Crazy CPU usage/problem, Newish Macbook Pro i7

Murfywat

Registered
Hey all, I recently got a macbook pro 15inch with the i7 processor, and its been fine up until last night. I use my mac for college work and games, mainly World of Warcraft.

Last night my framerate in WoW became horrible, at first I thought it was the internet but now I realize it is not. I ran a virus scanner (since I downloaded an album right before this happened) but that has shown nothing. After tinkering with my mac I noticed that no games ran good anymore, they all ran as if I was playing on a 6 year old laptop. I opened my Activity Monitor, and its showing startling numbers for the CPU usage of my processes. WoW runs anywhere from 50 to over 100 percent CPU (Not sure how but it shows these numbers), as well as other games running very high too, Firefox runs at around 20-30 usually, and when im watching videos it goes to saying 90 percent to over 100 (again, not sure how this is possible). Where as before this happened I could minimize WoW or any other games and use my mac fine, if I try that now it runs beyond sluggish.

What is going on here? Im rather displeased to say the least, with paying all this money for a mac for its "reliability". I tried resetting the ram, running virus scans, and repairing disk permissions in the Disk Utility tool. What would be my best course of action here? I need this fixed ASAP since I go back to school in early January.

Just for reference, heres a screenshot of the Activity Monitor. I notice that it says a large percent is idle, while at the same time showing these ridiculous numbers for my programs.... :(
83e9af430fd4d76ade0b576b10831baa.png
 
Unless you open Microsoft Office files and with their macros enabled, anti-virus isn't going to be much of use on a Mac. It just slows it down - even if it's just 1-2 % it all sums over time.

How much total RAM do you have? If one of the main uses on your Mac is gaming, then shelling some extra RAM will be worth it.

What is the 10.6.x version? If there are any newer versions of Mac OS X updates (10.6.5 for instance) available, upgrade to that.

The same would have to be said for WoW and Firefox. If those two applications (and the unnecessary anti-viruses) are the only programs running slow, then there is something to say nicely, less than optimized in their code.

What do you do with your Mac overnight? Do you shut it down, let it run idle or put it to sleep/close the lid?
How do you do your maintenance/cleaning when suspecting the caches are getting full?
I'd recommend keeping the Mac in sleep when not in use (instead of Windows-ish shutdown), and when possible let it sometimes stay on and running overnight. There are some periodic maintenance programs that want to clean the system, e.g. roll the logs over at night. If those are never let run it can also slow the system slowly overnight.
I'd recommend OnyX. http://www.macupdate.com/app/mac/11582/onyx
Make sure to pick the correct version (10.6 if 10.6, 10.5 if 10.5 etc). That will run a variety of maintenance related programs and is generally good to run every now and then. That could also speed it up a bit.
 
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