Android :: SDK 2.0 Traceview In DDMS
Nov 20, 2009
I'm running the basic HelloActivity from the SDK 2. samples. When I try Trace view in the DDMS prespective its generate the trace file but can not opened. "'/sdcard/com.google.android.apps.uploader.trace': Permission denied". Do I need a permission to write in the SD card? 4:38.380: INFO/dalvikvm(10434): Debugger has detached; object registry had 1 entries 11-20 21:34:38.380: DEBUG/dalvikvm(10434): VM cleaning up 11-20 21:34:38.411: ERROR/AndroidRuntime(10434): ERROR: thread attach failed 11-20 21:34:38.466: DEBUG/VoiceDialerReceiver(1225): onReceive Intent { act=android.intent.action.PACKAGE_ADDED dat=package:com.example.android.helloactivity flg=0x20000000 cmp=com.android.voicedialer/.VoiceDialerReceiver (has extras) } 11-20 21:34:38.466: DEBUG/dalvikvm(10434): LinearAlloc 0x0 used 636716 of 5242880 (12%) 11-20 21:34:38.490: WARN/ResourceType(1015): Resources don't contain package for resource number 0x7f080000 11-20 21:34:38.490: WARN/ResourceType(1015): Resources don't contain package for resource number.....
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Jul 4, 2009
I tried to use traceview on a computer with a 64bit processor, the error I get is "architecture word width mismatch": I do use the 64bit version of Eclipse for development, I know SWT works on my computer. What do I need to do to make traceview work on my computer? For now, I copy the trace files to my laptop, which has a 32 bits architecture. android-sdk-linux_x86-1.5_r2/tools/lib/libswt-pi-gtk-3236.so: /home/ christine/java/android-sdk-linux_x86-1.5_r2/tools/lib/libswt-pi- gtk-3236.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch) at java.lang.ClassLoader$NativeLibrary.load(Native Method at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1767) at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1676).....
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Jun 15, 2009
I have been trying to use traceview for profiling my Android app. So far I have gotten it to work on very small parts of the program. If I use it for bigger chunks it creates too much information (.trace file is too large) and I get an OutOfMemory (heap memory) error from the java compiler. I tried some tricks with setting higher min and max heap memory values but no luck. If anyone has used traceview with similar effects before. I would highly appreciate any tips you may have. Here are the details. First I am reproducing the error message: $ traceview.bat tmp.trace Exception in thread "main" java.lang.OutOfMemoryError:.....
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Dec 10, 2009
We know that it's very convenient to use TraceView in Android java code to check the runtime of different chunks of code. Now I develop my app with NDK and I want to check the runtime of some native functions, but I found nothing in TraceView guide if it's possible to use this tool. Because I noticed that one of my native methods spent too much time and I want to dig out the more detailed root cause. Is there anybody know if we can use TraceView in native code?
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Mar 19, 2009
I am getting complaints about my app's performance and want to get to the bottom of it. I am not really sure how to use traceview for that. I'd like to sketch how I used it and maybe you can give me some advice what to to differently and what to look for in the traceview output. The case: I have a list activity that lists articles. When clicking on one of the articles another activity is started that shows the article itself. I measure from the moment onClick() is entered on the ListActivity until the moment onResume() is about to be left in the Show Article Activity. I have two cases that I measure: "Cold" means the app is running and the ListActivity is started, but the Show Article Activity has not been called yet. "Warm" means the same, but the Show Article Activity has been called before during the runtime of the app. Here are the traces:.......
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Sep 24, 2010
I'm usign starMethodTrace() and stopmethodTtrace() to get trace data to use on traceview. Everything seems to work fine. I test my app for 50 (real world) seconds having two important events after 15 and 45 seconds from start tracing. However, when analyzing the traceview's timeline I found the total tracetime is only 1.068,964 (msec). My two events are displayed as they were occurred at time 257,743 msec and 642,654 msec. This is just about 1 second of total execution time. Why there is this huge difference between real world time and trace view time? May be because I have a lot of idle time? Is there a way to relate the times displayed in the time line with real world time?
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Aug 17, 2010
I'm using traceview to identify bottlenecks in my app. If I use the emulator, everything works fine. But when the device is used, no matter how long I run the app, traceview only gets the initial 5 seconds of my session and nothing more. I also noticed an error message in the console: Traceview: (<unknown>:10301): GLib-WARNING **: g_set_prgname() called multiple times. Have you ever experienced this problem?
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Sep 24, 2009
I'm working with an OpenGL ES app in Android, but when I want to use traceview to profile my code, I always obtain the following error: ThreadData: 'android/XX/XX' call time (xxxxxxxx) is less than previous time (xxxxxxx) for thread '[3] main'. I've tried to call Debug.startMethodTracing() and stopMethodTracing() in different places of my code but it never works, anyone can help?
