Activity monitor shows Logic CPU use @ 100% randomly

I'm running a light session (6 audio, 2 instruments) and after I initiate playback, the rainbow ball appears and the activity monitor shows high CPU activity. The problem seems to occur particularly if I click anywhere in the arrange window while playing. Any ideas?

unresolved, isolated condition

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Open Activity Monitor, Show:>All Processes, sort on CPU%, see if anything using too much CPU% when this happens, click on Memory tab, do you have many Pageouts?
Open Console in Utilities & see if there are any clues or repeating messages when this happens.
Check the S.M.A.R.T. status of the drive in Disk Utilty by highlighting the Drive & looking at the bottom of the window.

Why dose my activity monitor say I'm using more in tasks then in total?

Why dose my activity monitor say I'm using more in tasks then in total?
see how Guild Wars 2 uses 92.8% yet the total use is 12.03%, 86.54% is idle and the system is using 1.4% why is this?

Cortess,
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Why does Activity Monitor show traffic to my external drive?

Because one of my email accounts was hacked a couple of months ago (from my provider's end, I'm convinced), I have been monitoring network usage on my iMac using Activity Monitor. Yesterday, I noticed almost continuous use, altho "spiky". The spikes were very regular and high and just kept going on and on. I shut down all my apps (including mail, browser, etc.) except Photoshop. Spikes still there. Pulled out the Ethernet cord. Spikes still there. Shut down blue tooth, wi-fi - spikes still there. Overnight, I shut down my computer. This a.m. when I powered up, still spikes. I noticed Time Machine was running. Stopped it, and spikes stopped. I have my back up on a separate external hard drive. Why in the world would Activity Monitor show this as "network activity"? Is there any way I can use settings that would show only "real" network activity, from outside my wi-fi, blue-tooth, and external drives? Spiky right now (can't get screen shot to upload), but more irregular. Have browser, email,and others open. Time Machine not running.
Maybe there's some other app that would help me watch my network usage in the way I would like. Please recommend. Thx!

https://discussions.apple.com/thread/3045965

My activity monitor shows 24 lines of cpus.

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I thought that was possible but appreciate the validation.
What originally caught my eye was that only every other line in the activity monitor showed any activity. So I ran the hardware diagnostics to see if there was anything amiss. No problems were found. So it looks like the hyperthreading is not being used, but all the cores do participate to some extent.
I was involved in the signal processor industry in the 80s when the use of multiple processors was really getting going. Our system was synchronous, but even so, required a lot of planning to use efficiently. My work is mainly finite element analysis, Monte Carlo simulation and image processing, all of which can be programmed in parallel, so I expect to benefit from it at some point. So far 20-35% that you note is pretty accurate.

Activity Monitor shows wrong disk usage

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See:
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Here's the instructions for SyncMate: http://wiki.eltima.com/user-guides/syncmate-mac-os/uninstall.html
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Thunder bird is deleting my emails shortly after they arrive. The activity monitor shows they are deleted. I cant find a way to stiop it.

As stated, the emails disappear even as I watch. I have no filters set to delete and also I thought deleted emails went into the trash but they are not.

''christ1 [[#answer-724471|said]]''
<blockquote>
<blockquote>
The activity monitor shows they are deleted.
</blockquote>
What exactly does the Activity Monitor show?
Can you post a screenshot?
http://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
</blockquote>
''Gnospen [[#answer-724436|said]]''
<blockquote>
In tools/account-settings/server-settings do you move or delete deleted mail immediately?
In account-settings/ junk settings what you do there?
In ''global junk preference'' (button) or ''tools/option/security/ junk'' do you '''move''' or''' delete''' marked junk?
You might need to reset your training data for adaptive junk
</blockquote>
''Gnospen [[#answer-724436|said]]''
<blockquote>
In tools/account-settings/server-settings do you move or delete deleted mail immediately?
In account-settings/ junk settings what you do there?
In ''global junk preference'' (button) or ''tools/option/security/ junk'' do you '''move''' or''' delete''' marked junk?
You might need to reset your training data for adaptive junk
</blockquote>
In that setting I have not enabled the adaptive junk mail controls, the square is unticked. Similarly the global junk preferences.

Activity monitor shows wrong disc space

why does activity monitor shows wrong disc space after delating items still look as if they are there

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Where did my Disk Space go?
What are Local Snapshots?

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Data sent is termed uploading. Data received is termed downloading. So no, you're not streaming it.
There are a lot of processes running on your Mac at the same time, many of which need to connect to the Internet to maintain a connection, check for data, etc. So it will send out a small amount of data, and receive some as well all the time. The amount of data transferred is usually very small, and you don't need to worry about it.

IMac using 100% of the CPU, but no processes in Activity Monitor show usage over 3%. What's going on?

This iMac is about 5 years old. It has the 2GHz Intel Core 2 Duo processors, 2GB RAM, and is running 10.8.5. After rebooting the machine, CPU usage is low. After about 30 seconds, when using Activity Monitor, CPU usage bumps up to 100% and stays there without budging. When viewing the CPU tab near the botom, % User is about 95+%, and % System makes up the other 5%. They change slightly every second. The problem is, if I sort my Processes by % CPU, the largest user is Activity Monitor with around 2.3%. Everything else is at 0.0%. So there's something weird going on causing the CPU to max out and run hot, but I can't figure out what's causing it. Checking for applications to force quit doesn't show any issues, and repairing permissions doesn't do anything. Is there any way to figure out what's going on? I read about how to reset the System Management Controller, is this something I should do? Thank you for ANY help, it's driving me crazy!
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Be certain to check that you are viewing "All Processes" as opposed to "My Processes"

Activity monitor showing iOS process CPU load?

Twice in the past two weeks my iPhone 4s (running latest 7.1.1) suddenly became very warm, and its battery went down rapidly even when on standby. If I plugged it in, it got even warmer and it charged very slowly.
In each case I was eventually able to recover, by stopping all apps, putting the phone in airplane mode, doing a couple of full restarts, and (this seemed to be important) turning the phone off completely until it cooled down completely. Because I did several things almost at once, I can't be sure which ones were effective.
This could be a hardware issue with the battery. The fact that turning the phone off completely seemed to be an essential part of the cure suggests that. It could also be a hardware issue related to network communication, cured by Airplane Mode.
It could also be related to beta software that I was running, though that software was not active either time. The testing profile was installed though, and could have been involved. After the second incident I removed the profile as a precaution (fortunately the GA version of the software had just come out).
To help track down the cause, if it happens again, I would like to find an iOS equivalent of Activity Monitor on my Mac. I've installed several free system status apps and I have read the description of several paid ones. The ones I have tried give me a list of running processes with their priorities, and total CPU load, but so far I have not found one that shows which processes are the CPU hogs. Maybe one of the paid ones does that, but their descriptions don't claim that feature. It t doesn't make sense to spend money without getting the feature I need. If it is a software issue, looking at total CPU load while starting and stopping apps may not be a good diagnostic since the culprit could be a background or system process.
Any suggestions?

And a process that is capable of running multiple threads of execution, can concurrently use more than 1 CPU, and thus consume greater than 100% of 1 CPU.

Activity monitor shows Logic CPU use @ 100% randomly

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