1
vote
1answer
2k views

OSX High CPU Usage

Are the following CPU usages normal?? From last few days my macbook air is heating too much. And i frequently notice the fan running fast. Top two process have always use over 70% cpu and it goes to ...
2
votes
0answers
111 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 ...
5
votes
2answers
2k views

How many cores does a Mid 2012 Macbook Air have?

I checked the specs, and the i5-3427U CPU has 2 cores. But the Activity Monitor shows 4 little charts for the CPU, so it looks like 4 cores. Which is correct? Why does the Activity Monitor have 4 ...
1
vote
0answers
323 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
77 views

Emulating lower speed CPUs on Mac mini

I would like to ask whether it is possible to develop OS X application (especially for Lion) on a Mac mini, being able to test how the performance would be on a lower speed CPU. For example: ...
5
votes
3answers
652 views

What is the Mac equivalent of Windows' Power Plans' Maximum Processor State?

One of my favorite features in Windows is the built-in Power Plans. I can change how much energy my computer uses - whether I want it to drain power like there's no tomorrow and get incredible ...