On Fri, Oct 23, 2009 at 2:16 PM, Andrew Scherkus <[email protected]>wrote:
> On Fri, Oct 23, 2009 at 12:28 PM, Nicolas Sylvain > <[email protected]>wrote: > >> >> >> On Fri, Oct 23, 2009 at 12:21 PM, Andrew Scherkus >> <[email protected]>wrote: >> >>> I've never witnessed these tests taking an extra 10-20 seconds on my >>> local machine, no. >>> >>> I don't doubt that some of the tests might be flaky themselves, but that >>> machine does run tests slower. Take a look at the SVG tests, for example: >>> >>> http://src.chromium.org/viewvc/chrome/trunk/src/webkit/tools/layout_tests/flakiness_dashboard.html#tests=LayoutTests%2Fsvg >>> >>> Are there other tricks I do on my local machine to simulate running on >>> the bots? I usually try to test for these things by maxing out my CPU then >>> running layout tests but even then they run smoothly. >>> >> >> This machine is one of the oldest linux machine we have in the lab. I'll >> recreate it, make sure it run fast, and see if it helps. >> > > Thanks Nicolas. > I changed the machine, and so far so good. The time to run the layout tests on this machine went from 11minutes to 5 minutes. Looks like something was wrong on the machine after all. There are still some flakiness... but at least they are not TIMEOUT. Thanks Nicolas > > I'm wondering if it's slow disk access... know of any simple commands I can > use to simulate disk thrashing? > > >> >> Nicolas >> >> >>> Andrew >>> >>> On Fri, Oct 23, 2009 at 12:02 PM, Nicolas Sylvain <[email protected] >>> > wrote: >>> >>>> >>>> >>>> On Fri, Oct 23, 2009 at 11:59 AM, Andrew Scherkus < >>>> [email protected]> wrote: >>>> >>>>> I've been trying to get the media layout tests passing consistently, >>>>> but WebKit Linux (dbg)(3) takes an absurdly longer time to run tests and I >>>>> don't know why. >>>>> >>>>> For example: >>>>> >>>>> http://src.chromium.org/viewvc/chrome/trunk/src/webkit/tools/layout_tests/flakiness_dashboard.html#tests=video-played >>>>> >>>>> To keep the tree green (and collect data), I've marked all media layout >>>>> tests on Linux debug as pass/fail/timeout. My hope is if the bot was less >>>>> bogged down, it would lead to faster build times (GTTF) and less flaky >>>>> results/timeouts (LTTF). >>>>> >>>>> This machine is supposed to be fast. >>>> >>>> Are you saying that this flakiness never happens on your machine? >>>> >>>> Are you sure the bot is really to blame here? >>>> >>>> Nicolas >>>> >>>> Any ideas? >>>>> Andrew >>>>> >>>>> >>>>> >>>>> >>>>> >>>> >>> >> > --~--~---------~--~----~------------~-------~--~----~ Chromium Developers mailing list: [email protected] View archives, change email options, or unsubscribe: http://groups.google.com/group/chromium-dev -~----------~----~----~----~------~----~------~--~---
