All Questions
185 questions
0
votes
1
answer
36
views
Getting number of performance cores and efficiency cores of MacBook Pro in Terminal
The number of performance and efficiency cores differs wildly between all the variants of the Apple silicon M cpus and Apple usually does not list these even in the technical specs.
Is there a way to ...
8
votes
1
answer
715
views
Safari causes high CPU load for no reason, launchservicesd active
After a couple of days, when I have Safari open, I have an unexplainable high CPU load, apparently system time. launchservicesd is active with 50%-110% CPU load.
The load disappears immediately when I ...
0
votes
1
answer
248
views
Macbook air 2017 is responding very slowly
I have a Macbook Air 2017 and it became very slow after I installed Monterey in August 2022.
I reinstalled macOS twice and also formatted the disk completely. There is no overheating issue at all, but ...
- 1
0
votes
0
answers
185
views
2020 M1 Macbook Air having random CPU spikes when using browser
I've noticed that every few minutes my CPU spikes to a 100% (sometimes even higher) whenever I'm using my browser. This happens randomly, but it usually happens when I'm trying to click on something ...
- 1
1
vote
0
answers
748
views
What is "Open and Save Panel service"?
I put my computer to sleep and everything was normal, but when I woke it up again, the CPU and fans started to run at 100 %. This is what I saw in Activity Monitor:
What is this and why does it use ...
- 3,484
1
vote
0
answers
56
views
Mac M Series Host Only Network with VirtualBox
Has anyone been able to find a workaround to run a Host Only Network on Mac M Chips?
I am trying to run a OVA file on VirtualBox using a Host Only Network so I can set up a server for this class that ...
- 11
0
votes
1
answer
70
views
What does the 'ps -o cputime' show in the TIME column?
The macOS ps gives the TIME like this:
UID PID PPID C STIME TTY TIME CMD
0 50769 80598 0 9:09pm ttys000 0:00.00 egrep 96222|PID
666 96222 95653 0 10:09pm ttys006 0:00....
- 283
2
votes
1
answer
2k
views
contactsd using over 50% CPU on my MacBook Air
I wanted to get some information with regards to the contactsd process on my MacBook Air. I often find it using over 50% of my CPU and I would like to know about it and how to disable its excessive ...
- 126
0
votes
2
answers
227
views
photolibrary and mediaanalysis daemons causing excessive CPU loads
I just upgraded my iMac 2016 to MacOS 13 and it is currently unusable (i.e. the UI is mostly unresponsive). Remotely logging in via ssh I see that the photolibrary and mediaanalysis daemons are ...
- 121
0
votes
0
answers
397
views
syspolicyd uses a lot of CPU on a machine that runs a "self compiled" command line process that takes a lot of CPU
I run a bash script that feeds a C++ binary (downloaded from Github and compiled locally) with thousands of files. This C++ binary is extremely CPU-heavy. For performance reasons I run six parallel ...
- 3,484
3
votes
2
answers
772
views
Which logs and command line tools for finding processes that hog the macOS CPU?
As you can see, I have frequent CPU hogs:
I inspected my mac with several security tools from https://objective-see.org/tools.html, if any viruses or shady processes are being started up or running ...
- 173
2
votes
4
answers
3k
views
how to prevent numerous background daemons from harming gaming FPS (or other intense foreground workload performance)?
One or another of the various macOS background daemons that comes with the operating system is always popping up and using a ton of CPU in the background. This is generally slightly bothersome, but ...
- 1,708
1
vote
0
answers
5k
views
VS Code uses high CPU even if it is closed
VS Code takes 100% CPU usage even it is not open. I ran the ps aux | grep PID command to check the details but can't understand anything. Here's the output:
tawhid 27099 100.0 0.1 447352160 ...
3
votes
3
answers
8k
views
Prevent MacBook from lowering the CPU speed with a damaged battery
I have MacBook Air (early 2014) with Big Sur installed as an emergency.
And it happened, I lost my job, work laptop was taken back, and I had to use my emergency laptop.
The battery is damaged, it ...
- 135
11
votes
1
answer
18k
views
`syspolicyd` CPU usage drains the battery
Since I'm on Monterrey (from Mojave), there is syspolicyd process ALWAYS using 35-45% on the CPU!
If I leave the laptop in idle, syspolicyd (Apple Gatekeeper) consumes an average of 37% of the ...
- 466
2
votes
0
answers
345
views
MacOS opendirectoryd Constantly Running Taking Up CPU
recently I found that my mac has been running hot even when left idle. I looked into the activity monitor and it seems like there is a daemon opendirectoryd that has been constantly running and taking ...
- 21
1
vote
0
answers
496
views
Which CPU temperature should I look at to monitor thermal throttling?
I'm using iStat Menus to display temperature readings from multiple sensors. I want to keep an eye on the CPU temperature to see if the cores are close to their thermal throttling threshold, but there ...
