OS X's 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
300 views

Activity Monitor showing significantly less memory than About This Mac

I've noticed this has been asked many, many times in the past, but I think my question/problem might be slightly different. Over the last year I've found my Mac has slowed down to a point where it's ...
2
votes
1answer
2k views

Understanding active, inactive, free and swap memory allocation

this is a conceptual question that came up from an issue I have. I've been monitoring memory usage with iStat Pro and Activity Monitor for some weeks, since my MacBook Pro (OSX 10.8.4 Mountain Lion ...
12
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3answers
1k 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 ...
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1answer
202 views

Activity Monitor showing a process that takes 600% CPU? [duplicate]

See Handbrake CPU usage... What's wrong with my activity monitor?
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1answer
911 views

Spotlight constantly indexes MacBook Air (Lion). Takes up 50+% of cpu

So I noticed my Air was running very slow. Opened Activity monitor and noticed a process mdworker taking up most of the space. I googled it and it seems to be related to Spotlight. I opened Spotlight ...
1
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1answer
377 views

Kill processes automatically that get over x % CPU

I have a (rather annoying) process on my iMac that tends to get out of control. Unfortunately, it's not possible to get rid of it. Much as I want to. This process is fine at first - using 1-2 % of ...
3
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1answer
98 views

How do I read this Activity Monitor report?

I was trying to figure out why my Mountain Lion server was running slow, and I when I opened Activity Monitor this is what I saw: Question 1: how am I getting >400% of CPU on the summed CPU column, ...
0
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1answer
711 views

What are only necessary processes (minimal set) for OS X work?

What are only necessary processes (minimal set) for OS X work? What are the differences in the sets for different versions (Lion minimal set, Mountain Lion minimal set)? What are the processes that ...
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1answer
1k views

Is there a network usage utility that shows data usage by network connection

I use my Mountain Lion MacBook Air to connect to the internet using various methods. At home, I use my wired connection, which does not have a cap. Sometimes though, I connect via my iPad, which uses ...
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1answer
528 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 ...
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1answer
148 views

How to disable the docked Finder monitor pop-up on OS X?

Attached is the screen shot of annoying screen monitor round cornered box, not sure what thats called. I dont know how it appeared!!! I wanna disable it. The Command+option+escape window doesn't show ...
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6answers
73k 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.)
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2answers
193 views

Is there a way to switch to the selected process in activity monitor?

I'm wondering if there's a way to bring focus to a process that's in "activity monitor". Specifically, I've got a bunch of Google Chrome processes and I'm trying to figure out which process ...
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0answers
27 views

Is there an application to analyze this which application created a generic process in ram?

I noticed a generic "Java" process is using between 1-2GB of Ram after I upgraded to Mountain Lion. I know a lot of the apps I use require java. I have closed out all my apps and still it is using ...
1
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1answer
854 views

killing httpd spawns new processes

In short, I need to kill all httpd processes so I can run a particular program. When I go to Activity Monitor and Quit all of the httpd processes, a new one is immediately spawned. I'm not sure what ...
5
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3answers
680 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 ...
0
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1answer
1k views

There is a process called SH using 100% of my CPU

I checked the Activity Monitor and noticed 2 processes called sh that were eating my CPU. What apps are related to these processes and how can I stop them from eating all CPU?
0
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1answer
255 views

Mac has enough memory, but still pages in, is that a problem?

I recently upgraded my memory, but I notice that while the OS does NOT page out at all (from what I see in Activity Monitor), the machine pages in regardless. Why does that happen? Is that a problem? ...
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2answers
236 views

How can I remove remnant processes from deleted preference panes?

I discovered in Activity Monitor that I have several leftover processes running in the background that shouldn't be there anymore. I deleted these preference panes long ago with an application that ...
6
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2answers
3k 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 ...
0
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1answer
479 views

Why do httpd and mysqld processes not show up in Activity Monitor?

