Dumpsys surfaceflinger. I currently work on a development board called Odroid-XU3.
activity Jun 30, 2014 · See the Android System-Level Graphics document. For example, for Angry Birds 2, I can use the following command to get when the frames Dec 29, 2013 · What exactly it does varies between devices and has evolved over time. Now that that is out of the way… What does it actually do? If you’ve worked with scrolling, you’ll know that “flinging” is an action that a user can do, but it’s not related to that. 黑屏问题是显示相关的综合性问题，涉及Android应用层、框架层和底层SurfaceFlinger、屏显等多个领域。下面有一些基础的判断来定位黑屏问题的归属： (1) 屏幕没有亮屏、背光为0则需先从power、屏显角度分析 (2) 屏幕黑屏，但可以进行三指截屏、power键+音量下键截屏，并且截图正常显示(非黑图 Aug 19, 2021 · I tried adb shell dumpsys SurfaceFlinger --latency and the result kept the same. The first view is using the default Z order. 0在主屏幕_android dump Jul 17, 2024 · The Android dumpsys surfaceflinger timestats command provides average FPS and present to present timing histogram for all layers that are being rendered. dumpsys is an Android tool that runs on the device and dumps diagnostic information about the status of system services. vispark. HWC missed frame count: 3599. 09 12:59 浏览量：2 简介：本文将带你了解adb shell dumpsys SurfaceFlinger命令的作用，如何通过该命令分析Android系统的图形渲染性能，以及提供一些实用的操作建议和解读方法。 各Surfaceが持っているZ-order値は下記で見ることができる。 C:\\Windows\\System32>adb shell shell@android:/ $ dumpsys SurfaceFlinger dumpsys SurfaceFlinger Build 在Android 8系统中可以通过 dumpsys SurfaceFlinger | grep android包名获取到 执行命令结果如下： 计算方法比较简单，一般打印出来的数据是129行（部分机型打印两次257行，但是第一部分是无效数据，取后半部分），取len-2的第一列数据为end_time，取len-128的第一列数据为 $ dumpsys SurfaceFlinger --display-id # Example output. 1. The input system is part of the window manager. Then we should use following command to parse SurfaceFlinger result: The dumpsys is a tool that runs on the device and dumps interesting information about the status of system services. You can see a summary of the buffers associated with every layer in the dumpsys SurfaceFlinger output. Oct 3, 2020 · Default / maximum is 180. About 2-3 dropped per second. What is the difference between these two and what they actually mean? I couldn't find any documentation online that explained it. 问题场景. The webpage is a column on Zhihu where users can freely express themselves through writing. 有刷新则计算帧率，无刷新则不输出数据，有时候取到的fps为1，就是这个原因5. If you want to see exactly what it's doing, try adb shell dumpsys SurfaceFlinger. 这个系列最后一篇文章，简单总结下SurfaceFlinger的启动流程及合成视图过程。 Apr 8, 2024 · 同步机制：SurfaceFlinger通过与硬件和其他系统组件的协同工作，实现屏幕内容的实时更新和同步。 四、dumpsys SurfaceFlinger的输出内容. $ adb shell su -- dumpsys window WINDOW MANAGER INPUT (dumpsys window input) Event Hub State: BuiltInKeyboardId: -1 Devices: Contribute to AlienwareHe/my-articles development by creating an account on GitHub. We are using both QT / Qml (5. See screenrecord for an example of a program that accesses SurfaceFlinger directly. I tried to use SurfaceFlinger, but somehow it adb命令“dumpsys SurfaceFlinger”的输出上有任何文档吗？ 特别是，我想了解HWC或GLES图层类型之间的区别是什么，numHwLayers是什么意思？ 这是我正在谈论的dumpsys SurfaceFlinger的部分: Jul 2, 2012 · adb shell "service call SurfaceFlinger 1006 i32 1" adb shell setprop debug. 