- 619
1
vote
1
answer
2k
views
ifind process utilises 97% of CPU
I have mbp13 2019 with i7 16gb RAM running MacOs Catalina (10.15.7).
There is an ifind process started from root on 34 port and this process utilises CPU heavilly. It could work for 40 minutes in a ...
- 835
3
votes
3
answers
5k
views
Limit entire system's CPU usage
I want to limit the entire macOS system's CPU usage. I don't mind if it slows down, but I just want to compromise some speed for temperature.
I searched for any programs that does this. The one that ...
- 131
1
vote
1
answer
168
views
Why do numbers in Activity Monitor never add up?
For example, at the bottom it shows "System: 1.45%, User: 1.55%, Idle: 97%".
Yet in the process list I see under "% CPU" Activity Monitor 20%, WindowServer 13%, Firefox 10%, ...
- 191
4
votes
1
answer
3k
views
Why are "spindump" and "sandboxd" eating up all my CPU?
I am using MacOS Big Sur 11.3 on a 2019 MacBook Pro. Recently, I started noticing that some programs (specifically MATLAB) have been running really slow, the cursor and mouse are lagging, etc. ...
- 363
4
votes
0
answers
5k
views
IMDPersitenceAgent running 100% CPU
After a couple minutes of inactivity, often my fans start going on. I look at activity monitor and IMDPersistenceAgent is using 90-100% CPU. If I force quit it, it comes back.
I've attempted the ...
- 10.1k
4
votes
1
answer
3k
views
Google Chrome caused Mac OS X to have High CPU
I'm not sure if anyone else faced this issue also. My Mac Book running so hot. I'm on the latest OS BigSur, and on a MacBook Pro (16-inch, 2019). As you can this Mac is fairly new and fully loaded. It'...
- 567
10
votes
3
answers
6k
views
WindowServer high CPU usage, spikes when moving cursor on M1 MacBook Big Sur
The "WindowServer" process uses excessive CPU time on my 2020 M1 MacBook Pro running Big Sur 11.2.1. At idle it will sit at 15-25% CPU time. When moving the mouse cursor it jumps to 30-50% ...
- 280
2
votes
1
answer
593
views
Globally Disable Microphone in Big Sur?
After upgrading to Big Sur from Catalina, I remarked my fan was running continuously. Opening Activity Monitor I remarked that "com.apple.SpeechRecognitionCore.speechrecognitiond" was ...
- 1,731
1
vote
0
answers
6k
views
How to correct AppleKeyStore failures during boot
I have the following setting:
$nvram boot-args
boot-args idlehalt=0 serverperfmode=1 -v
Because I have the verbose boot logging flag, during my MacBook Pro (15-inch, Early 2011) High Sierra 10.13.6 ...
- 141
0
votes
0
answers
489
views
nfcd process taking 33% of cpu - what is that and why?
Since a few days there is process called nfcd taking up 175% (33% of all cpu) of cpu an my MBP 13 with 10.15.7. It's even running when all apps are closed and after reboot of the Mac.
For some reason ...
- 347
1
vote
1
answer
243
views
accountsd process uses all CPU - AMSAccountStoreCache error [duplicate]
the process accountsd is using more than 300 % of my CPU. The error messages in the console that appear are:
AMSAccountStoreCache: [AF547297] An ACAccountStore has no associated media type. Returning ...
- 111
7
votes
2
answers
4k
views
Process "accountsd" has over 500% CPU usage [duplicate]
I'm on Catalina 10.15.6 on a MacBook 2019 (16-inch) and one hour ago after startup my mac started with an extremely loud fan and overheating. As Im writing this even the typing is lagging behind.
...
- 81
2
votes
2
answers
1k
views
Seemingly random CPU throttling
My 2018 macbook pro with i9 processor running Catalina version 10.15.6 seems to randomly throttle the CPU frequency even with low CPU utilization and lowish temperatures:
I am using a docking station ...
-1
votes
1
answer
905
views
Distnoted terminal message
I booted my Mac in Verbose Mode (command v) to see a live report for when my Mac is booting up. There, I found a “message in the bottle”, evidently left there by an Apple developer:
(com.apple....
- 143
3
votes
3
answers
7k
views
High CPU usage by system
I'm having by time to time problems with my OS running really slow because the System uses a lot of CPU (it stays like this ~30min). I've checked different articles on the internet in regard to this ...
- 141
0
votes
1
answer
196
views
Why is sysdiagnose constantly running?
Every ten minutes or so sysdiagnose hogs all my CPU cores. Trying to Google for the problem leads to a lot of advice of how to run sysdiagnose as a solution to other problems. I guess it is another ...
