Re: Xcode drives kernel_task insane
Re: Xcode drives kernel_task insane
- Subject: Re: Xcode drives kernel_task insane
- From: Jean-Daniel Dupas <email@hidden>
- Date: Wed, 30 Jun 2010 18:59:51 +0200
Le 30 juin 2010 à 18:57, Jean-Daniel Dupas a écrit :
>
> Le 30 juin 2010 à 18:50, Stuart Smith a écrit :
>
>> on 6/30/10 5:48 AM, email@hidden at
>> email@hidden wrote:
>>
>>> Message: 7
>>> Date: Tue, 29 Jun 2010 17:12:43 -0600
>>> From: Tom Harrington <email@hidden>
>>> Subject: Xcode drives kernel_task insane
>>> To: email@hidden
>>> Message-ID:
>>> <email@hidden>
>>> Content-Type: text/plain; charset=ISO-8859-1
>>>
>>> I'm using Xcode 3.2.3 on Mac OS X 10.6.4, on a MacBook Air with a
>>> 1.86GHz Core 2 Duo.
>>>
>>> When I run and use Xcode, kernel_task draws excessive amounts of CPU,
>>> often over 100% of a core.
>>>
>>> This can happen in a variety of situations, even just typing into a
>>> source code file. The kernel uses so much CPU that at times it's hard
>>> not to out-type Xcode. This problem is easily reproducible-- just
>>> open a random source file and hold down the "/" key. By the time I
>>> get to the far side of the screen, kernel_task is at 120% of CPU and
>>> Xcode can't keep up with keystrokes (i.e. the rate of new slashes is
>>> noticeably slower).
>>>
>>> This is hardly the fastest Mac around but it's always been adequate
>>> for Xcode until recently. I'm not sure if it's the recent Xcode
>>> release or the recent OS upgrade. Does anyone have any suggestions?
>>>
>>> --
>>> Tom Harrington
>>> email@hidden
>>> AIM: atomicbird1
>>
>> Tom,
>> as you say, the MacBook Air is "hardly the fastest Mac around". That's one
>> way of putting it.
>>
>> If this is a recent install of Xcode 3.2.3, it may be installing
>> documentation updates in the background. Try opening the Activity window and
>> clicking the giant red dot beside that task. That helped me out yesterday,
>> with a fresh install on one of the new MacMinis.
>>
>> I don't know how to get Xcode to start the documentation download again.
>>
>> Stuart
>>
>
> Open Xcode preferences, Documentation, uncheck "Check and install update automatically"
>
Sorry, I read to fast, I thought you want to prevent it to start the download again. To start it, Open preferences, Documentation and click the "Check and Install Now" button.
-- Jean-Daniel
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