iphone Programming Glossary: instrument
What does the Tiler Utilization statistic mean in the iPhone OpenGL ES instrument? http://stackoverflow.com/questions/1287811/what-does-the-tiler-utilization-statistic-mean-in-the-iphone-opengl-es-instrumen does the Tiler Utilization statistic mean in the iPhone OpenGL ES instrument I have been trying to perform some OpenGL ES performance optimizations in an attempt to boost the number of triangles per.. on them. Does someone have a good description of what this and the other statistics in the iPhone OpenGL ES instrument stand for I know that the PowerVR MBX Lite in the iPhone 3G is a tile based deferred renderer but I'm not sure what the.. benchmark every time you load a new molecular structure and outputs the triangles s to the console. iphone opengl es instruments share improve this question The Tiler Utilization and Renderer Utilization percentages measure the duty cycle of the..
How to run iPhone program with Zombies instrument? http://stackoverflow.com/questions/1417782/how-to-run-iphone-program-with-zombies-instrument to run iPhone program with Zombies instrument I'm running XCode 3.2 on Snow Leopard and I'm trying to run the Zombies instrument against my app but the selection is.. to run iPhone program with Zombies instrument I'm running XCode 3.2 on Snow Leopard and I'm trying to run the Zombies instrument against my app but the selection is grayed out and I don't know why. I know about the NSZombieEnabled environment variable... Leopard with the previous version of XCode. Here is a screenshot of what my menu looks like iphone objective c xcode instruments share improve this question You need to launch the Instruments application with the Zombies instrument from outside..
AurioTouch & FFT for an instrument tuner http://stackoverflow.com/questions/1447059/auriotouch-fft-for-an-instrument-tuner FFT for an instrument tuner I'm trying to write a simple tuner no not to make yet another tuner app and am looking at the AurioTouch sample source.. doesn't seem to actually work very well when looking at the frequency domain graph. I play a single note on an instrument and I don't see a nicely ordered small set of frequencies with one string peak at the appropriate frequency of the note...
IPHONE: Analyzing leaks with instruments http://stackoverflow.com/questions/1634067/iphone-analyzing-leaks-with-instruments Analyzing leaks with instruments I am trying to locate leaks using instruments but the leaks I see there are like the ones in the next picture leaks As.. Analyzing leaks with instruments I am trying to locate leaks using instruments but the leaks I see there are like the ones in the next picture leaks As you can see there's no information of which line.. discover that thanks for any help. iphone iphone sdk 3.0 share improve this question I think you want to go into instruments after running under leak and select Source View . Then you need to drag your source files into the instrument window. It..
Low memory with 640Kb of live bytes? http://stackoverflow.com/questions/2865786/low-memory-with-640kb-of-live-bytes 285 launchd a5988245aade809bf77576f1d9de42c5 71 End iphone memory share improve this question The ObjectAlloc instrument does not display the full memory usage of your application particularly if you have a lot of user interface elements that.. For a more accurate reading of your application's total memory footprint at any given time use the Memory Monitor instrument instead. You will see that your application is indeed exceeding the memory threshold on the device.'' You can add the Memory.. see that your application is indeed exceeding the memory threshold on the device.'' You can add the Memory Monitor instrument by clicking on the Library button of the toolbar in Instruments. A list of all the available instruments appears and you..
UIWebView memory management http://stackoverflow.com/questions/2950907/uiwebview-memory-management while loading content from my server. Some of these UIWebViews are quite large and have a lot of pictures. If I use instruments to detect leaks I do not detect any. However lots of objects are allocated and I suspect that has to do with the UIWebViews... that not all memory is released. I mean after a request to my server the app creates an UITableView and many webviews instruments say about 8Mb . When user tap back all of them are released but memory usage only decrements about 2 3 Mb and after 5 10.. in memory. SO aside from the memory used to load the images and other data the stuff you see in the Allocations instrument the web view itself uses memory when it's rendered that you have no control over. So for example a 768x1024 webview with..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata any practical difference and if so which one is 'better' I have tried profiling my app using the Object Allocation instrument and I can't see any practical difference though I have only tried in the simulator and not on an iPhone itself. iphone..
Can the UI Automation instrument be run from the command line? http://stackoverflow.com/questions/4191945/can-the-ui-automation-instrument-be-run-from-the-command-line the UI Automation instrument be run from the command line Is there a way to open the UIAutomation instrument through the terminal Will it be possible.. the UI Automation instrument be run from the command line Is there a way to open the UIAutomation instrument through the terminal Will it be possible to write an AppleScript to open Apple's UIAutomation tool and load the application.. we can open UIAutomation and select the app to be tested as well as select the test script iphone xcode applescript instruments ios ui automation share improve this question The following command worked for me taken from http lemonjar.com blog..
