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3 votes
1 answer
705 views

Per-process CPU doesn't add up to total in Activity Monitor?

Observing Activity Monitor, the per-process CPU is often very different to the total CPU. Example Here the sum of individual processes is > 50%, yet the total said to be (100 - 91.43) 8.57%. Why ...
stevec's user avatar
  • 5,395
1 vote
1 answer
142 views

Collect data on CPU usage per core at regular time intervals?

Is there any easy way to get CPU usage on a per core basis at a certain interval throughout the day? (e.g. every 60 seconds) Notes happy to use a script (e.g. ruby, python) and run it in the terminal ...
stevec's user avatar
  • 5,395
0 votes
3 answers
446 views

Folding@Home project killing CPU

Three to four weeks ago I read an article which was talking about the project Folding@Home which helps researchers find a cure for the CoVid-19. Since then my Mac has been pretty noisy, although the ...
Jwan's user avatar
  • 3
2 votes
1 answer
361 views

cpu clock too low / force cpu clock / overclock

I have a MacBook from a few years back. When I use it write some code and browse the internet, the fans go very fast and the noise is horrible. But the temp shows only 70 C. So I used SMC to force ...
swisswiss's user avatar
  • 121
1 vote
1 answer
148 views

Combining parts from a MacBook Pro with a Dell Inspiron

I have an old 2007 Macbook Pro 15" and Dell Inspiron 1720. Since the logic board on the Mac is damaged, I kinda combined it in Dell (I took RAM, WiFi card, HDD). It all works perfectly. Since they ...
Filip Sadzakov's user avatar
2 votes
1 answer
4k views

MacBook Pro (Retina, 13-inch, Early 2015) high temperature

I know there are plenty of articles here about CPU reaching very high temperatures but I am still concerned about mine. I bought a used MacBook Pro Retina, 13-inch, Early 2015 (i5, 2.7 Ghz) computer ...
Dain's user avatar
  • 21
2 votes
1 answer
2k views

Mac Pro processor upgrade, won't boot

I just upgraded my Mac Pro 4,1 (5,1 firmware) to dual X5690s. I was very careful and followed directions throughout the whole process. When I put the CPU tray back in, the computer wouldn't post. ...
NoahL's user avatar
  • 3,527
0 votes
2 answers
2k views

Mac Pro 4,1 CPU upgrade

I own a Mac Pro 4,1 (single socket) with a Nehalem Quad-Core CPU. I'd like to upgrade it with a six-core Westmere processor. Now, what I have to do prior to installation of the Westmere processor? ...
MadHatter's user avatar
  • 331
0 votes
2 answers
367 views

Anyway to add new processor to MacBook 5,1 or MacBook Air 204

I'd like to add a faster processor to my MacBook Air 2014 or my MacBook 5,1 unibody. Is this possible at all?
skootsa's user avatar
3 votes
1 answer
4k 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 ...
Hardeep's user avatar
  • 31
11 votes
2 answers
11k views

Get cpu usage per core on the command line

Activity monitor allows users to see the cpu usage on a per-core basis (for multicore machines, e.g. my MacBook Pro). Is there a way to find the percent usage of each core/processor via the command ...
DilithiumMatrix's user avatar