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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1answer
573 views

Activity Monitor show no processes

With 10.13. I using Item2 to compile golang (src/all.bash). When cpu is get 100% The Item2 can't response. I have already open Activity Monitor. But I can't force quit the Item2. Then I quit ...
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1answer
296 views

What do Memory and Compressed Memory columns mean exactly in Activity Monitor

I'm aware what compressed memory is from answers like this and Apple support but what I can't find is what exactly the usage means. Take my system right now: Is it telling me the top process is ...
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2answers
477 views

How can I distinguish a service form a process in Activity Monitor?

Is there a way to determine if an entry listed in Activity Monitor is a service (daemon) or a process (application)? Examples: Firefox (application) com.apple.audio.SandboxHelper (daemon?) Is there ...
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3answers
18k views

Make Activity Monitor show more than 4 cores worth of CPU usage in the Dock

Is it possible to force more than 4 cores in the Dock, this looks like a feature apple does not want after checking out Mac OS X: Activity Monitor shows one CPU Usage graph on systems with more than ...
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9answers
89k views

My external monitor doesn't work at full resolution with my MacBook

I've got a MacBook Pro (Early 2015, OS 10.11.2) and I've also got a Dell 2209WAf monitor, which I'm using with a VGA cable and this adaptor. The monitor's optimum resolution is 1680x1050 @ 60Hz and ...
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1answer
1k views

What is this mystery process: “-i”?

I have a mystery process visible in Activity Monitor, simply called "-i" - don't remember ever seeing this before. Its parent process is launchd, and belongs to root. Persists between reboots; ...
0
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1answer
806 views

How can I diagnose a Mac running hot and having high fan usage?

My Mac is running hot with the fan cutting in often. How can I diagnose what's wrong? PS: Some sources mentioned Activity Monitor as a tool to diagnose this, but I couldn't find the application.
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1answer
175 views

How to know which apps to shutdown when there is overheating?

I once unfortunately closed a program that I found in the Activity Monitor to be using a lot of resources. A bit of Context: that day my macbook pro was suddenly heating up like crazy and the usually ...
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1answer
44 views

What is the process „Tornit“? It wants to access Safari documents & passwords

I was using Safari a couple of days ago, when I got a pop-up window: Tornit wants to control Safari and access your documents and passwords. Do you allow it? I clicked No. Tornit is a process I ...
15
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3answers
90k views

How to tell what program is launching softwareupdated?

My Macbook was running really slow after opening it up and so I opened Activity Monitor and saw one process called softwareupdated that was not responding. It didn't say it was using any CPU but my ...
8
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2answers
850 views

Why is Illustrator throttled to 2% speed when it's in the background?

I regularly run a .jsx script in Adobe Illustrator that saves a bunch of files in a particular format. while Illustrator is the active app, running the script on 5 files takes 23 seconds. When ...
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1answer
76 views

How can a process have 970% CPU usage on a dual-core computer?

My MacBook has a dual-core processor with hyperthreading, so 4 software cores. Seems like the maximum CPU usage would be 400%? I missed the screenshot, but today kernel_task shot up to 970% CPU for a ...
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1answer
31 views

Activity monitor stops updating or intermittently updates

Since I upgraded to High Sierra, the Activity Monitor has been relatively unusable for me. When I launch it, it updates for a while, but after a while (especially after a time of high CPU load), it ...
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10answers
35k views

How can I see bandwidth usage on a Mac?

I am having internet problems and the ISP technicians suggested that something is using my bandwidth. Is there a software to monitor which processes use how much bandwidth?
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0answers
3k 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 ...
-1
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1answer
175 views

How to force stop all the processing in the background (and map that command to a keyboard shortcut)

My Mac has been having a lot of issues lately. Most of them have to do with lagginess and the spinning beach ball appearing quite often, and staying there for a long time. If my Mac is so slow, there ...
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1answer
1k views

Why is Adobe Acrobat using only one core for a heavy task, and how can I make it perform faster?

Adobe Acrobat is performing Optical Character Recognition on a document with thousands of pages. This is a heavy task which will take hours. Activity Monitor tells me that Acrobat is only using one ...
2
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1answer
41 views

Tracing real-time filesystem calls by process?

I suspect my backupd is performing a full filesystem scan. I can't tell because I don't know how to use Activity Monitor (or something else) to see what directories and files backupd is reading or ...
2
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3answers
3k views

Mac Mini 2011 extremely hot and surprisingly slow

I just bought a Mac Mini (mid 2011) secondhand with the following specifications: 2,3 GHz Intel Core i5 8 GB 1067 MHz DDR3 512 GB SSD Intel HD Graphics 3000 512 MB I used to have a iMac 2006 earlier,...
2
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1answer
963 views

How process hierarchy works in macOS

I'm wondering how Activity Monitor relates these two process if the child (Safari Web Content) doesn't have the ppid of the main one (Safari). pstree, which uses the ppid to organize the tree, shows ...
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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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1answer
1k views

Monitor disk activity per volume without third-party software

I have many disks/volumes connected to my OS X system. I want to monitor, in real-time, read/write speed for each volume. OS 10.9 activity monitor shows only the cumulative numbers for all volumes, ...
1
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1answer
2k views

Why does htop show different CPU levels for processes than top or Activity Monitor?

I installed htop through brew, real pleasure of a view compared with top. The totals across both CPUs for top align with the sum of totals per-CPU in htop. E.g. right now I see about 40% per CPU in ...
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1answer
92 views

How can I display Activity Monitor's “Memory” columns through Terminal?

