Android :: Power Consumption - Profiling Of Application
Aug 20, 2010
I'm the developer of PowerTutor, a power profiling tool for the system. This tool profiles the system power consumption and decomposes power consumption on hardware components (e.g. LCD, Wi-Fi, CPU and etc.). It also assigns power consumption to individual application as the application is running alone in the system. In this way, it could potentially help developers to profile the app and detect energy inefficiency usage behavior in the application.
More details could be found at http://powertutor.org.
Note that PowerTutor is free to download and no advertisement is embedded. I'm posting this here to so that the Android community can be aware of it. Any one who cares about power consumption of their applications will find it useful.
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Jul 27, 2010
There are quite some pit falls that an application developer may hit. In order to simplify life Sony Ericsson Developer world has produced a little guideline called "Android Application Coding Guidelines - Power Save".
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Aug 5, 2010
does SQLite have any big impact on power consumption? I am just thinking about storing data in a List or Map or in a database. I have a lot of inserts and queries, several a second.
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May 27, 2012
find out which app is draining my battery and if it's really necessary. couldn't find any information on the SDK pages.My Phone seems to be very often Awake while in standby. I can't understand why it has to wake up that often. Am I right, that this "Awake" means, that the cpu is running (not in sleep mode)?
Is there any way to log which software is waking the device up?
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Nov 15, 2010
phone: HTC Desire HD
settings:
accelerator: off
animation: off
brightness: zero
screen timeout: 15 seconds
notification: off
wallpaper: black / non-live
however battery use screen shows display 73%..! Is that normal, how can I reduce it?
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Dec 9, 2013
I often have notifications telling me my phone is using more power than my charger/external battery pack is able to provide.could it be my phones battery ?
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Jul 19, 2012
I want to develop a peripheral device to connect to an android phone via USB OTG. The OTG specs [1] says: "A Targeted Host shall provide sufficient power to each peripheral on its TPL in at least one supported configuration".
Where do I find those TPL ("Targeted Peripheral List") lists? I searched at Sony Ericsson (because I have a Xperia Mini) and Samsung (as a different manufacturer) but with no luck. Is this an android related list?
On github I found a code fragement [2] from DooMLoRD. It mentions a OTG whitelist. But it seems to be something like a skeleton.
I do this research because I want to use the peripheral device in high power mode with about 300 mA. I thought I could compare the TPL with devices that also need 300 mA.
[URL] .....
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Nov 20, 2012
What is the best android software for showing power consumption by process over time?
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Sep 9, 2010
seems like anything using 3g drains my battery. slacker player saps 30% of a 2600mah battery in a single hour. If I were to be conservative, it would be 25% of a 2200mah, accounting for other parts of the phone and possibly a low quality battery. Even then, that's horrible. It didn't used to be this bad. And now I suspect it's a combination of a new radio update that boosts signal by consuming more power, and the fact that 3g coverage is weak where I'm at (though it worked good enough before the update). So if there's any way to downgrade radio without losing froyo or other phone functionality, or directly influence power consumption of the 3g radio, please let me know.
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Aug 8, 2013
I'm looking for a new music player app with low power consumption because Google music is eating up my battery quickly.
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Jul 7, 2009
How do we profile an android application's memory ?
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Oct 4, 2010
Can you please tell me how can I do memory profile for an android application? I want to find out how are the objects created and where did those created.
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Apr 13, 2010
I have a requiirement of finding out the max RAM usage of my application. I tried installing the Memory Profilers in eclipse but I was not able to use it with my application. Please let me know how can I find the RAM usage of my application on the 'emulator'.
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Sep 8, 2010
I was using the Google navigation on 3G network with the phone connected to a 500mA car charger. After 1hr, the battery dropped 20%. Anyone knows if a 1000mA car if enough?? Tonight, I was watching a Youtube HD video on 4G network (2/3 bars on 4G) with the phone connected to a 1000mA USB wall charger. After 10min, the battery dropped 2%...Well, even 1000mA cannot compensate the consumption of the battery. The power consumption of this phone is ridiculous. Something must be wrong with the system/circuit design.
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Aug 23, 2010
How do I find out how much memory my openGL application is using at any given moment, including sounds, textures, and everything else? I've been wrestling with DDMS for hours and all it seems to show me is basic object allocation counts. I must be missing something, but I haven't had any luck searching. LONG VERSION: I've got an otherwise operational beta Android game which crashes out after a while on my device (Droid X). I'm fairly sure my problem is that my textures are not being properly cleared from memory. I'd like to confirm this fact before I start blindly making changes. My game does fairly frequent level transitions. During these transitions I typically dump a texture file, wait a bit, then load a new one.
