Ask Question. Thanks; I discovered if you add -p pid to the command line you can stackshoot sic a single application to check for deadlocks therein. I'm on Then, synch your device with iTunes. I don't know where it is in Windows, but on a Mac it is in: Jay Imerman Jay Imerman 3, 5 30 This is also accessible using Activity monitor: Open Activity Monitor Double click your app Click the Sample button in the bottom left corner That will allow you to see what is currently happening in your app so that you can debug CPU usage issues without running the app from Xcode.
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Ben Baron Ben Baron Can I just get a stacktrace somehow? I installed a SSD drive about a year ago. I never did a fresh install. You think that could be the issue? David Anders Technician Commented: It could be sleeping, it could be hibernating. Hibernation files can become damaged. Turning off hibernation reliably when there are problems, often means terminal commands. Hibernation files are invisible. Grand Perspective will display them can have more than one and show the path. Sleep can fail due to broken or failing batteries - batteries have firmware that can confuse the Mac.
Macbook Pros thru have a known occasional failure of the hard drive cable, it this was the case, you would see symptoms more frequently than once a week. I'm going to do individual testing.
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So far, so good. There has not been a problem. If a problem happen then I'm going to create a new profile as Gerwin suggests.
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Well, this failed. I will create a new profile and test that out. I was able to capture the error.
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Watchdog Model: B0E, 4 processors, Intel Core i7, 2. Version 5. USB 2. Hub USB Device: USB 3. MacBook Pro, Apple Inc.
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What's that IR Receiver device? Any USB devices connected? You could use the remote to control iTunes to play videos and music. They've removed the functionality in newer systems around the time Retina screens, or just before, came out. Was the problem actually solved previously before your update to Sierra in the previous question when you still had El Captian? When did the problem start up again?
After Sierra was installed? You should always do these first with any Mac Hardware issues. It's one of the most frequent things I do that fixes most generic problems on a Mac. These 2 things are so quick to do, that you could almost do it every time you boot up. The SMC reset can solve some sleep issues. SMC Reset: Plug in Power. Turn off laptop. Press and hold left shift control option keys then press and hold the Power button for at least 5 seconds. Release all 4 keys. PRAM Reset: Turn off computer Turn on power Upon starting, Press and hold option command p r Wait until you hear the system chime 3 times.
Release the keys You may need to run an Apple Hardware Test, just to verify that nothing is broken. Turn of your computer. Turn on your computer. Press and hold d during startup until you see the Apple hardware test icon https: Do you have a lot of space left or are you running close to full?
If you're close to full, have you been getting warnings about running out of space? Unix systems are terrible with full disk space and will corrupt files by zeroing them out without warning when the disk is full. Windows is safer in that regard in that it just won't write the file.
I will try your recommendations tomorrow. Gerwin, I just can't seem to discipline myself well enough to keep using the other profile I created. I have so much going on all the time on my current profile that I'm just not interested in putting the effort to testing this out. Am I a bad person? Don't think you're a bad person ; I fully understand what you mean not being able to test the other profile. If you have some time, I'd be interested in the results. How about the issue itself?
Intervals still the same? Yes, in the past 24 hours the laptop hasn't even turned on when I open the lid. It appears to be powered on, but the login screen isn't appearing. I've had to hard boot hold the power button down times to get it to start up again. I should probably mention there are now two different kinds of errors The error that I posted recently happens every now and then, but nothing consistent.
No matter how powerful your machine is, it has limited system resources which are shared among all of the active processes. If the sum of all those tasks consumes more than the available resources, the whole system will be bogged down to a stop. To avoid this inconvenience, we can temporarily pause some of the background processes with lower priority to free up more power to complete the tasks that currently need to be done.
But since we know that the ones that we pause are actually important for keeping the system running smoothly, we can resume this process later after we complete more urgent affairs. Since there are literally hundreds of processes believe me, I counted them happening simultaneously at the same time, randomly pausing any item that you come across is definitely not an effective method.
The first thing we need to do is to find which operations take the most system resources, and select the ones you are not using. Now you should see all the active processes on the Activity Monitor screen. Doing this will put the most resource-hungry process at the top. The PID is the number you found in the previous step. Using the above example, if I want to pause Safari, I would type:.