Activity Monitor has a number of columns that show different measurements of memory usage for each process. Including: Memory Real Memory (various) Compressed Memory How can I display these for a ...
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1answer
23 views

What is portProxy.bin and why is it sucking/eating/using up my CPU?

Through today, portProxy.bin has been eating up my CPU, constantly using about 60% and making the fans in my computer whizz up. I'm guessing it might be connected to my VPN use, but now I haven't ...
3
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1answer
640 views

Why is “Real Memory” greater than “Memory” for kernel_task process?

What exactly does Activity Monitor's Memory column mean? How come in the example situation below (from a macOS High Sierra system) the Real Mem column is greater than the Memory column? According ...
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1answer
2k views

Java 100 % CPU usage

I am using IntelliJ IDEA compiler for Java programming on my MacBook Pro 2015 Retina (Yosemite). When I run some Java program in my activity monitor appears Java process and takes 100+% of CPU. The ...
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1answer
245 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
2k views

maspushagent using CPU

[retina MacBook Pro 15", Late 2013, OS X 10.11.4] I always keep Activity Monitor running, and just noticed that CPU usage was up significantly. The process maspushagent (owned by me) has now been ...
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0answers
85 views

Safari shows blue dot below Dock icon though it's not in process table [duplicate]

Summary: Safari is running according to the Dock (icon has dot below it, and right-click shows "Force Quit"); however Activity Monitor doesn't show it and ps -ef | grep -i saf returns nothing. ...
2
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2answers
571 views

Why aren't my cores more busy?

just purchased a 2010 Mac Pro, running High Sierra. It has 12 lovely cores. But, when I look at the CPU activity in the CPU History half of the rows are blank (image below). Does this suggest one ...
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1answer
338 views

What is App Memory calculated from?

I'm trying to use Geektool to keep a running monitor on my system, and wanted to include proper memory usage in my stats. I'm using Activity Monitor as the basis of my memory monitoring, but I'm ...
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1answer
1k views

Processes in Activity Monitor with gray lettering

Why are there some processes listed in Activity Monitor for applications that I've recently quit? They are displayed in light grey characters under the Energy tab, and the only column with data is the ...
5
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1answer
5k views

Random extreme CPU spikes on random browser tasks

I've noticed that every once in a few days (sometimes daily) my CPU spikes to a 120% or such usage when any of my browsers are open. The scenario is weird, today I was watching a movie using VLC ...
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1answer
7k views

AddressBookSourceSync a virus?

On my mac, in activity process, there are two processes that keep on running even though I stop them. They are AddressBookSourceSync and com.apple.AddressBook.ContactsAccountsService. Is it possible ...
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2answers
2k views

How to show command of a process in activity monitor?

I want to see the exact commands of some processes in activity monitor, as most linux process monitor can do. Is it possible with activity monitor?
13
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2answers
3k views

How to find out process owner of unidentified windows?

I have an odd error that I have not been able to associate with an application or PID properly. In Windows, there is Process Explorer with the very handy target function that allows you to click it ...
2
votes
1answer
726 views

What's the normal value for cached files?

My computers been randomly shutting down. I've noticed on activity monitor that cached files is almost always at 8GB+, even with no programs running. Is this a normal value? If not, how do I diagnose ...
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0answers
309 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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1answer
30 views

What could cause swapping when there is no memory spike?

I had a performance issue recently, which I was able to capture in the Monitor. It looks like there was plenty of free memory, but then suddenly the graph goes red, with no real spiking. Could this ...
4
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1answer
7k views

What is mediaremoteagent under Activity Monitor?

Under activity monitor there's a process called mediaremoteagent. I can't find any information about this process. What is this process and is it safe to disable it?
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0answers
199 views

Activity Monitor lagging and requires force quit? [closed]

Activity Monitor itself, any time I open it, lags horribly and shows a spinning "beach ball." It continues to lag horribly until I right click on it in the Dock, wait several seconds for the context ...
1
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1answer
310 views

Keyboard shortcut to switch between Activity Monitor tabs?

Are there keyboard shortcuts to switch between or select specific Activity Monitor View, e.g. CPU, Memory, Energy, Disk & Network? Use case example, instead of clicking with the mouse, it'd be ...
4
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1answer
6k views

300% of my CPU is being used? [duplicate]

I ran a Java applet, and it used over 200% of my CPU.... It actually rose to over 400% after I took the screenshot. How is this possible? Can someone explain why Activity Monitor shows a task as ...
3
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1answer
3k views

How to resume a “paused” application after an out of memory situation?

Occasionally - even with abundant care - my 16GB MBPro runs out of application memory and the dreaded "No more application memory available" dialog appears. Fortunately we are still able to access ...
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0answers
546 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 ...
3
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0answers
586 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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1answer
277 views

Is it normal for LaunchD to write over 600 megs of data to /private/var/db/dyld/dyld_shared_cache_x86_64?

My hard drive began writing a lot and I was having to wait a lot to launch apps. The Activity Monitor told me that launchd had written over 600 megs to the drive. So I ran this: sudo lsof -p $(ps -...
2
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0answers
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 ...
0
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1answer
33 views

Fan running almost constantly

Quite recently, my late 2012 Mac Mini went from being virtually silent, to having the fan on quite hard nearly all the time, regardless what I'm doing. If I use some 3D rendering or similar then it ...