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Questions tagged [activity-monitor]

macOS' task manager utility application. It is used to perform different tasks on computer processes, as well as monitor system resource usage.

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How to stop and prevent continuous activity from a closed web page?

For the past few days, Screen Time has been showing me continuous activity from a specific website (I assume the grey circle is a website activity). The screenshot was taken this morning upon opening ...
NotationMaster's user avatar
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"Your system has run out of application memory" on Apple Silicon M3 Max 36 GB Memory! Why?

I've been using Macs for 15 years, starting from a 2009 MacBook Pro with 4 GB of RAM, then upgrading to a 2016 MBP with 16 GB of RAM, and now, since last December (2023), upgraded to my first Apple ...
NotationMaster's user avatar
1 vote
2 answers
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Networked Activity Monitor for CPU monitoring?

I would like to track computer A's CPU (and maybe memory etc) usage on computer B in a GUI similar to that of Activity Monitor. Is that possible? Preferably a free solution. I have looked at SNMP but ...
d-b's user avatar
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Activity monitor memory view not matching

As I understood, the "App memory" is all the memory used by different applications. Now if we take a look at the list, the memory of all applications doesn't come near the memory reported: ...
perotom's user avatar
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Calculate process memory usage as percentage

I want to calculate the memory usage as a percentage for some processes on the device. That is, how much percent of total memory a particular process is taking on the system. (Need it for reporting ...
user508046's user avatar
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How can one start Activity Monitor with a specific Dock icon?

I saw how one can start multiple instances of Activity Monitor using open -na "Activity Monitor", but then one has to select the Dock Icon view for each separately; is there a way to start ...
Dan C.'s user avatar
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How do I restart Kerberos

What OS process can I kill or force quit to terminate Kerberos? It's gotten into some bad state where choosing Sign in only brings up an empty white box (missing the normal prompts inside). I use ...
Randall's user avatar
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1 answer
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"Anthony Gray" app runs in background. Where is it? What is it?

I have an app called "Anthony Gray" with permissions to run in Background. But it's not present with this name in the Applications folder or htop. Is there another way to know where it is ...
Ricardo Martins's user avatar
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Why would web page process continue to show up in Activity Monitor after quitting the web page?

Running Big Sur on a 2017 Intel iMac, Activity Monitor shows a process for each web page tab open in Safari. Normally these processes end when I close that tab. examples: https://support.apple.com ...
Timothy Childers's user avatar
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1 answer
92 views

Get notified when something hits high % CPU in Activity Monitor?

I wonder how can I let the Activity Monitor notify me when something hits a high CPU percentage (like 80-100%)? Sometimes when I open some app (e.g. Mail) and then close the window, the app is just ...
Dr_Clairvoyant's user avatar
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How do I dedicate more of my machines resources to a specific task?

I don't know how FileVault even got turned on in my 2012 MacBook Pro running MacOS Catalina.. But it's been trying to do its initial encryption for 4 days now, over the past 20 hours I have simply let ...
AVLNCH's user avatar
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What does the "Restricted" column mean in Activity Monitor?

What does the "Restricted" column mean in Activity Monitor? This column can be enabled by right-clicking the column titles.
zzh1996's user avatar
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4 answers
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Unable to stop Process "idleassetsd" from consuming infinite bandwidth on MacOS Ventura & Sonoma

Unable to stop the process "idleassetsd" to consume internet bandwidth, While force quitting the process it starts consuming the bandwidth again, Nothing is working to stop it Observed under ...
Yash Chitroda's user avatar
3 votes
1 answer
1k views

"financed" process in Activity Monitor

I noticed a process in Activity Monitor called financed. If I turn on the Kind column it shows "Apple" but so do all the other processes. If I use the hierarchical view no parent or children ...
Dennis Williamson's user avatar
2 votes
1 answer
2k views

The "bird" process keeps running at high % CPU and writes lots of data. How do I fix this? [duplicate]

I'm running macOS 13.4 (22F66) on a MacBook Pro 16" (2019) and the process bird (which seems to be iCloud-related) keeps running at very high CPU utilization. It also makes Xcode unresponsive ...
Mandelmus100's user avatar
2 votes
2 answers
2k views

Activity tracking when not wearing Apple Watch

Once in a while, I eschew my Apple Watch in favor of something else. On those days, I have no tracking of activities. However, iPhone supports at least some activity tracking on its own (specifically ...
razumny's user avatar
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1 answer
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macOS alternative for /sys/block/*/stat to get read and written sectors or bytes

