IMac :: Wrong CPU Idle Percentage In Activity Monitor
Feb 13, 2010
I have a new, week 7, 27" iMac with 2.8 quad core CPU. Activity Monitor shows the "% idle" number jumping anywhere from 49% to 99% (but usually stays around 49%), when I'm actually 99% idle. The "% user" and "% system" numbers are less than 1% when the computer is idle. They just don't add up to 100%. Does anyone else see this? The left top of the computer is hotter than any computer I have had before. This is the third computer that Apple has sent with this problem. Apple Care just says to send it back.
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Jan 13, 2010
I have a 2.66 quad core 2009 Mac Pro. Running 10.6.2. I see weird behavior in the Activity Monitor. The "% idle" number jumps from 49% to 61% to 99% (but usually stays around 49%), when I'm actually 99% idle. The "% user" and "% system" just don't add up to "% idle." Does anyone else see this? I'm wondering if it has anything to do with the RAM I just installed, or if this is a coincidence.
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Mar 11, 2009
I have a steady stream of spikes in my network tab of activity monitor despite being idle on the internet, not browsing any pages or downloading anything. Does this mean I am being hacked?
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Mar 5, 2012
I'm using a 2009 model MacBook with 4GB of RAM and a 2.4 GHz Core 2 Duo Processor. I've been having issues for quite a while now where even with just ONE program active, it will often lag, slow WAY down, or even flat out crash. Upon further inspection in the Activity Monitor, I discovered that the vast majority of the computer's memory -- at least 80% and up -- is marked as idle.
First: What does this mean?
Second: Is there any thing that can be done about the stated issues?
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Dec 11, 2010
According to the screenshot, both Users (green) and System (red) uses 0,19% CPU each. Which means that idle (black) should be around 99%, which it clearly isn't. If I check each process individually, none is using more than 1% of CPU. The screenshot is taken after a reboot and I don't use and third-party background services like VMWare. It's Mac Pro 2.66 Quad (2009).
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Jun 28, 2009
I noticed that something was running in the background when I . I checked activity monitor to see what was running and saw that a process named "Find" user name "Nobody" was running. It disappeared before I could inspect it. Does anybody know what process this is and what application may be running it? I'm now paranoid!
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Jan 10, 2011
I'm not sure if this is cause for concern but it seems like my "free" memory has been really low as of late.
I use Safari and Mail 90% of the time. The other 10% is occasional iTunes use, MPlayer use, and Preview use. Is it time for me to upgrade to 4 GB of RAM?
Note - I do use the following extensions in Safari: AdBlock and YouTube5.
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Apr 3, 2009
I installed Leopard from an OS disk I purchased to upgrade from Tiger. I just went to launch Activity Monitor and it is not there? I checked Applications and Utilities. From what I read it seems that Leopard should have activity monitor.
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Sep 18, 2009
So maybe what I am looking for is in the activity monitor, but I just can't find it. I always see people on here posting screen shots of their CPU usage. If they have a quad core machine then there are four columns with blue in it showing the usage. Where can I find this in OS X, or is this a 3rd party program?
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Nov 5, 2009
Im running SL (updated of course) on my MacBook Pro 4,1. Im fairly new to Macs and to be honest I didnt even know about Activity Monitor till very recently. So I figured I would check out whats going on with my system and fire it up. Activity Monitor does not respond. It starts to open but then sits at this screen with a beach ball...
After a while I usually just Force Quit. Ive ran Onyx recently as well as Disk Repair and everything seems ok.
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Nov 26, 2010
A while back I installed an application that allowed me to stream media from my Mac to my PS3, called Gridcast. It didn't work well, so I got rid of it. Since then I have had two processes constantly running, "gridcastd" & "GridCastAlerts." When i select and quit the processes nothing happens, they just continues to run.
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Apr 4, 2009
Noticed a couple of processes in activity monitor I don't think I have seen before. Authorizationhos and ocspd. if they also have them or if they are supposed to be there and what they do?
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Jun 30, 2009
I've got the activity monitor open in front of me. There are the usual apps I can see, Logic, FF, iTunes, Finder, MS Messenger etc etc. Though there is a lot of other stuff, I don't know what it is (probably system stuff?). For instance there is configd, syslogd, mds, cron most of these have root inb the server column. In the User column for my name I can see mdworker, pboard, launchd and couple of others.
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Jul 26, 2009
I have recently tried changing the Activity Monitor Icon by using Candybar, for some reason Candybar does not have a Activity monitor in the menu. I have than went to Activity monitor application which is on the desktop and clicked on " show package contents" + "resources" and dragged the original activity monitor icon to a random folder and dragged a new icon into the resources folder. I logged out and logged back in and now the icon did now show up, there is a application icon now.
I have dragged the new icon out and put the old one back in the folder to see if it would go back to its original icon and now it does not go back to how it was in the first place, so pretty much no icon exists but only a application icon shows but the program does open up. Another thing I dont understand is why I could not see a Activity Monitor Icon in the CandyBar program, I am not sure how to change the Icon or how people change it or why they have modified activity monitor icons is you cant change it.
