0
votes
0answers
11 views

Mail.app causing Macbook fans to spin loudly and turn CPU up to 100%

Over the past few days on My Macbook on Mountain Lion 10.8.5, when I refresh my email in Mail.app, it gets stuck here and then the fans start turning on(along with the CPU running 90-100%). I can ...
0
votes
0answers
196 views

Any patch to manually throttle CPU in OS X 10.8?

I'm running a water-damaged Late 2011 Macbook Air. After letting it dry and changing the battery (which died), the computer is still really slow and after doing some investigation, and applying a fix ...
1
vote
0answers
17 views

What's an effective way to proactively spot runaway processes? [duplicate]

Sometimes my Mac ends up with a runaway process; a process that's hogging all the CPU. Often it's Firefox, but I've had a few others recently. Normally I don't spot this for a while until I notice my ...
1
vote
3answers
2k views

What is causing the high system CPU load under Mountain Lion?

I recently began to see some odd behavior on my MacBook Pro on Mountain Lion. I noticed the fans coming up and applications behaving sluggish. I checked the ActivityMonitor (see below) and the ...
1
vote
1answer
1k views

CPU upgrade on MacBook Pro

I'm thinking about upgrading the CPU in my MacBook Pro from its current 3210M dual core processor to a 3632QM quad core processor. Is there any reason why this wouldn't be a good idea? The socket, ...
1
vote
1answer
139 views

/usr/bin/nice and Handbrake

This is really two questions... If a process is run with nice (/usr/bin/nice in the default OS X Mountain Lion installation) will it run processes in equivalent time compared to that process being run ...
2
votes
0answers
110 views

Figure out which app is using Java

If I check my activity monitor there is an instance of java that is constantly taking 5% CPU or more. I know that there is some app that are using java on my system and therefore my question is: Is ...
1
vote
0answers
306 views

How to make MacOS X ignore nice load when scaling CPU frequencies (“ignore_nice_load” on Linux)?

Is it possible to control/configure the CPU frequency governor on MacOS X? I would like it to ignore load/work from "niced" processes and not spin up the CPU frequency? On Linux this can be ...
1
vote
0answers
1k views

com.apple.dock.extra - maxing CPU

I've recently installed Mountain Lion and the com.apple.dock.extra process is suddenly constantly active - and is maxing my CPU usage. Activity monitor is showing usage running from as low as 45% to ...