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.

21 questions with no upvoted or accepted answers
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845 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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2k 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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0answers
584 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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42 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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31 views

System process logger

I have been having repeated issues with my MacBook Pro where it freezes during trivial finder tasks like scrolling through directories or opening relatively small files. Sometimes the computer is able ...
2
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272 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?
2
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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 ...
2
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0answers
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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321 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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467 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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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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39 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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94 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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45 views

How to get time-dependent CPU usage logs?

Sometimes my MacBook pro 2017 starts rotating the fan very fast. It's hard to see if there is anything abnormal in the Activity monitor because it looks pretty much as always but the total CPU load. ...
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106 views

How do I relate Activity Monitor's Disk “Data read/sec” and “Data written/sec” to overall data transfer rate?

I'm trying to understand just how much speed I'm getting when writing big files out one of my MacBook Pro's USB 3.0 sockets to an external drive, also with USB 3.0. An example is the copying -- via a ...
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306 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
220 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
30 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.