소스에서 앱을 빌드하거나 사전 빌드된 디렉터리에서 앱을 여세요. adb shell dumpsys surfaceflinge 分析_qeqeqe236的博客-爱代码爱编程_dumpsys surfaceflinger 2018-02-03 分类: uncategorized 对于很多Android的显示问题,我们需要使用adb shell dumpsys SurfaceFlinger命令来获取SurfaceFlinger的dump信息,这对于我们分析问题有很大的帮助,因此我们这里来详细讲解下SurfaceFlinger的dump. WindowManager provides SurfaceFlinger with buffers and window metadata, which SurfaceFlinger uses to composite surfaces to the display. model. Firstly, we should use adb shell dumpsys SurfaceFlinger | tee surfaceflinger-result. Feb 2, 2022 · Gives me back: Error: Unexpected output of 'dumpsys SurfaceFlinger' command: no GL extensions found. 这里只摘取该Layer相关的部分： 原来这里直接return 0,这里还是会影响其他dumpsys SurfaceFlinger带参数的命令会波及。 所以这个学员朋友就对这里进行了改进，减少波及： 在这里插入图片描述. Agi, this would require adding new overloads of the API GeckoDisplay. The hardware composer details (near the bottom) are the most interesting part. surfaceChanged(), with SurfaceControl 文章浏览阅读2. build. winscope. winscope SurfaceFlinger adb exec-out dumpsys SurfaceFlinger --proto > sf_dump. Then to see what each service could do for us run: See full list on developer. 每次执行dumpsys SurfaceFlinger --latency < VIEW_NAME > 后，计算汇总出一个fps； 计算规则为： frame的总数N：127行中的非0行数 Dec 15, 2023 · SurfaceFlinger创建Layer. com Dec 23, 2021 · 文章浏览阅读1w次，点赞4次，收藏20次。对于分析一些显示问题，我们需要使用adb shell dumpsys SurfaceFlinger命令来获取SurfaceFlinger的dump信息，因此这里来详细讲解下SurfaceFlinger的dump信息。 explicit SurfaceFlinger (surfaceflinger:: Factory &) ANDROID_API; // set main thread scheduling policy static status_t setSchedFifo ( bool enabled ) ANDROID_API ; $ adb shell dumpsys SurfaceFlinger > surfaceflinger_dump. This can span over multiple processes. Apr 22, 2024 · Understanding the “dumpsys” Command. bundletool. android. As soon as I start rendering new frames, things get more interesting. transactions" surfaceflinger_transactions_config: {mode: MODE_CONTINUOUS}}} SurfaceFlinger トランザクションのトレースを生成するためのコマンド例を次 Feb 22, 2016 · Your fight is with SurfaceFlinger and the view system. This will save the output to a file named surfaceflinger_dump. How could I access the information provided by dumpsys or dumpsys SurfaceFlinger in kernel? I have read that it is not a good idea to make system calls Jan 5, 2016 · adb shell dumpsys -l Currently running services: DockObserver SurfaceFlinger accessibility account activity alarm android. 结果输出示例. adb exec-out dumpsys window --proto > window_dump. SurfaceFlinger can accept buffers in two ways: through BufferQueue and SurfaceControl, or through ASurfaceControl. Commented Nov 7, 2018 at 6:12. It is working fine in android Q (android 10). chinese/. png ensureOutputLayer将创建Output layer，这些layer最后是要显示到屏幕上的。 We would like to show you a description here but the site won’t allow us. It provides a convenient way to fetch detailed status information from different system services, similar to the dumpsys command in the Android shell. | cut -d= -f2" which will return the value of 0 for no secure layers visible, or 1 for some secure layers are visible. isSecure may seem like the more appropriate value, but it is not. winscope 트레이스 분석. Support iOS, Android, WebApp and game. android / platform / frameworks / native / a67e418e1fda219f6cc0a7e420bcf5cc4f9fe710 / . Aug 1, 2024 · adb exec-out dumpsys SurfaceFlinger --proto > sf_dump. adb shell dumpsys SurfaceFlinger --latency SurfaceView adb shell dumpsys gfxi Aug 18, 2015 · When adb shell dumpsys is invoked a native dumpsys binary is executed which asks the IServiceManager for a list of all system services (services which are built-in to Android) and invokes the IBinder#dump(FileDescriptor fd, String[] args) method on each one, with the FileDescriptor set to STDOUT. Apr 18, 2023 · Is your feature request related to a problem? Please describe. Apr 13, 2022 · adb shell dumpsys SurfaceFlinger. Sep 23, 2023 · Unexpected output of 'dumpsys SurfaceFlinger' command: no GL extensions found. Now, I want to get the same information in a piece of code I have written for kernel. The seco Aug 29, 2017 · adb shell "dumpsys SurfaceFlinger | grep -o secureVis=. 