- 111
0
votes
1
answer
314
views
How to solve high CPU usage after Time Machine recovery
I reinstalled macOS and restored my data using Time Machine. After using the restored OS for a while, I discovered that kernel_task's CPU usage is really high. I mainly use my Mac for music production,...
0
votes
0
answers
150
views
MacBook Pro wildly oscillating CPU frequency under load
I've been struggling a lot lately with keeping a stable CPU frequency under load for my 2.8 gHz 2015 MacBook Pro 15". I've tried numerous methods, including resetting SMC, NVRAM, hardware ...
- 171
1
vote
1
answer
4k
views
Catalina: Can't sign out of iCloud and Update Apple ID settings error, WindowServer high cpu. Now fixed
I had this issue for a while where system prefs -> icloud complained about "Update Apple ID Settings".
Clicking continue it'd eventually ask for my icloud password and then it would an ...
- 116
2
votes
2
answers
102
views
Existing 3rd party software migration
Did Apple mention/provide a way to upgrade existing 3rd party software once systems with the new CPU are released or are we expected to buy from scratch? Does anyone remember how they handled this ...
- 123
9
votes
1
answer
45k
views
Kernel Task is using 1000% of The CPU on macOS Catalina [duplicate]
My MacBook Pro running on macOS Catalina is really slow and the kernel task is using 1000% of the CPU !!
I tried all the solutions suggested in MUF How to Fix Your Mac’s “kernel_task” High CPU Usage ...
- 91
2
votes
0
answers
55
views
What is PrivateFrameworks 'deleted' and why is it using so much CPU? [duplicate]
I noticed a process called deleted using quite a lot of CPU. In the image linked, it shows 10% CPU usage but fluctuates frequently hitting highs of 20% and averaging around 12%. Suspicious that it ...
- 181
4
votes
3
answers
17k
views
How can I disable Intel Turboboost and Hyper-Threading?
The title pretty much sums it up but I need a way to disable Turboboost and Hyper-Threading. I am currently on macOS Catalina and I am able to edit system files because I have SIP disabled. I am ok ...
- 889
0
votes
1
answer
73
views
Is there such a thing as unsafe cpu levels on mac?
Background: The process com.docker.hyperkit has consistently been using between 100% and 200% cpu on my mac (which has 2 physical, and (in total) 4 virtual cores).
Question: is there such a thing as ...
- 251
10
votes
2
answers
20k
views
How to stop mDNSResponder from using 90-100% CPU continuously forever on Catalina?
I just upgraded my 2018 15" MacBook Pro from Mojave to Catalina (10.15.4). It's been a few hours.
One of the first things I did after the upgrade was edit a video using the new free trial of Final ...
- 635
2
votes
1
answer
290
views
Process called "ItYoingm" using over 90% CPU and over 106GB memory - root user
I have recently downloaded Catalina on my Macbook pro and every now and again my fan goes into overdrive, even when I'm hardly using any programs.
I opened my Activity Monitor and there is a process ...
- 21
0
votes
1
answer
28
views
pdfsplit fails to start
pdfsplit returns the following error when launched from terminal:
pdfsplit --version
-bash: /usr/local/bin/pdfsplit: Bad CPU type in executable
OS: macOS Catalina 10.15.2
file
Checking ...
- 887
1
vote
1
answer
8k
views
High resting CPU usage and Idle Wake Ups
The idle wake ups on my MacBook Activity Monitor are staggering. Earlier today I accidentally deleted a macOS folder and emptied the trash. After realizing what I had done, it was too late. Now the ...
- 29
8
votes
6
answers
16k
views
CPU throttling on MacBook with bad battery and Catalina
I've seen some answers for this but it references older systems and older OSes.
Can anyone update this for relevance in the Catalina era. I have a MacBook 10.1 with a shot battery. The screen is ...
- 81
5
votes
1
answer
5k
views
Mac OS Catalina 10.15.2 AMPDevicesAgent using 100% CPU
Today AMPDevicesAgent started using 100% of my CPU. This is causing the fan to run all the time.
What is AMP Devices Agent
How can I stop this
- 459
19
votes
4
answers
41k
views
What is "routined" and why is it eating my CPU?
After my fans started blazing, I checked top and found that a process named routined was using 60-70% cpu. Surprisingly, I found no information about this process via Google, other than a mention of ...
- 303
2
votes
2
answers
11k
views
What is the typical CPU utilization of idle iMac?
I am new to macOS. I recently purchased a 2019 iMac (Retina 4K, 21.5 inch).
.OMMMMo OS: macOS 10.15.1 19B88 x86_64
OMMM0, Host: iMac19,2
.;...
- 121
1
vote
1
answer
1k
views
How do I get information specific to CPU core via command
Suppose we have one CPU with 2 cores. I seek dynamic scheduling information such as Processes, IO time, IDLE Time, System Time as allocated time specific cores as opposed to aggregated or averaged to ...
- 11