systrace

React-Native: How to collect the systrace in android

隐身守侯 提交于 2020-06-29 04:17:48
问题 I followed JS: https://facebook.github.io/react-native/docs/android-ui-performance.html to analyze the performance of my app. when run this command $ <path_to_android_sdk>/platform-tools/systrace/systrace.py --time=10 -o trace.html sched gfx view -a <your_package_name> as mentioned in the documentation, one .js file has been opened in the code editor as follows, #!/usr/bin/env python # Copyright (c) 2015 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD

AndroidSystemDebug官方指导

冷暖自知 提交于 2020-03-03 20:34:13
AndroidSystemDebug官方指导 Google是AOSP项目的主导者,关于Android开发有两大官网,在“资料收集”篇有提到就是 Android Open Source Project 与 Android Developers 官网。在这两大网站上有关于aosp项目和app开发的一切官方资料。Google公司的工作是值得认可的, 所以我们的任务第一步要整理学习前人的工作,避免重复造轮子。 本篇将过滤AOSP与developer官网提到的开发调试工具及方法。 本文只给出地址及简介 。 AOSP、Developer两大官网内容详实,建议Android系统开发者和app开发者通读,对了解Adroid OS全貌有帮助。 AuthBlog:秋城 https://www.cnblogs.com/houser0323 Contents 1. AOSP 2. Developer 1. AOSP 本章列出的内容主要关注Android系统/平台。 Git Android选择使用Git来做工程代码版本控制 Repo 简单来说,repo用来管理繁多的Git仓库。 In most situations, you can use Git instead of Repo, or mix Repo and Git commands to form complex commands. However,

Doing an Android FPS counter

妖精的绣舞 提交于 2020-01-16 03:27:25
问题 I'm trying to do an FPS counter for any Android app. That means I don't have the source code for that app (I can't modify it or anything like that, I just have the .apk). I've researched a lot into this and I've found only one app that does this (it's called Game Bench, you can find it on Google Play), so it is possible somehow. When the app starts, it has a list with all the games on your phone, you choose one and Game Bench automatically starts it and calculates the FPS. I need a similar

Win7下systrace环境配置

五迷三道 提交于 2020-01-08 19:21:57
D:\Android\android-sdk-windows\tools\monitor.bat工具可以用来抓systrace 高通文档KBA-161123204012讲得非常好。 python2.7下载地址: https://www.python.org/downloads/release/python-2717/ 我下载的是当时最新的版本:python-2.7.17.amd64.msi 加入以下环境变量: C:\Python27;C:\Python27\Scripts;D:\Android\android-sdk-windows\platform-tools\systrace 为什么是安装Python2.7?因为systrace工具报错提示要在Python2.7环境下运行。 安装好Python2.7配置好环境后,运行报错: C:\Users\Administrator>systrace.py --list-categories Traceback (most recent call last): File "D:\Android\android-sdk-windows\platform-tools\systrace\systrace.py", line 48, in <module> from systrace import run_systrace File "D:

Systrace output not showing graphics/surfaceflinger events

旧街凉风 提交于 2020-01-06 03:53:08
问题 I am able to run systrace but i am not able to see the traces for SurfaceFlinger. GPU, bufferQueues, etc. I gave the following command: systrace.py --time=10 -o mynewtrace.html sched gfx view wm hal video workq Its only giving output for CPU0, workqueues, irqs, kworker etc. Any particular tracers we have to enable while compiling kernel? Am I missing anything else? Thank You! 回答1: Got the solution. The trace_marker file was not set to writeable for user space processes. After setting it using

Error running systrace tool in ADB using a Jelly Bean 4.1 emulator on Windows 7

▼魔方 西西 提交于 2019-12-28 02:52:31
问题 How can I run systrace to show its html output? After watching the Google I/O 2012 talk "For Butter or Worse" I am having trouble getting systrace to work on Windows 7 using the emulator running Jelly Bean 4.1. I did the following: Installed Python 2.7, and added the install folder to my PATH Ran the following: C:\android-sdk\platform-tools\systrace>python systrace.py (with older SDKs: C:\android-sdk\tools\systrace>python systrace.py ) But I get the following error in cmd: Traceback (most

Evaluating output from systrace on Android

半城伤御伤魂 提交于 2019-12-24 11:44:20
问题 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 means when scrolling the adapter does nothing for some time and then it has to create quite large view..And even I did a lot of optimizations (obvi I do recycling, I avoided basically all redundant object instantiations,..), there are some dropped

Systrace |No /sys/kernel/debug/tracing directory on Android 4.1.1(Galaxy S3 I747UCDLK3)

本秂侑毒 提交于 2019-12-23 02:17:09
问题 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 /sys/kernel/debug", and here's the result of "mount" command: 255|root@android:/ # mount rootfs / rootfs ro,relatime 0 0 tmpfs /dev tmpfs rw,nosuid,relatime,mode=755 0 0 devpts /dev/pts devpts rw,relatime,mode=600 0 0 proc /proc proc rw,relatime 0 0 sysfs /sys