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Questions tagged [systrace]

The systrace tool helps analyze the performance of an Android application.

The systrace tool helps analyze the performance of your application by capturing and displaying execution times of your applications processes and other Android system processes.

The tool combines data from the Android kernel such as the CPU scheduler, disk activity and application threads to generate an HTML report that shows an overall picture of an Android device’s system processes for a given period of time.

More info at the android developers help page.

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Can you use the Android Trace class from multiple threads?

Are you able to use the Android Trace class (http://developer.android.com/reference/android/os/Trace.html) from multiple threads and have it log time doing operations on each of those threads appropriately? In particular, I have 2 threads that are…
Foxichu
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Android systrace or atrace python parser to parse the results

any one know how to parse the systrace or atrace files like following and get the timestaps of any process using python or any other language? # / _----=> need-resched # | / _---=>…
Lava Sangeetham
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Getting BufferQueue state in systrace

I'm trying to get a better understanding of how my application is interacting with the Android's buffering system. Specifically, I want to optimize when my frames are being added to SurfaceFlinger's BufferQueue, in relation to the Vsync signal. I…
Shookit
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"Enable traces" is missing in Developer options android

I am trying to analyse my App's performance with systrace. But In developer options I could not find "Enable traces" in developer options as I saw in many of the tutorials. I could see the Android version is 4.0.4 in About device. Please help me how…
Distraction Arrestor
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Unable to run systrace on Note 10.1

error opening /sys/kernel/debug/tracing/options/print-tgid: Permission denied (13) unable to start tracing I am getting the above error when trying to run systrace on my Note 10.1 2014 device. Any ideas? I followed the steps from google outlined…
mtbomb
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How to check if my android phone supports the use of systrace debugging?

I have read that some phones, specifically kernels do not support the use of systrace. It hit me when the same pc configuration that does not work on my phone works on my emulator. So ultimately my question is: How to check if my android phone…
reubenjohn
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How to add a custom marker in Android systrace?

I am using systrace to dig into the performance issue in my app, I am wondering if there's a way to add a tag / marker when certain event happens in the systrace result? The specific event I am looking for is input event, but it's hard to tell from…
Johnny
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Evaluating output from systrace on Android

I am currently chasing some dropped frames in my app..I turned to systrace for help, but unfortunately I am not smart from its output.. Here is my traceview.. My problem is basically that in my adapter I am creating quite large list items..That…
simekadam
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how to enable trace in android 4.3 as in android 4.2

In android 4.2, go to the Settings->Developer options->Enable trace, I can enable the traces and show them in the systrace output chart. But in android 4.3, the enable trace option is removed, so how can I enable traces?
user2539662
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Android systrace errno 8

I have Win7 PC, latest android sdk and Python 2.7 and trying to start systrace. I start script from "\android-sdks\platform-tools\systrace\" After commsnd "python systrace.py" i recieve error: OSError: [errno 8] Exec format error What can this be?…
mikamika
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Systrace| No "performTraversals" on application thread or no application thread

In this Google IO video, I observed that "performTraversals" is on its application thread(ndroid.slowlist). While in my report, the "performTraversals" is on thread PID 530(android.systemui). And there are only rows representing the activities and…
Wei Yang
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Systrace |No /sys/kernel/debug/tracing directory on Android 4.1.1(Galaxy S3 I747UCDLK3)

I'm trying to use Android systrace tool with my galaxy S3 and I meet some problem seems to be the kernel problem. I have follow the steps described in this post: Failed to use systrace in Jelly Bean I'm able to "mount -t debugfs nodev…
Wei Yang
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How to use systrace to profile disk I/O in Nexus10 running Android-4.2.1

I am trying to issue the following command line in my desktop terminal to profile some disk data from Nexus 10. python systrace.py -d --time=10 -o mynewtrace.html Unfortunately, systrace reports error: tracing disk activity requires root…
user2159067
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Permission denied when trying to run systrace

I'm trying to run the new systrace tool provided by the Android SDK. As demoed during Google I/O 2012 (Demo starts at 31:04 in the video) (Terminal commands demoed at 32:04). . However, when I try to run the command (in Terminal on a Mac) I get…
cottonBallPaws
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Android jelly bean 4.1 systrace tool

How to use systrace tool in android jelly bean 4.1 to work on windows 7 32-bit OS.
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