每次采样数据大于等于1帧则计算FPS，丢帧率，最大帧间隔 My guess is that it uses these commands [programmatically]: (1) adb shell dumpsys SurfaceFlinger --latency-clear (2) adb shell dumpsys SurfaceFlinger --latency <window name> 折腾VPS的人总是会纠结一下自己的VPS性能怎么样，除了查看下VPS的系统信息之外，我们也会通过跑分软件来测试，比如使用Linux性能测试UnixBench跑分来测试。 -d: specify the physical display ID to capture. – adb shell dumpsys SurfaceFlinger 比如，我们通过dump，就可以知道当前有那些Layer，都用什么合成方式 Feb 1, 2024 · The dumpsys command in the Android Open Source Project (AOSP) is a tool that provides detailed information about system services and other aspects of the Android system. Jun 11, 2021 · Saved searches Use saved searches to filter your results more quickly Since SurfaceFlinger can composite frames from multiple layers into a single frame-on-screen (called a DisplayFrame), selecting a DisplayFrame draws arrows to all the frames that were composited together. dumpsys命令用法. 执行dumpsys SurfaceFlinger命令后，你会看到大量的输出信息，包括： 图层列表：列出了当前所有的屏幕图层，包括图层的名称、大小 Jul 15, 2020 · we use dumpsys to output all the details of all the windows displayed on the screen (irrespective of the screen on or off) we filter the content using sed to show only those lines which have information about Navigation Bar Apr 23, 2022 · WindowManager adb exec-out dumpsys window --proto > window_dump. 3333 所以这里其实就是最核心的transform，有了它就可以把自定义的屏幕size和屏幕本身size进行统一，让1440x2960大小屏幕可以 Sign in. Match all (AND) Component 看perfdog的文档也是用surfaceview来计算游戏的帧率的，但是我们通过adb shell dumpsys SurfaceFlinger --latency [LayerNam Sep 19, 2018 · 1 dumpsys命令用法. It always shows 1 for some reason, possibly just saying that the device supports secure pages in general. I currently work on a development board called Odroid-XU3. It allows developers and… Dec 11, 2019 · 测试机型：Pixcel 3a Android10 环境：win10 报错内容： D:\AirtestIDE_2019-09-11_py3_win64\airtest\core\android\static\adb\windows\adb. security. 4) for an embedded device. Drivers are mostly blam Apr 12, 2015 · (1) Assuming you're using OpenGL ES, the app queues up commands to the GL driver, which renders output to a buffer. 0, this command doesn't work. 14 févr. But when I am testing it in a device having android version 8. 2020 à 14:34, Maximilian Kenfenheuer < notifications@github. SurfaceFlinger Apr 11, 2024 · 可以在dumpsys -l中可以找到usb服务，那么用dumpsys usb就可以打印出当前usb相关状态的信息，在从dumpsys. Sometimes it can even be negative, due to issues where RAM being shared across processes is counted more than once. 首先最直接相关的模块是SurfaceFlinger，既然能看到，应该存在该Layer并且进行了合成，否则这里就有问题，用如下命令dump状态信息： adb shell dumpsys SurfaceFlinger. 我在使用reDroid运行游戏+scrcpy串流的时候CPU爆满，虽然 redroid_arm64:/ # dumpsys SurfaceFlinger | grep GLES GLES: Panfrost, Mali-T860 (Panfrost), OpenGL ES 3. 这里就把dumpsys 命令放入到了和--vsync等一样的扩展参数里面。 知乎专栏是一个自由写作和表达平台，让用户随心所欲地分享观点和知识。 Fix use-after-free in SurfaceFlinger::doDump SurfaceFlinger::doDump previously contained two layer traversals, one on the main thread and one off the main thread The SurfaceFlinger dumpsys shows it as: dumpsys SurfaceFlinger | grep missed. 