How to get CPU usage in the app?
Is there any api that can get CPU usage through the code in an iphone app, thanks.
Maybe you could use getloadavg():
double la[3];
getloadavg(la, 3);
NSLog(@"%f - %f - %f", la[0], la[1], la[2]);
Similar Messages
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How to get memory usage of the JVM...
Hi,
I want to know the total amoutn of memory used by the JVM, while I am doing some particular transaction over my web application.
One way is to use the methods in java.lang.Runtime. But the output seems to be fluctuating to a significant extent.
Is there an alternative way to accomplish the same.
TIA,
Basu.Complie with the setting -verbose:gc,
whenever the GC runs, it prints out the acutal amount of mem originally used, the amount used after GC and the JVM mem usage. -
I have a verizon IPhone and i can't figure out how to get my ringtones from the app to iTunes, my account doesn't have a ringtone section in the liRingtone Folder?brary, how do you enable the ringtone folder?
Edit > Preferences. Select the check box for Ringtones, this will add them to the listing in iTunes.
Not sure that really answers your question though. -
Does anybody knows how to get CPU Usage from AIR?
I got it by Native Process listening to a Console Executable that gets info from WMI, but this process consume 25% from my CPU!!!
Any help will be welcome.You can use >sar<
Usage:
$sar 2 10
where 2 means it will check cpu usage every 2 seconds and 10 means it will check the CPU usage 10 times.
So this query will run for 20 seconds......
and if you want to see the CPU usage at a particular time by different ORACLE modules like buffer gets, physical reads etc...... then run statspack it will show all the details -
How can I get into updates in the app store on my ipod touch. I am told that it cannot connect to the itunes store, How can I get into updates in the app store on my ipod touch. I am told that it cannot connect to the itunes store
See thes previous discussions:
App Store Updates (but only Updates)...: Apple Support Communities
Apps suddenly don't update: Apple Support Communities -
how do i delete from the startup disk? I am trying to get Mountain Lion from the App store and it says that the purchase was not complete because i need 4.06 GB space to download OS x 10.8. and to remove items from my startup disk to increase space. How?
ThanksYou can use iCloud with 10.7.5. You do not need to upgrade to Yosemite. You should provide a minimum of 15 GBs of free space or 10% of the hard drive's capacity, whichever is greater.
Freeing Up Space on The Hard Drive
1. See Lion/Mountain Lion/Mavericks' Storage Display.
2. You can remove data from your Home folder except for the /Home/Library/ folder.
3. Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive.
4. Also see Freeing space on your Mac OS X startup disk.
5. See Where did my Disk Space go?.
6. See The Storage Display.
You must Empty the Trash in order to recover the space they occupied on the hard drive.
You should consider replacing the drive with a larger one. Check out OWC for drives, tutorials, and toolkits.
Try using OmniDiskSweeper 1.8 or GrandPerspective to search your drive for large files and where they are located. -
My 4 yr old accidently made a purchase of 69.99 on iTunes. How can I get a refund of the app and uninstall
Contact iTunes store support and request for a refund:
http://www.apple.com/support/itunes/contact/
They may also need your order numbers so it's best you get them ready.
You can find your order numbers on your email receipts and in your Purchase History. If you need to review your Purchase History, follow the steps in this article:
http://support.apple.com/kb/HT2727
Hope this helps. =D -
How do a get a record of the apps I have downloaded
How do a get a record of the apps I have downloaded
You can view the apps that are still available in your country's app store via the Purchased tab in the App Store app on your phone.
If you want to view your account's purchase history then log into your account on your computer's iTunes via the Store > View Account menu option, you should then see a Purchase History section with a 'see all' link to the right of it. Click on that and you should then see a list of your purchases. That should show free as well as paid-for items. On your phone you can view the last 90 days purchases via http://reportaproblem.apple.com.
You can't view a list of actual downloads (e.g. you can't view how many times, and when, you've downloaded a particular app), only what you've purchased (included free items). -
ive changed my email on itunes and apple and att but my app store still shows my old id so it doesnt recognize me to add new apps...any clues how to get it changed on the phone
Firstly, you need to change your details with Apple, Start here, change your country if necessary and go to manage your account. You may have already done this.
In order to change your Apple ID or password for your iCloud account on your iOS device, you need to delete the account from your iOS device first, then add it back using your updated details. (Settings > iCloud, scroll down and hit "Delete Account")
Providing you are simply updating your existing details and not changing to another account, when you delete your account, all the data that is synced with iCloud will also be deleted from the device (but not from iCloud), but will be synced back to your device when you login again.