I am searching for an alternative of Linux /sys/block/*/stat for macOS to get the number of sectors (or Bytes) read and written since system start for each drive. Native commands like iostat -I give ...
Elektronenhirn's user avatar
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372 views

Activity Monitor's Process Name connection to each software

I have Activity Monitor open to check how much memory is being used, and the main part I usually check is the bottom where it mentions how many GBs have been used. However, with the ability to stop it,...
leguchi's user avatar
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all process are in sleeping in top command for a couple of days

I am seeing All the process are in "sleeping" state, What is the process thats causing all the issue. CPU is not used much, 4GB memory is used up showing in activity monitor. If you could ...
indianwebdevil's user avatar
4 votes
1 answer
319 views

macOS is writing 32GB of data during every boot, on new installs of Big Sur and Monterey

I have an issue where brand new installations, both minutes old and weeks old of Big Sur and Monterey (not tried other major releases) are writing exactly 32GB of data to the SSD boot drive during ...
i-CONICA's user avatar
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1k views

GPU-specific stats/view on Apple Silicon

On Apple silicon Macs, how can stats like frequency and utilization particular to GPUs be observed? Activity Monitor gives a nice graph on Activity Monitor's CPU History screen. Activity Monitor's ...
foamroll's user avatar
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1 answer
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Is my 12-hour power too high?

In Activity Monitor, I'm seeing this: Is 1k/900 too much power? I believe I know what is causing it-- but will this increase my power bill? Thanks.
testar28's user avatar
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286 views

What is KernelEventAgent in Activity Monitor?

A process called 'KernelEventAgent' is using up all my CPU. I have to force quit it all the time because otherwise everything else slows down..
Nils Fauvain's user avatar
0 votes
1 answer
58 views

Unaccounted bandwidth usage in activity monitor

Here is a screenshot of Activity Monitor network usage tab. Look at the Data Received total at bottom, and then look at the process amounts in the list on top. It doesn't add up.
q.undertow's user avatar
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1 answer
270 views

A rogue process heats up my Mac - how to find and remove this program?

A year ago I got a used Mindstorms EV3 set, fired it up and played around with my son. I installed a setup where we could write Python scripts to control the robot. The connection to the robot used ...
Lxi Nuuja's user avatar
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916 views

Activity Monitor does not have the "Kind" column

Activity Monitor doesn't show the "Kind" column, and does not give me the option to enable it. It's not in the list of columns I can enable. My friend's M1 Mac has the Kind column in the ...
jlbang's user avatar
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12 votes
1 answer
14k views

What is `oahd-helper` and why is it eating my CPU?

I noticed today that when changing SIP mode (either enabling or disabling), upon reboot my macOS Monterey CPU usage is heavily consumed by a series of oahd and oahd-helper processes. Researching ...
luckman212's user avatar
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2 votes
1 answer
2k views

What's the unit of "12 hr power" in the energy section of activity monitor?

In the "energy" section of activity monitor, there is a heading "12 hr power". Is there a the unit of this quantity so that I can convert it to watts?
Ma Joad's user avatar
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1 vote
1 answer
122 views

How to poll an app / process CPU utilization levels with fine granularity in Terminal?

I have a particularly problematic process in macOS that has a CPU utilization of 50-100% rather consistently. The process seems to have a somewhat high variability depending on several variables. ...
ylluminate's user avatar
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3 votes
0 answers
286 views

Activity Monitor showing less Physical Memory than actually installed

for some reason on my new M1 Max Mac Studio, Activity Monitor is showing 16 GB of Physical Memory when there is in fact, 64 GB installed. The other places I've checked (About This Mac, System Report, ...
psipher904's user avatar
4 votes
2 answers
7k views

How do you interpret "12 hrs power" in Activity Monitor?

When hovering over the 12 hrs power column header in the Energy tab of Activity Monitor, it says: Average Energy Impact over the last 12 hours or since the Mac started. Lower is better. In my case, ...
stevec's user avatar
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2 votes
1 answer
883 views

How can I see the NPU cores?