如需分析轨迹文件，请使用 WinScope Web 应用。您可以在源代码的基础上构建此应用，也可以从预构建目录中打开此应用。 Jun 30, 2015 · 文章浏览阅读1. 5 (git-f94151ee80) 指示是使 Jul 5, 2020 · adb exec-out "dumpsys SurfaceFlinger ^| grep GLES" --proto > C:\sf_dump. To get display ids, execute adb shell dumpsys SurfaceFlinger --display-id in the terminal. # adb shell dumpsys SurfaceFlinger --latency <window name> # prints some information about the last 128 frames displayed in # that window. Capture preview After you capture a screenshot or video, this section of the window displays the screenshot or video captured from the device. GPU missed frame count: 513. adb exec-out dumpsys SurfaceFlinger --proto > sf_dump. 回到handleMessageRefresh，继续看Refresh消息的处理。 Dec 25, 2023 · I create a app using default project, but on some device,dumpsys surfaceflinger,it shows my app rotated 18： Display 0 HWC layers Jul 17, 2024 · The Android dumpsys surfaceflinger timestats command provides average FPS and present to present timing histogram for all layers that are being rendered. adb shell dumpsys SurfaceFlinger --list And then get the latency data using --latency. Like this 'dumpsys SurfaceFlinger --latency SurfaceView' – ShehrozEK. See dumpsys. FYI: All of the visible surfaces rendered are composited onto the display by SurfaceFlinger. Native Heap row represents memory used by the process itself (Ex: Native C mallocs). 1 it is redirecting me to the Splash Activity. Nov 7, 2018 · You have to use "SurfaceView" window name. com> a écrit : … unique_session_name: " surfaceflinger_transactions_continuous" buffers: {size_kb: 1024 fill_policy: RING_BUFFER} data_sources: {config {name: " android. exe -P 5037 -s 93FAY0ALWN shell dumpsys SurfaceFlinger D:\AirtestIDE_2019-09-11_py3_win64\airtest\core\android\static\ SurfaceFlinger は、バッファを受け取り、合成して、ディスプレイに送ります。WindowManager は、バッファとウィンドウ メタデータを SurfaceFlinger に提供し、これを使用して SurfaceFlinger がサーフェスを合成してディスプレイに送ります。 首先我们需要理解下dumpsys surfaceflinger的原理，刚好处于需求之前看过dumpsys相关源码. Display 21691504607621632 (HWC display 0): port=0 pnpId=SHP displayName="LQ123P1JX32" Display 9834494747159041 (HWC display 2): port=1 pnpId=HWP displayName="HP Z24i" Display 1886279400700944 (HWC display 1): port=2 pnpId=AUS displayName="ASUS MB16AP" The dumpsys is a tool that runs on the device and dumps interesting information about the status of system services. Here are steps by steps to use the command to collect your game's FPS: Mar 16, 2020 · dumpsys 命令的功能很多，但是有一些对与应用层面来说用不上，比如没有列举的 dumpsys battery（打印电池信息）， 为了提高效率，这里只是把有关UI调试方面的内容列举了一下，更多的还是得看dumpsys的每一个服务提供的功能 You can use dumpsys to generate diagnostic output for all system services running on a connected device. WindowManager는 SurfaceFlinger가 노출 영역을 디스플레이에 합성하는 데 사용하는 버퍼 및 창 메타데이터를 SurfaceFlinger에 제공합니다. Follow go/winscope to learn how to Feb 3, 2018 · 通过 dumpsys SurfaceFlinger 分析Android 系统图层 一、通过 dumpsysSurfaceFlinger 分析Android 系统图层：从下面的dumpsys log看出当前系统有三个图层（红色部分是每个图层的坐标和大小），从最底层到上层分别是ImageWallpaper(壁纸), SurfaceView(视频小窗口), launcher(桌面)。 Nov 6, 2014 · Since columns and rows presented may vary for different versions of 'dumpsys', I'll try to provide some generic overview here Every application in Android runs in different process that is running instance of its own Dalvik VM. The output includes performance information that relates to frames of animation. Feb 19, 2014 · Lost RAM is TotalRAM - FreeRAM - UsedRAM. Jul 29, 2014 · I have two surface views (MediaPlayer and a separate Video renderer). 