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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OSX Yosemite uses over 500mb daily, without me using it. And only the total data received shown in Activity Monitor - no detail in specific process

Almost every day, about 560mb of data is received and I'm not downloading anything. When I check in the Activity Monitor, it shows the 560mb usage, but in the list of processes, there is hardly any ...
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1answer
2k 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 ...
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1answer
653 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 (...
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1answer
5k views

Safe way to cancel shrinking hard drive partition

I thought it would be a good idea to create another partition on my hard drive to use as a backup. I opened disk utility and configured the internal hard drive to split half between the OS partition ...
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1answer
309 views

How do I increase the font size in Activity Monitor?

I've tried cmd+ and cmd-, and I've looked through all the menus. I'm aware of "accessibility zoom" and it is not an answer to my question.
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1answer
107 views

Application eating ~840,000,000% of my CPU

I noticed that sometime some application are using some impossibly high amount of my CPU according to the Activity Monitor, as the screenshots below illustrate. How comes Activity Monitor displays ...
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2answers
20k views

Safari 8 on Yosemite Spawning distnoted process and spiking CPU load

My Safari 8 was hijacked by Open-Search.com after updating OS to Yosemite (10.10). The effect was two fold, my home page was hijacked by Open-Search/MacKeeper and the CPU started to load spikes at ...
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3answers
815 views

What does “Vector 0xdd(TMR)” do and how can I fix a problem that I'm having with it?

I am currently having problems with kernal_task using ~2GB of RAM and looking at what advice exists I ran sysdiagnose and in powermeterics.txt I found that Vector 0xdd(TMR) was doing ~20,000 ...
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3answers
13k 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 ...
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1answer
3k 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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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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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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587 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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0answers
222 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 ...
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2answers
9k views

macOS Sierra keeps running out of application memory [duplicate]

Every time I turn my Mac on, after a while the app memory just runs out. These are just from 10min apart, after working for a while. I need help figuring what those Installers are and why the ...
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4answers
13k views

Accountsd using lots of CPU constantly

This dreaded issue started at some time after upgrade to OS X (Yosemite) 10.10.3. accountsd uses about 60% CPU constantly, making the laptop hot and noisy. I'm not using iCloud at all. Killing it ...
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2answers
12k views

How to stop an app from running completely on OS X?

Few days back I installed Team Viewer on my MacBook Pro running OS X 10.9.4 Mavericks. It worked fine at the first. Now the app is stuck on the dock saying "Application not responding" and it's ...
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3answers
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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,...
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2answers
14k 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
747 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
295 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 ...
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1answer
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In macOS Activity Monitor, why is “Applications in last 12 hours” grayed out / disabled?

Any idea why the "Applications in last 12 hours" is disabled in the "Activity Monitor"? At one point it appeared briefly -- but after days of using it, it has since disappeared. Using macOS 10.15.2....
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2answers
1k 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
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1answer
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getting some information from activity monitor in mac pro

I am running a code in Ampl I want to make sure my code is running still ,( I can not see it from software). in activity monitor the %cpu for this software is 99.6 . Is this mean the code is running?...
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1answer
206 views

What is the difference between `IO` and `Data` in the Activity Monitor?

In the Activity monitor, under the tab Disk, at the bottom center, there is a small graph which can be set to either IO or DATA The two graphs look somewhat similar. I understand that I/O very ...
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1answer
1k views

Open activity monitor minimized on startup

I sometimes like to have Activity Monitor running in the dock (to see CPU usage chart in the icon at a glance). I didn't use it for some time though, but with a new mac I bought (El Capitan) I ...
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1answer
61 views

What's this process 'collision'?

There's a process running on my machine which Activity Monitor reports is using 142% of CPU, 22 hours of CPU time and has thousands of idle interrupts. It's running under my user, and doesn't appear ...
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2answers
2k 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 ...
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1answer
1k 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
2k 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 ...
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3answers
927 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 ...
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2answers
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How does Watch determine distance walked if Location Services are off?

Apple Watch 3 (newly purchased) and iPhone XR I rarely enable Location Services on my phone. When I go for an ‘Outdoor Walk’ the ‘Activity’ app tells me my step count and the distance covered. If ...
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1answer
55 views

Process called “ItYoingm” using over 90% CPU and over 106GB memory - root user

I have recently downloaded Catalina on my Macbook pro and every now and again my fan goes into overdrive, even when I'm hardly using any programs. I opened my Activity Monitor and there is a process ...
2
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1answer
39 views

top alternative for GPU usage and networking

I want to get all the info from Activity Monitor in the terminal (because I am executing these commands in macOS app). It also has to terminate - e.g. for top I can write: top -pid <somepid> -...
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1answer
32 views

Activity Monitor data, in recent history?

Lately my MacBook Pro has a lot of moments where it slows down for a few seconds, stops responding to keys and touchpad, displays a rainbow wheel of doom, and then comes back. If I go to the Activity ...
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1answer
88 views

Activity Monitor - How to view multiple panels at the same time

I'm currently trying to view multiple metrics at the same time using Activity Monitor app (yes I have tried top, htop, etc but I was wondering if this is possible with Activity Monitor). Fx. looking ...
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1answer
58 views

Is there any command line alternative to Activity Monitor that would yield the same results?

I know there's top and htop commands, but they lack a lot of information. For example there is no way to list processes from Energy tab. Or is there at least some kind of API for Activity Monitor ...
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1answer
375 views

Launchd process behavior

just wanted to ask a quick question I can't seem to find a straight answer to. What is normal "launchd" process behavior I should be seeing in Activity Monitor? Right now it is writing GB's of data ...
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1answer
46 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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1answer
785 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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1answer
795 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 ...
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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 ...
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1answer
2k 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?
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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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0answers
613 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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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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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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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 ...