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Re: Delay measuring



On 12/10/2009 10:42 PM, Patrick O'Callaghan wrote:
> On Thu, 2009-12-10 at 08:46 +0100, Christoph Höger wrote:
>> for a long time now firefox annoys me now and then with second-long
>> delay when entering a new URL in the URL-bar.
When was the first time you noticed that  (ie what firefox verasion) ?

>> I am pretty sure this is some kind of system resource it waits for or
>> some other process. Is there any sane way to start an application and
>> measure all those wait syscalls to see what resource causes this delay?
>> Something like a strace wrapper script or so...
>>
>> I hope someone understands what I mean ;)
> 
> Sounds like you might have the IPv6 issue other people have mentioned.
> See the list archive for how to turn it off.
Could be. But I think it is that firefox now does a JSON lookup on the
web, and while it waits for a response to load, it incorrectly pauses
the UI.

A wireshark packet capture would be enough to test that theory.


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