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Apr 3, 2009
Tried to trace for the first time but got the following exception when I started the "traceview" application with my trace file. mane@Labbe:/tmp$ traceview gldraw.trace Exception in thread "main" java.lang.RuntimeException: Method exit (java/lang/BootClassLoader.getInstance ()Ljava/lang/BootClassLoader;) does not match currentmethod (dalvik/system/VMDebug.startClassPrep () V) at com.android.traceview.ThreadData.exit(ThreadData.java:116) at com.android.traceview.ThreadData.handleCall(ThreadData.java: 78).....
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Aug 17, 2010
I'm calling Debug.startMethodTracing("fnord") and I'm getting a java.lang.RuntimeException: file open failed message. It looks like I'm supposed to have the android.permission.WRITE_EXTERNAL_STORAGE permission set. But how do you set that permission when you're debugging through Eclipse? Aren't permissions normally set at install time (which doesn't happen in a normal way when you're debugging)?
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Dec 16, 2009
I am trying to debug my device from a windows system with no IDE, just the android sdk, jdk and jre. I am using the ddms to do so. I works fine. I can see the entries in the logcat in the ddms. Among others I can see 'Wrote stack trace to /data/anr/traces.txt". But when I select the Device->File Explorer... and try to open the data folder, there is nothing there. It looks like an empty data folder.
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Oct 9, 2009
I'm new to eclipse and android, so I have not the correct experience, by now. I'd like to know which are the tipical debugging methods.
emulator ddms junits
I'd like to do step-by-step using eclipse-rcp, emulator and ddms.
I can see in DDMS perspective the thread of Helloworld example running.
I change perspective to debug and I set breakpoint, but the application doesn't stop.
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Jul 12, 2010
Probably a stupid question with an obvious answer, but I can't figure it out by myself. Tutorial (http://source.android.com/source/using-eclipse.html) says to go to the root of the downloaded platform, and first start emulator (it starts successfully), and then run $ddms.
But when I'm trying to do so, it fails: ~/mydroid$ ddms No command 'ddms' found, did you mean: Command 'dkms' from package 'dkms' (main) Command 'xdms' from package 'xdms' (universe) Command 'dds' from package 'dds' (universe) ddms: command not found
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Sep 16, 2009
I'm having a problem where I am able to update the location in the Android Emulator from the Eclipse DDMS exactly once per time an activity is loaded, but no more.
I discovered the problem in my application where Activity2 (which accesses the GPS) is started by Activity1 (which doesn't do anything particularly interesting); when Activity2 is started, I can update the GPS position using the Manual input in Location Controls in the DDMS and everything works fine. However, then I get a LogCat message "TTFF: XXXX" where XXXX is an apparently random number, and then the GPS will no longer update. However, if I click the Back button in the emulator to return to Activity1, and then use Activity1 to restart Activity2, I can enter a new GPS location. But, I can't enter a second one; tries to do so result in no apparent action. My application works perfectly well on a real device with a real GPS signal.
To test things further, I closed and reopened the emulator, immediately closed my application (from Activity1, which doesn't do anything besides load an XML layout and attach an onClick listener to a button), and loaded Google Maps. I observed the same behavior here; I could send one position that Google Maps would respond to, but any subsequent attempts to update position fail. When I close Google Maps and reopen it, I am able to send exactly one more location update from DDMS.
The distance between my subsequent location updates is usually 0.02 degrees, but I have tried it with up to 5 degrees also. My application does not use ACCESS_MOCK_LOCATION because I want to switch back and forth between testing on a physical device and testing on the emulator without having to update the manifest for each build, plus it seems like setting a permission for my application shouldn't have anything to do with Google Maps on the emulator.
I would try loading up a GPX path, but the DDMS seems broken there too: http://groups.google.com/group/android-developers/browse_thread/threa...
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Jun 24, 2010
What does the ddms do? I see it is the Dalvik Debug Monitor, but what does it do? I have my phone plugged in and it is just zooming along. I am not touching any buttons on the phone, and it appears the phone is asleep.
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Oct 19, 2009
Could anyone upload a small example file that will work? Every file I've tried fails. Is this function completely broken? All attempts result in no points being listed. No errors reported.
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May 26, 2009
In the DDMS, I had used FileExplorer and visited /data/app folder to see the .apk files installed in the emulator. After that I had minimized the data folder and thus stopped that process.
But I am observing that this /data/app folder is opening again and again automatically. I dont know what is the reason and how to stop it.
