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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.

126
votes
6answers
160k views

What is installd, and why is it eating my CPU?

My Macbook is frying my lap, and the CPU monitor is going crazy: over 200% CPU being used by something called "installd". What is it? Can I kill it? (OS X 10.8.)
61
votes
3answers
36k views

What's the difference between Real, Virtual, Shared, and Private Memory?

The different columns in Activity Monitor are a little confusing
59
votes
8answers
80k views

How to monitor file access for an OS X application?

I am looking for the OS X corespondent of FileMon, that was later included in ProcessMon. BTW, it is essential to be able to filter by process.
57
votes
3answers
36k views

What scale or measure does Mavericks' and Yosemite's “memory pressure” adhere to?

Mavericks' (and also Yosemite's) Activity Monitor shows a new diagram, the memory pressure. Sadly, its help text only vaguely explains what exactly it measures. How is memory pressure calculated? ...
42
votes
10answers
53k views

How do I debug an out-of-control “kernel_task” process?

Just recently I noticed my battery life having a pretty significant drop and the "kernel_task" process using quite a bit of CPU (a constant 1-6% on my 2.8ghz dual-core i7, 2010 MBP). Obviously I think ...
27
votes
2answers
11k views

macOS - ntpd uses more than 100% of CPU

it happens couple times every day, my MacBook becomes extremely slow. When I check Activity Monitor, I see that ntpd process uses more than 100% of my CPU (usually around 140-180%). If I kill it (...
23
votes
1answer
17k views

What does it mean when a %CPU exceeds (# of cores) x 100%?

Several responses to a question I asked earlier suggested I try Opera kiosk mode, so I decided to download it and give it a try. Once the download had completed and the disk image was being verified, ...
18
votes
3answers
16k views

Activity Monitor in Mavericks “Show Memory Usage” dock icon gone?

I just purchased a new MacBook Pro with Mavericks installed and noticed that Activity Monitor doesn't have the "Show Memory Usage" dock icon option anymore. I really liked this option since I used it ...
17
votes
8answers
80k views

Is there a keyboard shortcut for launching Activity Monitor?

I can't seem to find a shortcut for launching the activity monitor. Does it have one?
17
votes
10answers
33k 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?
17
votes
2answers
30k views

How does 'stuck' (in results of 'top') relate to 'not responding' (in Activity Monitor), 'spin' or 'hang'?

In results of top commands, I sometimes see stuck. Apple's top(1) OS X Manual Page does not explain this use of the word. How, if it all, does stuck relate to the following? not responding – may ...
16
votes
2answers
37k views

How do I kill a process that won't die?

I'm unable to kill a process using any of the techniques I'm aware of ("Force Quit" in Activity Monitor, top, killall from the Terminal) and wonder if there are some additional steps I can take. ~ $ ...
15
votes
9answers
78k 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 ...
15
votes
1answer
19k views

Firefox “not responding”, can't force quit, doesn't show in activity monitor [duplicate]

I have entered a weird state Firefox was open. The icon appears in the cmd+tab task menu. In the dock it shows as "not responding". Force Quit does nothing though. Ok... but then it doesn't show in ...
15
votes
4answers
15k views

High CPU usage by a process called PTPCamera

On my Macbook Pro (Retina, Mid 2012) is a process, called PTPCamera, using a lot of CPU-Time . I already have killed this process but it spawned immediately again. 85% of CPU usage eats my Battery ...
14
votes
3answers
86k 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 ...
14
votes
3answers
5k views

In activity monitor what time frame is the data sent / received data from?

In the network tab in activity monitor there is a read out of data usage showing sent and received in GB. What this dosnt tell you is over what time period this is, is it from a day, a week and month ?...
14
votes
3answers
3k views

How does Apple calculate the energy consumption of a process in OS X Mavericks

In OS X Mavericks you can monitor the energy consumption of different processes in Activity Monitor. Here we can see 'Energy Impact' and Avg Energy Impact' and that the values can exceed 100. Also ...
13
votes
6answers
13k views

Alternative activity monitors for OS X?

I’m a bit intrigued by the new detailed activity monitors and progress indicators in Windows 8 (copying files, the task monitor, network activity, etc.) It got me thinking: surely there must be some ...
13
votes
7answers
11k views

What's triggering my Finder's CPU binges?

A few times a week, the Finder on my Macbook shoots up to around 100% CPU use, and the fans start blasting. I've done everything I can think of - repaired permissions, rebooted, trashed preferences, ...
12
votes
1answer
4k views

Why does Apple Activity Monitor report that my Mac with a dual-core Intel i5 Ivy Bridge CPU has 4 cores?

I just got a new Apple MacBook Pro 13", mid-2012, which has a dual-core Intel i5 Ivy Bridge CPU. When I run Activity Monitor and turn on the Floating CPU Window, it shows a 4-bar graph (indicating 4 ...
11
votes
3answers
8k views

How many cores does a Mid 2012 Macbook Air have?

I checked the specs, and the i5-3427U CPU has 2 cores. But the Activity Monitor shows 4 little charts for the CPU, so it looks like 4 cores. Which is correct? Why does the Activity Monitor have 4 ...
11
votes
2answers
44k views

Managing and removing startup processes on OSX Lion

My Startup Items for my username (i am admin) shows only dropbox - yet a look at my processes (in activity monitor) shows other helper processes from Adobe, Lexmark, etc, etc. Where can I see and ...
11
votes
1answer
9k views

Howto see disk I/O utilisation per process - iotop and pidstat not available in Homebrew on macOS

I have the same question like this, but for macOS. There is a GUI solution with Activity Monitor. Any command line alternative? I use latest macOS Sierra.
11
votes
1answer
5k views

Memory terminology in Mavericks Activity Monitory

In Mavericks, the Activity Monitor has changed its memory terminology. The columns available when viewing processes in the memory tab now include "Memory", "Real Memory", "Real Private Memory", "Real ...
11
votes
1answer
3k views

What's the racoon doing in my apple?

