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 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?
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2 votes
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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 ...
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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 ...
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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 ...
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CoreServicesUIAgent - stuck on Verifying "providerESP.dylib" [closed]

I have recently updated my Macbook to Monterey and I have noticed I keep getting a Verifying "providerESP.dylib" dialog box appearing with a loading bar, but it never progresses and ...
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How to identify processes maxing out CPU load and causing spinning pinwheel icon

I would like a method that will identify which processes are active during periods when GUI is stalled with a spinning pinwheel cursor icon. Ideally, this method will be useful for identifying which ...
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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 ...
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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 ...
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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 ...
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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 ...
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2 answers
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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 ...
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Monterey: Notification Center not showing any alerts or badges for any app

I recently bought a 2015 15” MBP, and immediately clean installed Monterey on it, as well as setting up my user account. Computer works well, other than a battery service indicator… but, quixotically, ...
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iStat Menus vs Activity Monitor Memory Reporting

iStat Menus is reporting 16 GB of used memory but Activity Monitor is reporting 23 GB used. Who is telling the truth? Why are these apps reporting different values? MacBook Pro 14" 32 GB ...
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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 ...
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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'...
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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 ...
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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 ...
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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: ...
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My Touchbar isn't responding. If I tap, it works but im not able to view the functions. How can I solve this problem?

I thought it froze and I tried the command via terminal and activity monitor. I tried restarting but nothing worked. All the functions on my Touchbar works but it shows up a black blank screen.
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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, ...
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1 vote
1 answer
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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 ...
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28 votes
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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 ...
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1 answer
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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%, ...
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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. ...
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How to identify CPU hogs when screen is off?

I occasionally notice my Mac working hard, with the fan blowing strongly, while the screen is off and when it was supposed to be pretty much idle. When I turn on the screen, I can see in the activity ...
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Download activity monitor data

Is it possible to download a data file showing the data points collected on the activity monitor over a period of time?
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57 votes
3 answers
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What is this qemu-system-aarch64 process and why is it using almost 3 GB of RAM on my M1 Mac

I am on my M1 Mac mini (Big Sur 11.3.1). I got a message that I am running out of RAM and should close some apps. I saw this process called qemu-system-aarch64 that takes up to 3GB of RAM. I don't ...
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Mac OS Big Sur | kernal_task usage is 500% when connected to external monitor

I'm facing a system lag issue whenever I connect to my external monitor, even though there is no user process. I have already gone through some of the answers in the stack exchange and did two things ...
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1 answer
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TextEdit not responding after zooming in

Recently, i noticed TextEdit on macos bigsur(M1 chip) taking more than 3GB ram and is not responding after I try zooming in. Even though my .txt wasn't very big(just 4KB, barely 50 lines of text). ...
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5 votes
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How can I monitor Neural Engine usage on Apple Silicon M1?

I'm now successfully training my TensorFlow (2.5.0-rc1) models in my new Macbook Air M1 (yay!). But, for performance optimization and out of sheer curiosity, I'd like to monitor usage and performance ...
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What built-in utilities are available in macOS for managing/monitoring process/disk/memory/IO/file?

I think Activity Monitor can be used for managing/monitoring processes, but I am confused about the other four: disk/memory/IO/file. Are all these four functions be managed/monitored out by Disk ...
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7 votes
1 answer
3k views

What is the ApplicationsStorageExtension process on macOS?

I heard my MacBook Air's fan running loudly, so I opened Activity Monitor. I see that a process named "ApplicationsStorageExtension" has a high number for % CPU. How do I kill that process? ...
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TG Pro and Powermetrics

Recently I discovered an app called TG Pro that has all information about the CPU and GPU temperature. However, it shows that it is on sale with $10.00. But I'm not sure if this payment is monthly or ...
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3 answers
161 views

How do I check the memory usage from a certain time in macOs?

I had a website which was using massive amounts of memory on my MacBook but I was unable to take a screenshot of the total memory usage from Activity Monitor to file an issue with the website. Is ...
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4 votes
1 answer
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CPU and RAM usage statistics for iPhone/iOS (similar to Activity Monitor)?

Is there any (preferably free) way to view CPU and RAM usage by process (e.g. app) on iPhone without jailbreaking the device? Activity Monitor on macOS displays Process Name % CPU (per core I believe)...
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Resetting Activity Monitor

I read In activity monitor what time frame is the data sent / received data from? and understand that Activity Monitor data received/sent is from system boot. Is there a terminal command or other ...
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7 votes
1 answer
2k views

What is the Unknown (0) process with 232 threads on my iPhone?

Here's a list of the processes on iPhone, obtained with help of Activity Monitor in Xcode instruments. Is the Unknown(0) process with 232 threads owned by root malware?
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Activity Monitor and System Profiler won't report 32 bit apps

I'm trying to check which apps I am going to lose when I upgrade to Big Sur. According to numerous websites I should be able to do this via Activity Monitor or System Profiler. Activity monitor should ...
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gamecontrollerd taking up CPU, how to disable gamecontrollerd?

On my mac I see that gamecontrollerd is take 1+% CPU. I don't ever use a game controller and it doesn't seem useful for it to be running at all. Is there some setting to disable it? What is it doing? ...
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MacVim's Python processes populate Activity Monitor and take 99% CPU

Every time I open up MacVim, a Python process starts up. After exiting the program, they remain running. Opening up MacVim a second time will produce another Python process. What do I do to stop this? ...
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1 answer
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What is storagekitd?

I'm actually surprised I'm asking this as I would've thought there'd be something online regarding what this process is. I apologize if I didn't search hard enough... I'm curious to know what exactly ...
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2 answers
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how to force quit LookupViewService Processes?

How do I force quit the LookupViewService processes? Activity Monitor showed using a lot of Real Memory!
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1 vote
1 answer
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How to identify a strange item on my menubar?

After rebooting recently, I noticed a new, unknown icon showing up in my menubar (I'm on Mac OS 10.15.7). Right clicking / double tapping on it does nothing. When I open Activity Monitor, I see ...
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1 vote
0 answers
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What is wrong with my Mac? Unknown df process

I am using a 13-inch MBP 2019 running macOS 11.1. My Mac has been running extremely slowly starting today. It seems as though a process called "df" is the problem, but I can't figure out ...
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3 votes
1 answer
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Process owned by a user remains active after the user logs out

I share my MacBook Air1 with my son. When he is logged out2 of his user account and I look at the activity monitor in my account, there are several processes owned by his user that are still running: ...
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4 votes
1 answer
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Why can I not maximize Activity Monitor to full screen?

I am unable to find any meaningful answer anywhere else on the internet. You can maximize Safari to full screen. You can maximize Pages to full screen. You can maximize most of the general use native ...
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Activity Monitor: Is there a way to sum up child processes into their parents?

I really like the Hierarchical view in activity monitor for finding which process belongs to which application. The problem is that when you sort by "% CPU" it sorts by the value of the ...
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4 votes
2 answers
974 views

How do I view full process paths in Activity Monitor?

I'm using macOS Big Sur 11.0.1 and the Activity Monitor.app only shows the name of the process, and I can't configure it to show the full process paths via the GUI settings. Is it possible to show ...
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12 votes
1 answer
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View big.LITTLE cores on htop or similar utility

Is there a utility in which I can see which of the cores are running at which frequencies? Or, even better, that shows whether a core is big or LITTLE? For example, neither htop (on Rosetta 2, ...
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0 votes
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Identify a specific process in macOS Big Sur

I'm writing a shell script that mimics the functionality of setting the menu bar date and time format via System Preferences in macOS Big Sur. The action of checking/unchecking the 24-Hour Time option ...
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