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Nov 13, 2009
I can't find the DDms allocation tracker in the DDMS perspective in eclipse. I search the view doing Window > show view I look to the android view but i have no allocation tracker view there. I use search view tool and I can't find any Where is this View ? (If it's obvious, i am sorry because i reallu can't find it)
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Oct 4, 2010
I have an Activity that is running out of memory in CreateSurface. The logcat looks like this: 10-04 17:55:52. 574 : ERROR/SurfaceFlinger(1086): createSurface() failed, generateId = -12 10-04 17:55:52.574: WARN/ Window Manager (1086): OutOfResourcesException creating surface 10-04 17:55:52.574: INFO/WindowManager (1086): Out of memory for surface! Looking for leaks. 10-04 17:55:52.574: WARN/WindowManager (1086): No leaked surfaces; killing applicatons! 10-04 17:55:52.574: WARN/ActivityManager (1086): Killing processes Free memory at adjustment 0 I'm trying to use DDMS to figure out what's going on but when the application gets killed DDMS aborts the Allocation Tracker. Is there a way to cause the application to do a core dump and is there a tool for analyzing dumps? I have SDK version 8, which does not allow simultaneous use of DDMS and the Eclipse debugger so I need to get creative.
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Sep 30, 2010
I accepted that it was bug in Helios but I now find that I'm now getting the same error under Eclipse 3.5
When I send a location from the DDMS perspective using the emulator control tab. I have a standard listener:
onLocationChanged(Location location){...}
If I break on the first line of this, having sent the lat/lon pair of 53.5/-3.0 from the DDMS tab, then the mLatitude/mLongitude in the location argument have changed to 53.508833/-3.005000 (6 dec places only shown).
The Android SDK is 2.2 in both and the target is Google APIs level 7. Does anybody else experience this or could offer a possible explanation? (It amounts to quite a big error in terms of metres on the map.)
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May 16, 2009
When one person debugging android application on a PC, emulator-5554 <===> DDMS A <===> Eclipse A can communicate well. When the second person want to debug application on another emulator on the same PC emulator-5556 <===> DDMS B <====> Eclipse B. The DDMS B can't communicate to emulator-5556 rightly. Seems emulator-5554 and emulator-5556 both controlled by DDMS A. How to resolve this problem?
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Mar 29, 2010
I'm getting a server response back in ddms,But I'm finding that ddms logs only show about the first 50 lines of the response,then cuts everything else off, which isn't very helpful,since it means I can't see any of the useful info. I don't have much control over the content of the response it's a standard Django debug page, i.e. quite long. Does anyone know how I can get ddms to show the whole thing?
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May 1, 2010
I'm having trouble using the nexus one in DDMS on Fedora 12. It is detected fine and I can see two processes, cooliris and uploader.These are the only two that show up. The emulator shows up just fine and i can debug from there. Does anyone have suggestions on how to get the nexus to connect properly?
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Feb 15, 2009
I've been trying to locate some excessive object creation to deal with hiccuping caused by the garbage collector (any word on upcoming improvements to this, btw?), and have discovered that DDMS is the tool for the job.I shut down eclipse and booted up DDMS, and it finds my device, but lists no processes running (no matter what I run).Initially, it did list the "powermanager" app that I had installed, so I assumed this was causing some kind of conflict and uninstalled it and rebooted my device.Now it simply lists no processes.
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Jun 19, 2010
I have searched and searched for help and am not finding anything. Well i take that back I have found countless guides on how to do it. tried many of them, didn't work, deleted everything, tried another , didn't work so now I am asking for help.I am trying to do screen captures using the SDK and eclipse and whatever else the guides say to download. Whenever i double click the ddms file a command box flashes up on the screen for a split second and thats it . Can't go any further if the commab box won't stay up. I think a windows window is supposed to pop up after that so I can choose my phone.
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Jun 11, 2009
This is an incredibly dumb question. So, apologies. But I can't find the answer anywhere and it's driving me nuts.
In DDMS, I have lost the tag column, i.e. the first part of the message from Log.d(tag, message). I can see time, log type, process id, and message - but not tag!
Anyone know how to get it back? I've tried right-clicking the columns, looking through the menus, etc - no joy.
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Aug 26, 2010
sometimes i am getting these exception console
CODE:................
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Apr 15, 2010
I have Windows XP and use Eclipse v3.4.1.
Under Device Manager I see Android Phone -> Android Composite ADB Interface when my Nexus One is plugged into the computer (Disk drives - > HTC Android Phone USB Device when my myTouch is plugged in), so I
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Nov 5, 2009
what do the following mean in the Heap view of *DDMS*:
1) Data Object
2) Class Object
3) 1,2,4,8-byte *array* : which arrays are we talking about here??
4) non- Java object
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Mar 5, 2009
I can use DDMS Location Controls of SDK 1.0 to manually or load a GPX KML to send mock location data. Now I checked out the latest source code of Android and make, but with the new DDMS I can't use DDMS Location Controls now, it says no GPS emulation in this virtual device. and please refer to the picture http://www.androidin.com/bbs/viewthread.php?tid=3760&extra=page%3D1
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