Over time the application performance degrades. After 10 or so transitions frame rate starts to take a nose dive. 10 or so more and it usually dies. Prior to dying I see log messages like this: 08-23 12:26:58.038: DEBUG/Cursor(1265): fillWindow is not executed because Cursor object is closed. 08-23 12:27:27.186: INFO/ActivityManager(1239): Low Memory: No more background processes. And then eventually: 08-23 12:27:46.952: INFO/ActivityManager(1239): Process com.thup.lunchbox (pid 4927) has died. There are no specific error messages of any sort. I've got lots of ideas for things to try to fix this (e,g, glDeleteTextures), but I really want a way to measure before I start trying to fix.
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Jan 24, 2012
how to make battery consumption on running applicaion in android my thesis problem. it's about a battery notification or battery consumption of running application. how can i make it just like a chart/history that will tell how much battery an application consumed.
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Nov 29, 2010
Basically i went from getting 15+ hours of battery life to getting 4 hours today and maybe 7 yesterday. This is 2 days in a row. Running baked snack 1.9 with not too many apps.. I had gone a few weeks being amazed by battery life. I don't think I've added any apps that would cause this.
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Jun 28, 2010
Why is Maps app showing as consuming power, even when it not running? The About Battery is showing that it is consuming 93%
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May 1, 2009
One of the new features mentioned in the 1.5 SDK is "Easier application performance profiling". Can somebody shed some light on what new profiling features are available in the new SDK? Are those enhancements to TraceView, DDMS, or new profiling APIs ?
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Oct 6, 2010
I need to find where the bottlenecks are in my Android app.
What profiling tools or techniques can I use?
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Feb 4, 2009
I've been running Eclipse on Mac OS X for android development. Since I'm new to eclipse I'm not sure how to profile my apps. Especially Memory usage. Could some one guide me to a direction please?
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Jun 24, 2009
Can I use Eclipse TPTP (Test and Performance Tools Platform) to profile android applications?
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Mar 30, 2010
Is there an app that you can set to power down and reboot your system? When I had a blackberry, it would always reboot at 3:14am (my birthday).
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Nov 11, 2009
It seems to me that all of these much-touted app killing programs are pretty much worthless. I kill all sorts of stuff I never even opened, and 5 minutes later, it's back again. I'm probably expending more power killing programs than I would if I just let the phone sit idle. Am I mistaken? What good are the app killing programs if the programs keep coming back? I'm starting to wonder if the hyped "run multiple applications at once" bit is more of a drawback than anything. Edit: Would there be any harm in removing the Footprints, Twitter, Gmail and Market programs that came with the phone that I don't use yet keep popping up?
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Oct 3, 2009
I am looking for an application that handles power management. I downloaded the Power Management app, but the free app has limited features. I am looking for a free app.
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Mar 29, 2010
I started my emulator with ./emulator -trace profile -avd emulator_15. I then tracked down the trace files to ~/.android/avd/rodgers_emulator_15.avd/traces/profile, where there are six files: qtrace.bb, qtrace.exc, qtrace.insn, qtrace.method, qtrace.pid, qtrace.static. I can't figure out what to do with these files. I've tried both dmtracedump and traceview on all of the files, but none seem to generate any output I can do anything with.
How can I view the proportion of time taken by native method calls on Android?
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Jan 15, 2010
My game - Tower Raiders - is continually floating fairly close to running out of bitmap memory. Unfortunately, I haven't found good information on profiling bitmap memory usage so that I can optimize / make informed decisions / add new content if it allows / etc.
I'm aware that bitmap memory is not heap memory, as it's allocated natively. But that it is accounted for somehow in the VM and influences garbage collection. Maybe it's an oversimplification of how bitmap memory works - but I'd like to find a tool etc or some way of determining I as the game is running right now, there are no more than X bytes of usable bitmap memory remaining.
So, if anyone has any advice etc that would help me in these respects I would greatly like to hear about a workflow for this.
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Nov 15, 2010
Is there an app out there that can power down the phone without having to hold the power button? I am not talking about reboots, I mean a full power down from using only the touchscreen?
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Jun 4, 2010
I am trying in one of my application when i am going to start i mean power on my google android g1 my application automatically will start but i am unable to understand how can.
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Jan 24, 2010
Seems to me that Lock 2.0 is the best Screen Lock I've found. Only Issue is, even with the security code enabled, all one has to do is power on/off the phone and your in with no need for the code. What I am looking for is a locking app that doesn't get disabled when powering the phone off/on. Looking for something secure much like every BB has where no matter what you do, to proceed into the phone you need to type in the Lock Code.
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