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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Extreme slowing down of MacBook Pro due to pkd process

I am debugging this issue for several days now, but just realized that a certain pkd process is responsible for extremely slowing down my MacBook Pro. When I kill this process, everything works fine. ...
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2k views

UserEventAgent Not Responding (MacBook Pro 2018 Mojave)

I opened activityMonitor and covered that UserEventAgent lighted red color. How can I fix this?
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4k views

Macbook performance issues with browsers

I have a MacBook Pro from 2013, and I'm having issues in both Chrome and Firefox - both are slowing down to a crawl, and when I check Activity Monitor I have multiple processes (in all the 'tabs' at ...
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589 views

Why is Activity Monitor showing two different memory values for the same process?

In Activity Monitor, I am getting two different values for the same process, mds_stores. The usage was around 4 GB an hour ago in the list and the window. It was high because I was reindexing my ...
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1k views

Why would AppleIDAuthAgent take nearly 100% CPU?

The AppleIDAuthAgent process on my 2007 Mac Pro running OS X 10.7.5 is taking up 95-100 % CPU continuously. I use it whenever I go to work. I also use it as a server. I occasionally pull/push ...
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64 views

Mysterious process 'phonetism' eats CPU and vanishes

My 2015 MacBook running Mojave has been acting strange lately, especially whilst browsing. Sometimes Safari will freeze up, or reload a page out of the blue. I can feel my computer struggling, so I'm ...
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702 views

What is DataclassOwnersManager?

https://discussions.apple.com/thread/8563977 A strange process is running on an un-logged-in user and taking up tons of resources. It's called "DataclassOwnersManager." I was able to force quit the ...
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318 views

Activity Monitor doesn't show main info?

this happens only some times . what changes is the info displayed in the lower portion of the window , what could be the issue?
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1k views

Function of a particular process in macOS High Sierra! (PrintUITool)

What is the significance of this (PrintUITool) process which goes by the name of PrintUITool, I cam across this process in activity monitor and found it take up huge chunks of memory and CPU space of ...
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3k views

Kernel Task is taking up 1.12 GB in activity monitor

I have an issue where my kernel task is taking over a GB of memory on my activity monitor. My fan seems to be going pretty crazy and is loud. Any ideas?
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1k views

OSX Activity monitor (energy) shows terminated terminal app with high average energy impact

I use my macbook like desktop (always connected to electricity) 95% of the time, so I never noticed this before. However, I had to use it on battery last few days and it surprised me how short the ...
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1k views

How does Activity Monitor get the URLs related to a “Safari Web Content” process?

Does anyone know how Activity Monitor.app gets the list of URLs that are related to a Safari Web Content process? Those processes show up as com.apple.WebKit.WebContent in ps output.
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105 views

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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1answer
1k views

Macbook Pro fan running full speed, activity monitor shows no computationally intensive applications

My 2018 Macbook pro 15 inch fan is running at full speed all the time. I checked activity monitor and my idle was >95%. If this is a hardware problem, is there any way to fix it without opening up ...
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1k views

High CPU usage for WindowServer process in Activity monitor

On my Macbook Pro 13" 2020 model, WindowServer is constantly eating away 20% to 40% CPU. Tried the usual recommendations, but none help. (reduce transparency, display scaling etc) Also tried to ...
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346 views

Activity Monitor doesn't show all CPU usage

This seems to be new behavior in macOS Catalina. While compiling a large C project with make -j8, the CPU is obviously pegged at 100%, but Activity Monitor doesn't show all the busy processes. I ...
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796 views

What is the “rm” process in Activity Monitor

The rm terminal command is being invoked (by an app, not through terminal), and the process has been running for a while at 100%. Here it is in Activity Monitor: Why is it seemingly stuck working so ...
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40 views

Killing a dialog box that doesn't show up in the dock

There's lots of information out there about how to kill an application that's not responding. But what if I just have some dialog box that isn't clearly associated with any running application? In ...
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96 views

What can I do if an application is “Not Responding”?

An application is reported as "Not Responding" by the activity monitor and "sleeping" by top. I am very reluctant to kill it because I will lose my work. Is there anything I could do? E.g., kill -...
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1answer
1k views

What is “Software Update” doing when it says “Checking for new software”?

"Software Update" seems to take a long time. What's it doing? Utilities -> Activity Monitor yields: CPU usage low ( 1% - 2% ) by the "Software Update" process. + network traffic inbound, [...
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22 views

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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7 views

How can Activity Monitor received packets count decrease?

In OS X Activity Monitor I noticed that the Received Packets count sometimes decreased as I was watching. This doesn't make sense because the number of packets counted in that column should always ...
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22 views

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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219 views

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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65 views

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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44 views

How to fix pkd service high CPU usage?

My browsers (Safari, Chrome) freezes after 1-5 minute of usage. Activity monitor shows pkd process at peak 100% CPU usage. Usually killing it works as a workaround, yet sometimes even Activity Monitor ...
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22 views

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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45 views

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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51 views

Macbook Pro 16" overheating external display and no scaling option

This is just with the monitor connected running in mirror mode, just one safer tab opened. This with the closed lid in clamshell mode running colder, but so tiny image at 2k resolution (or blurry at ...
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488 views

ApplePushService Segmentation Fault (with com.apple.apsd process threads)

I'm having a problem with ApplePushService and a Segmentation Fault (with apsd process threads). Is this some possible iCloud authentication problem? Does anyone have any ideas about this? OS Version: ...
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47 views

Touch Bar Server shows up in Activity Monitor, but no Touch Bar on my Mac

I have an early 2013 13" Retina MacBook Pro. I was checking Activity Monitor and noticed that TouchBarServer is usually at the top of the list for both CPU and Memory. Mind you, the 2013 MacBook ...
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23 views

I have dual monitors for my MacBook Pro. Stop Automatically shift to one of the monitor?

I set up my dual monitors connecting to Macbook Pro and unchecked "the Display has separate spaces" option so that I can use the monitors in a continuous fashion. The two monitors are stacked up (one ...
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process investigation (wackly ruby)

I develop ruby on rails apps. Today I noticed a bunch of unexpected ruby processes taking up a bunch of memory. So I decided to investigate. The results of the investigation are sort of inconclusive ...
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Over 550 processes shown in Activity Monitor

I'm running High Sierra on my older iMac. I opened Activity Monitor and clicked on the Memory tab to temporarily monitor the Memory Pressure. The memory pressure was fine but I noticed Activity ...
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320 views

Programs running in background mac

I suspect my Macbook Pro has been hacked by sophisticated hackers who may have even customized some special malware for my computer. Is there anyway to tell from looking at the MacBook Pro Activity ...
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1answer
315 views

What is this no-name item in Activity Monitor's Energy tab?

I'm running macOS High Sierra and just noticed a couple of these processes with an icon but no name. See screenshot below.
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1answer
86 views

Activity Monitor Always Open Without Me Opening It

Why is Activity Monitor randomly open all the time on my work laptop even though I never open it?? I'm using a Macbook Pro on Mojave.