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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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Systrace Error. Uncaught SecurityError: Failed to execute 'pushState' on 'History'

I am trying to open the HTML file generated by systrace. When I click on one the block I used to get the selected slice information like "Duration", "Total Time" etc. But with the latest version of chrome that is not working. Tried on latest…
Shyam Sundar Kulkarni
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Android Systrace tool internally uses strace or ftrace?

Systrace Android tool calls internally a tool called atrace which is and extension of ftrace or strace (Linux tools). If we connect via the emulator console (ADB shell) to Android Jelly Bean we can execute strace tool but we can not execute ftrace…
Rodmar Conde
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Android Systrace Trace File Format

Android systrace tool, calls atrace tool via ADB. However, I don't understand very well the format of the traces file. Apparently it is very similar to linux ftrace tool with some differences. The main difference is that is doesn't uses a System.Map…
Rodmar Conde
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How to call an equivalent command to strace on mac -- ideally from python?

Self contained reproducible example I need to strace the output of any command through python. But I only need to translate the following amd linux command to mac m1/arm commands (so python is likely irrelevant): strace -e trace=execve -v -s…
Charlie Parker
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Trying to run systrace on android device but the resulting html shows an error

Unable to select a master clock domain because no path can be found from "SYSTRACE" to "LINUX_FTRACE_GLOBAL".
JamesWang
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systrace.py not found Android Studio

I'm currently trying to run the systrace tool for analysing my ui performance. I setup my environment as described here: https://developer.android.com/studio/command-line/systrace.html#syntax But when I try to run python systrace.py --time=10 -o…
CrowdFit
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Android System Trace [trace markers]

I'm trying to make RecyclerView scroll smoothly. Starting with analyzing traces from Android Device Monitor > DDMS > Android Systrace I thought that adding custom sections could be helpful. Here, you can find example I use to accomplish this. Could…
Rade
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Should one not use data binding for RecyclerView item views?

I'm currently researching why some of my RecyclerViews do not perform very well. The UI lags especially when the whole content of the view needs to be drawn. Using systrace I've come across a large frame in which the RecyclerView layouts its…
McFarlane
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Android app first start is very slow and systrace shows 30 seconds of bindApplication

I'm currently developing an Android app and trying to improve the start time. In order to do so, I'm using the Systrace tool. The first time I run the app (right after installed), it takes ~40 seconds to start, and I get this trace: As you can see,…
FlyingPumba
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Android systrace descheduled frame

I'm running systrace on my application to identify problems. One of my cases issues a warning in the systrace report html: Work to produce this frame was descheduled for several milliseconds, contributing to jank. Ensure that code on the UI thread…
Kenneth
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How to trigger latest Android Systrace command's markers for jank and frames?

The latest Android Systrace pages - http://developer.android.com/tools/debugging/systrace.html#options-4.3 - show 'Alerts' and 'Frames' trace lines, with circles where bad things happen. I haven't been able to create a trace.html file with those…
android.weasel
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Android Systrace No such file or directory

Here's the error message D:\Programming\Tools\ADT_bundle\sdk\platform-tools\systrace>python systrace.py Traceback (most recent call last): File "systrace.py", line 315, in main() File "systrace.py", line 64, in main …
Wei Yang
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Extending Android Systrace Tool

We're working in extending the systrace tool to add customized information for our devices. We're specifically interested in knowing how does android support TRACE generation. What is the architecture and mechanisms that are involved in tracing…
Rodmar Conde
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Systrace Output Error

I ran systrace on my android studio project in order to find some performance bugs but after the end of the tracing process, i get the following error and if i open the trace.html output file in chrome, the trace view is empty: Starting tracing (10…
Stelios Papamichail
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How to figure out Expensive measure or layout pass in systrace React native profiling?

I am profiling my react native app using systrace. When I select dropped frames there are mainly two alerts mostly Expensive measure/layout pass Description : Measure/Layout took a significant time, contributing to jank. Avoid triggering layout…
Dinesh Chitta
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