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Sep 15, 2009
Using SL. I installed iStat and it reports less "wired memory" being used than Activity Monitor. Right now iStat reports: 449MB wired, 515MB active, 364MB inactive and 2.45 GB free. Activity Monitor reports: 706MB wired, 515 MB active, 364MB inactive and 2.45 GB free. Also, our school macs are at a whopping 100MB wired, whereas I'm always above 500MB.
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Dec 16, 2009
The computer, Mac 10.4 Tiger, sent a message that my Startup drive is almost full. I tried to do the best to make more space available and inadvertently must have done something to the files of the Activity monitor. The next morning when I turned the computer on, it went up in smoke, i.e., disappeared and cannot be found in 'applications'.
Do I have to reinstall? Can I reinstall just for the Activity Monitor or ?
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May 9, 2010
Was wondering if keeping activity monitor running will slow down the system overall?
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Jul 13, 2010
for some reason when i double click a youtube file in the activity thing, it downloads fine and is a .flv i can play using vlc.
But when i try the same with a HD video, it doesnt work, it just loads the video in another webpage, how do i download them.
I am using safari 5.
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Feb 20, 2012
on Activity Monitor, why am i seeing two CVMCompiler?under kind, one of them says "Intel(64 bit)"and the other one just says "Intel" and i am only seeing one CVMCompiler on my other computer?
Info:
MacBook Pro
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Apr 28, 2012
I keep hearing about this Malware so I went on the Apple site and got the directions for removing it. It suggested looking for MacDefender or MacSecurity. I didn't have anything like that in my Activity Monitor. Can I assume my computer was never affec
Info:
iMac, Mac OS X (10.4.11)
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Nov 19, 2009
I leave the Acitvity Monitor running all the time with my CPU Usage as the dock icon. I like to see the cores working away. On my Quad MacPro at work I have four blue bars, on my old iMac C2D, MacBook etc. I have two bars. On my new i7 QC iMac I am only getting one bar. Any body have any thoughts on why this is? Has Apple changed the way the icon shows cores? Here is a link to a photo of my current dock on my i7. Current Dock Icon on i7 Quad Core
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Sep 22, 2010
repeated disk access in my 2010 Mac Pro, even when it's otherwise idle. Activity Monitor shows no unusual processes, and I've disabled Spotlight indexing.
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Jan 1, 2011
I just found a 'hidden' process running in Activity Monitor. If it weren't for the indication of 64 bit under virtual memory, I wouldn't have noticed anything. This is the first time that I've ever seen a 64 bit process running with root privileges. On top of that, it's hidden. Whenever I try to quit or even force quit it, it comes back. Should I be concerned? I'm little worried right now. This wouldn't have any relation to the sudden loss of several fonts that occurred a few days ago, would it? (I lost Century Gothic)
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Nov 29, 2008
I just woke up my MacBook Pro, and the HD sounded like there was something going on. It wasn't the indexing, so I opened up Activity Monitor and found something taking 10-30% CPU called "find". It was under several instances of "sh", and I think it's first parent was "locate.code" or something like that. Anyway, after a while I opened Activity Monitor again, and the "find" process was replaced by something called "makewhatis". It disappeared almost a second after I opened Activity Monitor. Obviously it's just part of the system, but what exactly do these processes do?
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Mar 16, 2009
What is "WindowServer" in Activity Monitor?? I actually have a few things I dont know what they are.
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Sep 17, 2009
I was checking out my Activity Monitor the other day and I have noticed this before. I have 4GB in my MacBook Pro and updated to SL and now AM is only showing that I have 3.75GB. I figured maybe it was just an error and I have shut my MBP off and it still hasn't changed.
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Nov 12, 2009
Is there a way to gather all the information that we can find in the Activity Monitor (cpu, memory, open file-descriptors for each process) via the Terminal? In fact, I am looking for a procfs (/proc) equivalent.
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Mar 21, 2010
I just bought an iMac 27" 4 cores, the one with the Intel i5. Sadly, this computer feels like my first iMac in terms of speed - it is sluggish and the reason for this is that the hard drive is being thrashed excessively. By using iStat Menus, I can clearly see that the disk is being constantly read, constantly at 3 MB/s, which is insane since I am not copying anything: I thought the culprit was Spotlight, so I turned off indexing on my main HD and the problem still persists. I cannot find one utility out there that will let me know what process is beating the crap out of my hard drive. Is there such thing for OS X? Something like Windows 7 resource monitor is exactly what I am looking for.
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Oct 19, 2009
In my activity monitor I am showing 2 automounts. One shows a process ID 305, the other shows an ID of 308. Is this normal to have 2 automounts?
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Feb 20, 2012
I use a macbook 13in and run lion. Last night, I checked out the activity monitor and there were programs/files(?) I didn't recognize. I understand that some of these are important and quitting them may cause problems. How do I know what programs I can quit?
Info:
MacBook, Mac OS X (10.7.3)
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