In order to change your Apple ID or password for your iCloud account on your computer, you need to sign out of the account from your computer first, then sign back in using your updated details. (System Preferences > iCloud, click the sign out button)
In order to change your Apple ID or password for your iTunes account on your iOS device, you need to sign out from your iOS device first, then sign back in using your updated details. (Settings > iTunes & App store, scroll down and tap your ID)
If you are using iMessages or FaceTime, you will also need to log out and into your ID there too. -
this is about an app that i use, not one i am developing, i am just trying to see if i can help out the developer or see if he has really tried 'everything' to optimize the app. This app does some heavy duty signal processing, it receives a very high speed
usb data stream from a custom device, it uses about as much of the usb 2.0 bandwidth as it can passing in pre-processed spectrum sampes. Then the computer side app takes that and does more processing to find and extract the data that it is supposed to work
on. I am running it on a win8x64, I7 box with one socket, 4 cores, virtualization enabled, and 8 logical processors, 8gb ram and nothing else doing anything significant... the app only takes about 50% of the cpu time even though it is not finishing processing
one block of data before the next arrives, this results in it automatically cutting back on the data decoders to process fewer signals until it can complete the processing before the next data arrives. I am watching the cpu usage in the task manager
or the resource monitor or the performance monitor and see about the same thing, but i suspect that the cpu is actually busier than those are showing, for instance if i show the kernal time in the task manager it seems to be hanging about 25%, does that
account for receiving the usb data and putting it in memory? or would that be done by hardware and not require cpu cycles?? is there any way to monitor background activity that might be using the rest of the cpu time? the developer says
he tried all sorts of things to get higher cpu usage but couldn't get it much higher, even if running the threads in real time priority. are there any unusual pitfalls or built in limitiations??Well you are asking us to do the dev's job while you don't even know what the job is. If the dev needs help (a big if, it seems the dev knows what he/she is doing) then the dev can ask here with specific goals (e.g. what part of program can be paralleled
to utilize idle CPUs), with details about the architecture of the program (which you don't have).
Also such rewriting comes with risks of breaking stuff that are already working besides labor cost. The dev may decide it is not worth the rewriting if the cost is too high compared
benefits to the user, just saying.
Visual C++ MVP -
How to monitor CPU usage and performance on a Hyper-V server with several VM's
I have a server that is running Windows 2008 64 bit Hyper-V, with 8 gigs of RAM and Intel Xeon X3440 @ 2.53 Ghz, which gives me 8 logical cores in the performance monitor on the host system.
I have set up three Virtual Machines, all running Windows 2008 32 bit.
Build server, running Team City
Staging server
SQL Server, running SQL Server 2005
I have some troubles with the setup in that the host monitor remains responsive at all times, even though the VM's are seemingly working at 100% cpu and are very sluggish and unresponsive. (I have asked a separate question about that.)
So the question here is: What is the best way to monitor how the physical CPU's are actually utilized? The reason I am asking is that I am being told that i cannot reliably use the task manager to monitor CPU usage in a VM.First, you have to remember that in Hyper-V that the "host" is called a parent partition and it really just like a virtualized guest with special permissions and roles. Just like any other child/guest, when you open up Task Manager, you can not see the CPU
usage of the other children on the server.
Ben Armstrong has a good explanation of this here:http://blogs.msdn.com/virtual_pc_guy/archive/2008/02/28/hyper-v-virtual-machine-cpu-usage-and-task-manager.aspx
To summarize his post, you need to check three things to get an accurate picture of CPU utilization:
View the CPU usage on each guest - this is available through Hyper-V Manager or Performance Monitor.
CPU usage due to context switching - this is the perfmon counter called % Hypervisor Run Timeunder Hyper-V Hypervisor Virtual Processor
Child partition worker process - vmwp.exe running on the parent partition (1 per child). This handles Hyper-V operations like saving
state. -
Why doesn't the additional 500mb data I bought the other day not show up under usage on the app?
I needed more data temporarily. The rep on the phone said she added it and deducted $5 from my balance. But when I check my usage on the app, it still says 2 GB. I called the phone number but can't figure out how to get through to a human.
seblife,
Making sure your plan is correct is definitely a priority for us and we will help with getting this taken care of. Do you have prepaid service or post pay?
CandiceH_VZW
Follow us on Twitter at @VZWSupport -
I am extremely upset. I purchased my iPad in SA and now I am in Greece. I cannot download free apps as I get a message that the apps are not available in the SA store and only in US stores. When I change to the US store the same thing happens. What is the point of having an iPad if I cannot use it worldwide??? I feel that I wasted my money purchasing it as I specifically purchased it to use when I travel. How can I get access to all the available apps and why are they restricted.
You can use your iPad worldwide. However, each AppleID is tied to
a specific country's store. To use the AppStore in any country, you
must be in that country and have a credit/debit card issued by a financial
institution in that country with a verified billing address in that country.
It is the developer's choice which AppStores he makes his app available
from, and some countries prohibit certain apps.
To make a purchase from the US store (including downloading a free app
available in the US store), you must be in the US and have card issued
in the US with verified billing address in the US.
You can use your purchases from the SA store worldwide, but you
cannot make purchases in other than the SA store unless you meet
the aforesaid conditions. -
HT2534 how do i use itunes and the app store without any credit card or gift card?
i just got my iphone and i used to use itunes all the time before when downloading all songs were completly free, how do i use itunes and the app store to find free stuff to download without having to add a credit card or gift card with my account?
Create a NEW account/ID for her using these instructions. Make sure you follow the instructions. Many do not and if you do not you will not get the None option. You must use an email address that you have not used with Apple before. Make sure you specify a birthdate that results in being at least 13 years old
Creating an iTunes Store, App Store, iBookstore, and Mac App Store account without a credit card
More details of how:
http://ipadhelp.com/ipad-help-tips-tricks/how-to-get-free-apps-from-the-app-stor e-without-a-credit-card/ -
How to get boot camp in the emac
how to get boot camp in the emac
Furthermore, eMacs can only emulate the Windows environment, whereas Intel CPU Macs including the iMac you have running 10.6.8 can virtualize Windows. Emulation is a poor man's solution, because software is used to replace functions that normally take place with hardware. You can use the iMac to do any data conversion before it gets sent back to the eMac over a network. See my FAQ* regarding Windows on the Mac:
http://www.macmaps.com/macosxnative.html#WINTEL
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