Memory usage grows with CTFontCreateWithName and CTFramesetterRef http://stackoverflow.com/questions/8491841/memory-usage-grows-with-ctfontcreatewithname-and-ctframesetterref it is allocated but not where the extra retain comes from. To that turn on Record reference counts in the Allocations instrument and re run the test. This will allow you to inspect the backtraces of every retain release call on the offending object...
How do I verify reference count in ARC mode? http://stackoverflow.com/questions/8863269/how-do-i-verify-reference-count-in-arc-mode need to understand where an object is being retained and released check out this answer for help using the Allocations instrument. However the retain count can be used to learn about the implementation of some classes. Only do this for entertainment..
GMail won't open .txt attachment created by iPhone App, Depending on Size - I think There's a Bug in my MIME http://stackoverflow.com/questions/1114815/gmail-wont-open-txt-attachment-created-by-iphone-app-depending-on-size-i-th @ smtp3.webfaction.com testMsg.requiresAuth YES testMsg.login @ andrewljohnson testMsg.pass @ testMsg.subject @ iPhone Instrument Readings testMsg.wantsSecure YES smtp.gmail.com doesn't work without TLS testMsg.delegate self NSDictionary plainPart NSDictionary..
Understanding the Instrument for memory leak checking - iPhone http://stackoverflow.com/questions/1329535/understanding-the-instrument-for-memory-leak-checking-iphone the Instrument for memory leak checking iPhone Above given images is of my application leaks. Here I want to understand that in Extended.. How Why it is suggested that you wait in a view up to 10 or more seconds if there is a leak leak will be detected by Instruments iphone memory leaks instruments share improve this question Ignore the colors in that one the DashBoard viewDidLoad.. gone. Why it is suggested that you wait in a view up to 10 or more seconds if there is a leak leak will be detected by Instruments Because instruments works by sampling memory every so often so it might take a little bit for instruments to get around..
Advice on speeding up OpenGL ES 1.1 on the iPhone http://stackoverflow.com/questions/1844765/advice-on-speeding-up-opengl-es-1-1-on-the-iphone are 64x64 pngs. There are 58 different textures. I have not run instruments. Update 2 After running the OpenGL ES Instrument on the iPhone 3G I found that my Tiler Utilization is in the 90 100 range and my Render Utilization is in the 30 range...
What do the colors and percentages mean in the Leaks Instrument? http://stackoverflow.com/questions/4283296/what-do-the-colors-and-percentages-mean-in-the-leaks-instrument do the colors and percentages mean in the Leaks Instrument I am debugging looking for memory leaks using Xcode for my small application. I use Leaks from Instruments. If there is.. the Leaks Instrument I am debugging looking for memory leaks using Xcode for my small application. I use Leaks from Instruments. If there is a leak I can click on a method name and I see source with marked place where the leak is. It is ok. However.. line with memory leak What does 10 80 100 mean iphone ios xcode instruments share improve this question From the Instruments user guide . Regarding your question no. 1 The Detail pane while it is in Table mode displays other useful information..
instruments with iOS: Why does Memory Monitor disagree with Allocations? http://stackoverflow.com/questions/5518918/instruments-with-ios-why-does-memory-monitor-disagree-with-allocations post after the year 2012 The memory really loaded into device's physical memory is the Resident Memory in VM Tracker Instrument. Allocation Instrument only marks the memory created by malloc NSObject alloc and some framework buffer for example decompressed.. The memory really loaded into device's physical memory is the Resident Memory in VM Tracker Instrument. Allocation Instrument only marks the memory created by malloc NSObject alloc and some framework buffer for example decompressed image bitmap is.. by malloc NSObject alloc and some framework buffer for example decompressed image bitmap is not included in Allocation Instrument but it always takes most of your memory. Please Watch WWDC 2012 Session 242 iOS App Performance Memory to get the information..
-[CALayer release]: message sent to deallocated instance http://stackoverflow.com/questions/7402171/calayer-release-message-sent-to-deallocated-instance calayer dealloc nszombie share improve this question Profile your application in the simulator with 'Zombies' Instrument. Run your app for a while and do whatever you have to do to make your app crash. When it does you will get a pop up like..
How to debug “message sent to deallocated instance” in Xcode4? http://stackoverflow.com/questions/8298946/how-to-debug-message-sent-to-deallocated-instance-in-xcode4 most but not all cases after the view faded out it crashed giving that weird CALayer retainCount message. The Zombies Instrument CMD I finally pointed out that it had to do with a button. Just didn't know why and where. Clang Static Analyzer didn't..
UIImageView/UIImage “Memory Tag 70” release timing when scrolling http://stackoverflow.com/questions/8754124/uiimageview-uiimage-memory-tag-70-release-timing-when-scrolling pageIndex 1 's images using NSOperationQueue FYI and remove all other UIImageViews. The memory usage reported from Instrument is acceptable with normal usage but I discover if I keep scrolling switching between 30 pages continously the Dirty memory..
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