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
288 views

Is there way to show disk i/o read/writes per process in real time?

I am struggling to find out what process is eating away my Mac performance, and disk i/o is the culprit. Activity Monitor frequently shows megabytes of read/write, but unfortunately, it does not show ...
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1answer
494 views

Activity Monitor shows java process, jps shows only JPS

My Activity Monitor shows a "java" process taking up 400 MB RAM. jps and sudo jps show only JPS. How do I find out what's running java?
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0answers
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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 ...
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1answer
13k 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.
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2answers
403 views

Macbook Pro Hangs/Freezes sometimes

I don't turn off my MacBook Pro very often, and sometimes it just freezes and restarts itself after a few seconds. Its very annoying, especially when I'm working on something. I contacted support a ...
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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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3answers
3k 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 ...
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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
70 views

measuring data exchange over external network

I am using Mac Air 2013, and I have a daily limit on the data I can exchange over internet that is 1GB. I would like to measure how much data each application is exchanging over the network. I was ...
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4answers
17k 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 ...
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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
39 views

Is there a way to filter Activity Monitor by unresponsive applications?

It can sometimes be a slight nuisance to scroll through the whole list in Activity Monitor to find unresponsive applications – especially when this happens often and there's a lot of processes going ...
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2answers
3k views

Mac at 100% CPU Usage when plugged into monitor

I just got this Asus 1080p monitor and I've connected my Mid-2014 13-inch rMBP (2.8GHz Intel Core i5, 16 GB of memory, Intel Iris 1536 MB Graphics, running El Capitan 10.11.6) to it via HDMI. The ...
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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? ...
12
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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 ...
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0answers
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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2answers
7k 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 ...
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1answer
968 views

Macbook Pro Power Consumption

I was wondering if it is possible first of all to get the overall power consumption for my MacBook? And if it is possible can I get this power consumption for each peripheral running (like ...
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1answer
1k views

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
141 views

MacBook gets heated up

I am running on macbook pro 2015. Since, few days, I have noticed a significant degradation in it's performance. Here is the screen shot of the activity Monitor. Can someone please help me on, how can ...
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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 ...
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1answer
7k views

Keyboard shortcut to kill an unresponsive App on Mac OS X

Today I faced really tight situation on my Mac with Skype (yes, again!) - it went unresponsive, and was not reacting on standard shortcuts, and I wasn't managed to close the app by standard means. I ...
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1answer
41 views

Change Activity Monitor update speed?

When viewing the CPU Load on Activity Monitor today, I was curious as how to make Activity Monitor update the chart and data faster. Is there a setting to change the update speed for Activity Monitor?...
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2answers
400 views

How to Locate an App Running in the Background

My Mac is a work computer that used to have LANDesk installed. My admin ran a script that uninstalled it. However, when my machine starts I still get prompted to allow apps from LANDesk (vulscand, cba,...
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1answer
479 views

Group processes by apps in Activity Monitor under Memory tab

I am using OSX 10.10.5 with activity monitor 10.10.0. Mac newbie. In the memory tab, all the processes under chrome is scattered. I just want to know to how much of the resource is used by chrome all ...
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0answers
40 views

Killing a dialog box that doesn't show up in the dock

There's lots of information out there about how to kill an application that's not responding. But what if I just have some dialog box that isn't clearly associated with any running application? In ...
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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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1answer
3k views

How Often Does Total 'Data Received' Reset in Activity Monitor? [duplicate]

How often does "Data Received" and "Data Sent" reset in the activity monitor pane shown below: Nothing I can think of (daily, since last restart, all time, etc.) seems correct given the numbers I'm ...
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2answers
4k views

What is “ss_conn_service ” running on OS X?

I'm using OS X El Capitan on iMac 21.5". As an experienced user, I follow activity monitor sometimes for security of my device. For 2-3 days,"ss_conn_service" is running on my device. I cannot ...
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1answer
115 views
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1answer
1k 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....
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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 ...
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1answer
21k 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 ...
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1answer
434 views

Increase Activity monitor update frequency to less than a second

I want to use the "CPU history" to monitor how some program uses the CPU, but the update frequency of "very often (1 sec)" is not fast enough for me. The changes I want to observe happen in less than ...
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8answers
91k 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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1answer
168 views

Low Battery Performance - Activity Monitor Shows Faults in CPU statistics

My Macbook battery (I guess batteries is the more correct term in this new Macbook) isn't getting battery life as estimated by specs, and it is already lessened in only about 2 months. Today, I ran a ...
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1answer
56 views

ImageIdentify.com in running processes

Looking at ActivityMonitor, I saw a strange process with a URL for a name: I went to that site, and yes it looks familiar I might have been there, once, a long time ago. Definitely not at the time ...
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1answer
706 views

Super high network usage OS X Yosemite

I've been monitoring Activity Monitor on my Macbook air running Yosemite for a month or two now and I've noticed my network data usage is pretty high (this is what I think). I usually reboot my ...
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2answers
32k 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 ...
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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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1answer
855 views

Why is search in Activity Monitor disabled?

The search on my activity monitor app is disabled/grayed out. I can't figure out how to enable it. Any help would be appreciated. Thanks! ps: mac noob here, be gentle please! :)
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1answer
2k views

Why is htop producing different reports than Activity Monitor?

I'm using htop on my Mac. I put it side by side with Activity Monitor, but the reports are widely different. On Activity Monitor, I can get finder using up to 100% of CPU, while it doesn't show at ...
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1answer
789 views

Yosemite Activity Monitor: '% CPU' column blank for certain processes (clang compiler)

I have been a bit confused recently when installing some software updates using MacPorts. Some of the packages required compilation, and as expected the CPU usage (and fans) went up, as indicated in ...
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2answers
110 views

Is firefox hiding from the energy monitor?

Since Firefox 38, it is no longer showing in the activity monitor in the energy tab, are other people experiencing this? How can a process hide from the energy monitor in the first place? I think ...
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6answers
167k 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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1answer
360 views

Process running for several minutes in Sleep mode

My Mac OS is OS X Yosemite (Version 10.10.2). Normally I put the mac in Sleep mode before going to bed, and I realize very often that the machine starts to run in the night just for several minutes ...
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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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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, ...
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1answer
356 views

Strange Process in Activity Monitor. Unable to search online

I (somewhat) recently did a fresh install, and the system was feeling a bit sluggish after installing Chrome and some extensions so I checked the Activity Monitor and found the below process. Anyone ...
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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 ...