NPU cores don't show up in system information or Activity Monitor. Is there a way to see their utilization -- something like nvidia-smi or nv-top?
Micheal Bee's user avatar
2 votes
0 answers
93 views

Unopened app taking 95%+ of battery power

I have a 2015 MBP on MacOS 11.6 and it recently has been running out of power quickly. When I click the battery icon on the top bar, it shows Atom is drawing significant power. This is weird because ...
lvmy's user avatar
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2 votes
0 answers
419 views

macOS: A CoreServicesUIAgent Verifying ...dylib Popup keeps popping up every time

A popup keeps popping up every time on my system and looks like this: It does not go away when I click on the 'x' and it does not progress. It hinders everything by keeping itself on top of all ...
Kumar Priyansh's user avatar
0 votes
1 answer
226 views

If my MBA has 4 cores, why does About This Mac say it has 2?

In About This Mac, it says that my Mac has a dual-core CPU, but Activity Monitor says that I have 4. I also checked this in Terminal with sysctl -n hw.ncpu but it also gave 4. If I have 4 cores, why ...
shreyasm-dev's user avatar
1 vote
1 answer
195 views

Activity Monitor Showing Nothing

My activity monitor no longer shows me anything after my computer automatically restarted. Previously I tried some tricks to reset the activity monitor such as this Activity Monitor columns missing ...
Code42's user avatar
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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 ...
Muhammad Tawhidul Islam's user avatar
3 votes
1 answer
5k views

What are the CarbonComponentScanner and VisualizerService-x86 (Music) processes?

In Activity Monitor.app I've wanted to find out what are the x86, Intel processes that I still have on my Apple Silicon MacBook. The only two x86 processes are CarbonComponentScanner and ...
Dan's user avatar
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1 vote
1 answer
2k views

Why is htop and Activity Monitor showing different even when running htop as sudo?

I have installed htop using homebrew on an M1 Macbook Air. Below, one can see that the used memory reported by htop and Activity Monitor are different. I am aware of other answers in this website ...
Raul Guarini Riva's user avatar
1 vote
2 answers
2k views

Can't force quit application even in Activity Monitor (AnyTransToolHelpers)

I installed AnyTrans. I uninstalled it soon after. But, I can't seem to get my mac to stop running some helper that seems to somehow be leftover. I have tried: going into activity monitor, selecting ...
Rbar's user avatar
  • 111
1 vote
1 answer
146 views

How to use Activity Monitor to view Network activity

My Activity Monitor is showing that something is downloading, I can the download activity on the graph and the overall speed is shown as 'Data received/sec. But I'm stuck trying to figure out which ...
EE1337's user avatar
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2 votes
2 answers
123 views

Search shortcut and menu options not working in Activity Monitor

Note: Why is search in Activity Monitor disabled? is a similar but different issue that doesn't address the one here (I tried switching views to and from Hierarchically. The command ⌘-F shortcut doesn'...
samus's user avatar
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0 votes
0 answers
618 views

Why does the Activity Monitor Battery graph and Battery system preference show different charging history?

In What are the green columns/lines mean in Activity Monitor - Energy - Battery?, the answer tells that green shading in the Activity Monitor battery graph indicates charging time. However, the ...
victorlin's user avatar
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0 votes
1 answer
945 views

macOS Finder Sync Extension multiple running processes in Activity Monitor

On my Mac I use several applications with Finder Sync Extensions that provide Finder badges, sidebar icons, and toolbar buttons within Finder. I have enabled each Finder Sync Extension in: System ...
pkamb's user avatar
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2 votes
2 answers
2k views

Understanding the activity monitor of mac

I am trying to understand each field of activity monitor to understand my process usage. But I am not able to wrap my heads around few things. Model Name: MacBook Pro Model Identifier: ...
Mark's user avatar
  • 143
6 votes
1 answer
1k views

Is there a way to find processes that are "Not responding" using Terminal?

Activity Monitor can indicate processes that are Not responding: Is there a way to find these processes using command line? Such as with ps, ...
adamsfamily's user avatar
1 vote
1 answer
2k views

Why is Activity Monitor consistently using high CPU %?

I've had Activity Monitor open for a couple of minutes now and it is hovering between 30-70% cpu use. With a quad-core CPU I think that is somewhat misleading but even so, should the system monitoring ...
Mr. Boy's user avatar
  • 2,717
28 votes
1 answer
9k views

Why are there so many valid users on macOS?

When going through Activity Monitor, I see many different users (other than my own account and the root account) responsible for individual processes. Why are the processes divided among many users ...
Mukund Ramakrishnan's user avatar
1 vote
1 answer
167 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%, ...
divB's user avatar
  • 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. ...
Darcy's user avatar
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