Mac 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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2
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1answer
551 views

In Mavericks' Activity Monitor, what is a “Zombie?”

I have Nginx installed; compiled via MacPorts, and configured to launch on start-up. When I go to the Disk tab of Activity Monitor after installing Mavericks, the nginx process(es) is listed with a ...
40
votes
5answers
31k 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.)
0
votes
1answer
24 views

Hits ram ceiling on boot

I just restarted my Late 2011 Macbook Pro. 3.58Gb-3.71Gb / 4.00GB are being use right out the gate. It takes forever for anything to load. I'm very interested in purchasing new ram, but for the time ...
0
votes
1answer
52 views

CPU at 100%, but no processes showing significant usage

Situation: All 4 cores maxed out. Mac noticeably lagging. Attempted Solution: (Reveals wildly contradictory information.) Closed all applications Opened Activity Monitor Totaled all Process ID ...
0
votes
1answer
530 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 ...
5
votes
5answers
8k 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 ...
0
votes
0answers
41 views

How to group cpu cores in Activity Monitor (Mavericks 10.9.2)?

I've got MacBook Pro with 4 cores and Hyper-Threading(HT). I've also got a MacBook Air with two cores and HT. On both devices I've set Activity Monitor to show CPU History (View -> Dock Icon -> Show ...
2
votes
1answer
119 views

Blank process name in Activity Monitor on OS X Mavericks

In my activity monitor I have noticed that there is a process appearing that has no name. It is owned by root. How can I find out what this process is?
28
votes
3answers
13k views

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

The different columns in Activity Monitor are a little confusing
0
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0answers
27 views

Reset Activity Monitor disk read/write stats

In OS X 10.9 Mavericks, the Activity Monitor app shows statistics for total data read and written on hard disks. (I assume this is the aggregate of all disks.) I'd like to know how to reset these ...
2
votes
3answers
8k views

Google Chrome Helper for “GPU Process” constantly shown as non responsive in OS X 10.9

I upgraded to OS X 10.9 yesterday, and since then, one Google Chrome Helper is constantly red in Activity Monitor. I checked the PID (375) in Google Chrome's own task manager, and it is GPU Process. I ...
0
votes
2answers
107 views

OSX Mavericks using up RAM

I've had Mavericks installed for over a few months now, and the computer has slowly been degrading since then. Before I installed Mavericks, my computer ran fine; now it is always using up all 4 GB of ...
4
votes
7answers
7k 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
votes
0answers
131 views

Why does speech recognition take up 1 GM 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 ...
14
votes
3answers
9k views

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

Mavericks' 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? Picture creds go to ...
1
vote
1answer
225 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. ~ ...
0
votes
1answer
48 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, ...
2
votes
2answers
122 views

How long can my MacBook Pro sustain greater than 100% CPU usage?

The Activity Monitor app says my macbook pro 10.7.5 is at 300% CPU usage when I'm trying to install and sync my Bitcoin-Qt client. I let in run like this with the fan going crazy for 4 hours without ...
1
vote
1answer
39 views

How to log system activity the whole day

How can I log my Macs system activity the whole day (on OS X Mavericks)? E.g. memory and CPU usage? Update I tried OsTrack, but it crashes all the time.
0
votes
0answers
49 views

How to prevent PressAndHold from loading?

I have already disabled PressAndHold through terminal, but I see that it still appears as a process on Activity Monitor. It is taking 2.9 MB for me, but I want it to stop and not to begin at all. When ...
3
votes
1answer
135 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 hanging out. ...
0
votes
2answers
76 views

Any app or script to track per process usage?

I am running a process and I want to track it's CPU usage and in the end I would like to have a graph of time vs CPU usage. Any app or script for that? I googled and I couldn't find any. And activity ...
0
votes
0answers
8 views

how to know how much data your mac uploaded in a certain time [duplicate]

I'm working in a shared office space.. and i'm been accused that my laptop is the one that's responsible for uploading (uploading, not downloading) a lot of data in specific periods of time (ie you ...
6
votes
1answer
898 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 ...
1
vote
2answers
119 views

In Activity Monitor, is the percentage out of each core or out of each virtual core?

I have my new MacBook Pro with 2 cores. However, the Activity Monitor shows me 4 “virtual” cores. (I don’t really know what a “virtual core” is.) If the processor is running at maximum, what ...
2
votes
2answers
456 views

What do the appleprofilepolicyd and wdhelper processes do?

I found in activity monitor appleprofilepolicyd and wdhelper but after googling a while didn't found any interesting information: wdhelper - could be a webdrive or webdav - found only wdhelper.dll ...
8
votes
3answers
8k 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 ...
0
votes
0answers
57 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 ...
4
votes
7answers
9k 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.
3
votes
3answers
460 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 ...
2
votes
1answer
756 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 ...
10
votes
2answers
349 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 the "Activity Monitor"-App. Also there will be a menu bar icon which lists the most energy consuming applications ...
6
votes
3answers
31k 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 ...
0
votes
2answers
273 views

How to monitor CPU core usage?

I have a Macbook Pro 15" with the quad core i7. I am looking to see what if any performance decrease I could expect moving to a 13" Macbook Pro with a dual core i7. To that end I thought Activity ...
1
vote
1answer
620 views

What do appleeventsd and AppleIDAuthAgent do?

I looked in the activity monitor to clarify what are those processes and started with alphabetic order. I know different resources where many processes are described. But appleeventsd and ...
1
vote
1answer
123 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 ...
8
votes
5answers
6k 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 ...
0
votes
1answer
106 views

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

See Handbrake CPU usage... What's wrong with my activity monitor?
11
votes
6answers
6k 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, ...
0
votes
1answer
194 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 ...
4
votes
2answers
1k 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 ...
3
votes
1answer
81 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
votes
1answer
525 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?
13
votes
5answers
19k 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 ...
0
votes
1answer
316 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 ...
2
votes
1answer
184 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 ...
8
votes
1answer
363 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 ...
6
votes
6answers
21k 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?
0
votes
1answer
90 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 ...
5
votes
2answers
2k 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 ...