I'm running Mountain Lions built in Apache2 server. I have started the server and I can see the web pages but I can't see any httpd process in the Activity Monitor. Same goes for MySQL. I can't see ...
0
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1answer
297 views

Keyboard Viewer via keyboard shortcut wont actually quit after closing it

I managed to add a shortcut for keyboard viewer via BetterTouchTool. However, once I run Keyboard Viewer and close via the red X button, I cannot re-open it again via a shortcut. So I checked activity ...
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2answers
3k views

What's the difference between real memory and CPU, and what are there effects on the performance of my computer?

In Activity Monitor, there are a couple fields: "PID", "Process Name", "User", "%CPU", "Threads", "Real Mem", and "Kind". I'm not familiar with the inner workings of computers and the related ...
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2answers
11k 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 – ...
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votes
3answers
2k views

Getting a list of currently running processes

I'd like to get a list of all the applications currently running on my machine using the command line. It should be similar to what you get when you open up Activity Monitor and choose to save the ...
8
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1answer
2k 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 ...
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6answers
9k 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 ...
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3answers
1k views

Memory usage on Mac OS, how Activity monitor works?

I have these stats, but is the system really using almost 4GB? This Inactive memory... Can't I use it? How should I interpret these stats?
4
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2answers
264 views

Why can't this process terminate?

Just recently I ran into an issue where my network program couldn't bind to a port because it was already in use. I opened the activity monitor and realized it (named "server") was already running ...
0
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1answer
345 views

How many threads is normal in OSX Lion?

I just rebooted my system and right now Activity Monitor is showing over 500 threads running. Before I rebooted it was over 900. Is that normal?
5
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1answer
5k 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
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2answers
7k 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 ...
2
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1answer
228 views

Activity process does not terminate?

I am using a Mac and I use Macvim for programming. If my program happens to go into an infinite loop and I have to quit Macvim and restart it due to this the program will restart but the program ...
4
votes
2answers
2k views

Help identify what uses the CPU when the Activity Monitor list of all processes does not help

Problem After rebooting, and with only Activity Monitor open, my MacBook Pro (10.6, i7) shows a very high idle % (98% or higher) but then shortly after drops down to 40% - 50%. In the Activity ...
2
votes
1answer
664 views

What is webfilterdnsd process?

What is webfilterdnsd process running on my machine? Its started by user "nobody". Not able to find any other information on it online. How can I get more information on processes running on my mac? ...
4
votes
2answers
471 views

How can one filter MULTIPLE processes in Activity Monitor?

How can I look at several processes at once, instead of just one? For example… typing in bash, shows bash processes.. how to I show both bash and say httpd? First thoughts.. bash|httpd, no. Or bash ...
8
votes
5answers
15k 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
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8answers
11k 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?
0
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1answer
89 views

Is there an utility which can profile and report on the activity of a single process?

Activity monitor can report on a single processes's disk and cpu usage at a single point in time. The "Sample Process" feature is good for debugging, but doesn't provide easily digestible ...
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2answers
497 views

Activity Monitor showing ~3,000% percent CPU under normal use

Shows huge percentages for dropbox but total is normal, and everything seems to be running fine. I have a Macbook with Intel Core2Duo
0
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2answers
2k views

How can I see which processes are draining my macbook battery by percentage?

Android devices have a screen that shows you approximately what applications and processes are using your battery, by percentage. I'm wondering, in theory, can this be done on a MacBook? How do you ...
8
votes
3answers
37k 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 ...
4
votes
2answers
23k views

how to start/stop/restart processes

As a new comer from Windows OS, I wonder how to start/stop/restart a service on Mac OS X Snow Leopard 10.6.8 ?(it's straight forward on Windows using its Task Manager). I tried Activity Monitor, but ...
2
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1answer
433 views

Mac app to show cumulative CPU usage?

Activity Monitor will show you how much CPU time the current instances of each process have taken. I want an app that will show the total CPU time all instances of each process have taken, so I can ...
7
votes
2answers
938 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 ...
16
votes
7answers
21k 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.
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0answers
785 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, ...
16
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6answers
28k 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 ...
2
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3answers
578 views

What are the alternatives to Activity Monitor that will summarize cpu time over time?

Activity monitor is not always good if you want to see what is keeping your computer busy for a period of time. For example if you have gcc executed hundred of times it will take a lot of CPU power ...
11
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7answers
8k 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, ...