1437105 - Intermittent dom/performance/tests/test_worker_performance_now.html | false: Loose - the value of now() should increase within 2ms (or 25ms if low-res counter) (delta now(): 0 ms).

Status: RESOLVED FIXED

(Core :: DOM: Core & HTML, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: ncsoregi [at] mozilla.com

https://treeherder.mozilla.org/logviewer.html#?job_id=161349096&repo=autoland

https://queue.taskcluster.net/v1/task/Di4smcJNQ0aDWEO1nrhFqQ/runs/0/artifacts/public/logs/live_backing.log

16:15:56    ERROR -  4478 INFO TEST-UNEXPECTED-FAIL | dom/performance/tests/test_worker_performance_now.html | false: Loose - the value of now() should increase within 2ms (or 25ms if low-res counter) (delta now(): 0 ms).
16:15:56     INFO -      worker.onmessage@dom/performance/tests/test_worker_performance_now.html:20:5
16:15:56     INFO -      EventHandlerNonNull*@dom/performance/tests/test_worker_performance_now.html:15:1
16:15:56     INFO -  Not taking screenshot here: see the one that was previously logged
16:15:56    ERROR -  4479 INFO TEST-UNEXPECTED-FAIL | dom/performance/tests/test_worker_performance_now.html | false: Strict - [if high-res counter] the value of now() should increase after one setTimeout (hi-res: true, iters: 1, dt: 2, now(): 14).
16:15:56     INFO -      worker.onmessage@dom/performance/tests/test_worker_performance_now.html:20:5
16:15:56     INFO -      EventHandlerNonNull*@dom/performance/tests/test_worker_performance_now.html:15:1
16:15:56     INFO -  GECKO(924) | MEMORY STAT | vsize 469MB | vsizeMaxContiguous 657MB | residentFast 82MB | heapAllocated 19MB

Comment 1

[Intermittent Failures Robot]

1 failures in 702 pushes (0.001 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* autoland: 1

Platform breakdown:
* windows7-32: 1

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1437105&startday=2018-02-05&endday=2018-02-11&tree=all

Comment 2

[Ryan VanderMeulen [:RyanVM]]

Tom, I think this is fallout from your patches.

Comment 3

[Intermittent Failures Robot]

5 failures in 831 pushes (0.006 failures/push) were associated with this bug in the last 7 days.    

Repository breakdown:
* mozilla-esr52: 5

Platform breakdown:
* windows8-64: 3
* windows7-32-vm: 2

For more details, see:
https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1437105&startday=2018-02-26&endday=2018-03-04&tree=all

Comment 4

[Tom Ritter [:tjr] (OOTO until 4/30 at least)]

Attachment: Bug 1437105 Remove flaky timing tests from ESR branch that sometimes fail with time clamping

Because we hardcode time clamping in ESR (as opposed to having a pref) I
don't see a way to guarentee that this test won't fail when we lose the
race and clamp downwards.

Review commit: https://reviewboard.mozilla.org/r/225578/diff/#index_header
See other reviews: https://reviewboard.mozilla.org/r/225578/

Comment 5

[Andrea Marchesini [:baku]]

Comment on attachment 8956627 [details]
Bug 1437105 Remove flaky timing tests from ESR branch that sometimes fail with time clamping

https://reviewboard.mozilla.org/r/225578/#review231516

Comment 6

[Tom Ritter [:tjr] (OOTO until 4/30 at least)]

This is for -esr52

Comment 7

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/releases/mozilla-esr52/rev/9ec17f4b1f41