I'm not normally one for paraniodly checking my activity monitor for rogue processes; but this one just has my internal nature-watcher all curious. Why is there a racoon running under my root user? ...
11
votes
4answers
17k views

icdd process consuming substantial memory on macOS

In the past week or so the process 'icdd' has been starting from time to time and when it does it consumes massive amount of RAM (upwards of 7 GB). When this happens, my MacBook Pro essentially ...
11
votes
1answer
922 views

Why does Dashlane use so many ports?

I use Dashlane to store passwords, and I like it, but there's one problem I've had with it. I use Activity Monitor to see what's going on, and something strange has been happening with Dashlane lately....
10
votes
3answers
16k 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 ...
10
votes
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 ...
9
votes
4answers
3k views

Is there a way to show each CPU's load separately?

I'm seeking an equivalent of a common Linux based process monitor, which shows a history graph for each CPU core. This can help identify programs that are effectively using all the cores (here, ...
9
votes
1answer
875 views

What kind of “messages” does Activity Monitor track with the “Messages Sent” and “Messages Received” columns?

In Activity Monitor on OS X, it is possible to add additional columns to the process list view. Two columns available in that list are "Messages Sent" and "Messages Received", which show up as "Sent ...
9
votes
3answers
3k views

MacBook Running Really Slow, Activity Monitor Reports HUGE VM

My MacBook is running really really slow at the moment, I have quit loads of processes (but activity monitor only reported about 10% cpu usage anyway). I had just noticed I have a VM Size of 250GB! ...
8
votes
2answers
532 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 ...
8
votes
3answers
2k views

Is there a htop-on-linux like alternative for top / Activity Monitor on OS X?

I'm looking for a better alternative for top. Both top and Activity Monitor are highly limited with regards to features. In particular, I'm interested in the following features: Limit processes by ...
8
votes
2answers
3k views

How can virtual memory be greater than the total available space?

Why does my MBP sometimes report VM Size: 300+ GB in Activity Monitor under System Memory tab, when my hard disk size is only 250 GB (total) and RAM is 4GB? I know it can't magically get that extra ...
8
votes
3answers
2k views

HP Product Research on Activity Log

I'm seeing an item on my activity monitor called 'HP Product Research.' I assume it's associated with some HP Printer drivers that I no long need, and have have removed, but this tracker keeps ...
7
votes
5answers
25k views

Issue with deleting user account

I want to delete a user account before selling my machine, so I chose the secure delete account option in System Preferences > Users & Groups. I think I saw a progress bar at first as it was ...
7
votes
1answer
2k views

Wi-Fi taking up lot of memory

Since the last major upgrade to macOS Mojave, I have the Wi-Fi process taking up a lot of memory and in an exponentially way. Time to time I need to force quit it in Activity Monitor because it takes ...
7
votes
2answers
3k views

com.apple.hiservices-xpcservice results in frequent hangs and freezes in my mac

Problem: com.apple.hiservices-xpcservice hangs repeatedly ever since I upgraded to macOS Mojave 10.14.1. Now,everytime the process hangs it is indicated by red colored fonts in the Activity Monitor. ...
6
votes
2answers
416 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 ...
6
votes
3answers
6k views

Why does speech recognition take up 1 GB or RAM suddenly? And Gmail in Safari 738 MB?

I did enable speech recognition just in case, but very rarely use it, and I did not remember even accidentally activating it since bootup. Now I simply have a few apps running under Mavericks, and I ...
6
votes
1answer
7k views

VM size in Activity Monitor: hundreds of GB?

When I open the Activity Monitor, I get something looking like this: http://support.apple.com/kb/HT1342. But why the heck is "VM size" around 100-200 GB?? Here is the capture from the apple support: ...
6
votes
2answers
2k views

Process “warmd” keep busy mac after upgrading to macOS 10.14.4

After upgrading my Mac mini to macOS Mojave 10.14.4, every time I restart the computer the process "warmd" keep busy CPU and hard disk for 10-15 minutes, with great "spooling" noise and slowing down ...
6
votes
3answers
1k views

Acceptable CPU usage for 4 core 3.4gHz i7

Creating a kiosk application for the Mac and am testing performance and CPU usage. The activity monitor shows a total of roughly 90 to 150% CPU usage for the always up, kiosk processes. My first ...
6
votes
4answers
12k views

Report Crash ~350% CPU Yosemite

10.10.3 There is a process, I do not know how its started and what it starts, which uses ~350% of the CPU. Its performed by 'root'. When I quit it from the activity monitor it comes back straight ...
6
votes
3answers
8k views

Looking for a free system monitoring tool [closed]

I'm looking for a system monitoring tool, preferably a free one. I don't care if it's an actual app or sits in my terminal. Activity Monitor doesn't give me all the information I want at once. ...
6
votes
1answer
2k views

Select and quit multiple processes at the same time in Activity Monitor

How do I quit multiple processes in Activity Monitor at the same time? As you can see, it doesn't let me do that: The quit button is disabled when I select more than one process in the list. Is there ...
5
votes
2answers
629 views

What process is accessing the hard drive?

I can hear the hard drive chugging away when it should be idle. Some process is writing/reading from it in semi-random bursts, let's say once every second. Very annoying and wasteful. I tried ...
5
votes
2answers
5k views

what do App Memory, Wired Memory, and Compressed mean?

In Activity monitor, what do App Memory, Wired Memory, and Compressed mean? For example, I am used to the columns in the output of free from procps-ng under Linux. By the way, how can I install ...