assertion should not be accessed more than 32 times and was accessed 73 times.
03:46:23     INFO - Buffered messages finished
03:46:23     INFO - TEST-UNEXPECTED-FAIL | browser/base/content/test/performance/browser_preferences_usage.js | dom.ipc.processPrelaunch.delayMs should not be accessed more than 32 times. - 33 <= 32 - JS frame :: chrome://mochitests/content/browser/browser/base/content/test/performance/browser_preferences_usage.js :: checkPrefGetters :: line 36
03:46:23     INFO - Stack trace:
03:46:23     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_preferences_usage.js:checkPrefGetters:36
03:46:23     INFO - chrome://mochitests/content/browser/browser/base/content/test/performance/browser_preferences_usage.js:open_10_tabs:159
03:46:23     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1093
03:46:23     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1084
03:46:23     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:982
03:46:23     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:803
03:46:23     INFO - TEST-PASS | browser/base/content/test/performance/browser_preferences_usage.js | Whitelist item layout.css.dpi should be accessed at most 35 times. - 31 <= 35 - 

Justin can you take a look or assign someone?
Flags: needinfo?(dolske)
Declaring new-year needinfo bankruptcy.

But over to mconley to see if he cares to consider prioritizing.
Flags: needinfo?(dolske) → needinfo?(mconley)
This should allow us to avoid accessing this pref too many times during start-up.
Assignee: nobody → mconley
Flags: needinfo?(mconley)
Pushed by mconley@mozilla.com:
https://hg.mozilla.org/integration/autoland/rev/4dfee3ce7d5e
Use a var cache for the PreallocatedProcessManager delay pref. r=jld

https://hg.mozilla.org/mozilla-central/rev/4dfee3ce7d5e

Status: NEW → RESOLVED
Closed: 6 months ago
status-firefox66: --- → fixed
Resolution: --- → FIXED
Target Milestone: --- → Firefox 66
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