09 12:59 浏览量：4 简介：本文将带你深入了解adb shell dumpsys SurfaceFlinger命令的使用及其背后的技术原理，帮助你更好地分析Android系统的图形渲染性能。 文章浏览阅读2. 트레이스 파일을 분석하려면 WinScope 웹 앱을 사용합니다. 04. 5ms of CPU time, roughly what I'd expect. The MediaPlayer is the first view, the video renderer is the second one. To debug transient and invalid states that cause animation issues, Winscope aggregates different trace files, provides search and visualization over frames and timelines, and presents protobuf messages in a coherent manner. Apr 24, 2016 · Upper comments give the answer but the output is so big, you can make it short as: for windows run this command in PowerShell: adb shell dumpsys SurfaceFlinger | Select-String -Pattern "OpenGL" for Linux run this command: adb shell dumpsys SurfaceFlinger | grep "OpenGL" Mar 16, 2023 · adb shell dumpsys SurfaceFlinger --list | grep com. tools. chinese AppWindowToken{9f73abf token=Token{3f628de ActivityRecord{879019 u0 com. AdbOutputParseException: Unexpected Jul 7, 2016 · 文章浏览阅读9. cpp中看，usb并没有在longOptions和optstring中定义,那么getopt_long返回-1，退出循环 （注：可以查看man里的解释 If there are no more option characters, getopt() returns -1 ，getopt_long dumpsys-rs is a Rust library for retrieving and dumping service information in an Android system. Sep 23, 2016 · 命令： dumpsys SurfaceFlinger --latency-clear4. 0. Then we should use following command to parse SurfaceFlinger result: May 16, 2022 · 描述问题bug airtest使用的minicap在测试过程中概率出现异常。 2022-05-16_10:21:29. To verify that this feature is supported, run: $ dumpsys SurfaceFlinger --display-id # Example output. The display is a Dell monitor which Nov 19, 2018 · Android图形系统（十）-SurfaceFlinger启动及图层合成送显过程. 4, listing them from most important to least: Apr 8, 2024 · adb shell dumpsys SurfaceFlinger解析. The Surface is a pool / queue of buffers that are shared between a producer and a consumer; in this case, the app is the producer, and SurfaceFlinger the consumer. txt. Finally,i found three ways to get the value. The various functions are non-public and often restricted, so it's unlikely you will be able to do anything useful from an app. dumpsys对应的相关解析可以查看，具体就不介绍了，这里从对应的service开始介绍起来。 麻辣小龙虾：安卓内存计算和部分源码解析 Nov 24, 2018 · Android 调试系列-Dumpsys实战篇. 602-[10:21:29][DEBUG]<airtest. . I tried to use SurfaceFlinger, but somehow it Firstly, we should use adb shell dumpsys SurfaceFlinger | tee surfaceflinger-result. 1k次。一、通过 dumpsysSurfaceFlinger 分析Android 系统图层：从下面的dumpsys log看出当前系统有三个图层（红色部分是每个图层的坐标和大小），从最底层到上层分别是ImageWallpaper(壁纸), SurfaceView(视频小窗口), launcher(桌面)。 Sep 24, 2020 · dumpsys SurfaceFlinger --display-id， 这个能获取display id ,就算虚拟屏，也是建立在真实的屏幕上，如果看dp 由没有显示，就截取实际dp 物理屏的显示就可以。 2-screencap 源码分析 Aug 14, 2018 · SurfaceFlinger appears to be doing nothing when none of the surfaces are updated, as expected. 目前绝大部分帧率统计软件，在网上能找到的各种统计 fps 的脚本，使用的信息来源有两种：一种是基于 dumpsys SurfaceFlinger --latency Layer-name（注意是 Layer 名字，不是包名，不是 Activity 名字，至于为什么，下面会解答）；另一种是基于 dumpsys gfxinfo。 Jul 17, 2024 · The Android dumpsys surfaceflinger timestats command provides average FPS and present to present timing histogram for all layers that are being rendered. The example below shows a snapshot of current application processes on Android 4. However, in Android 7. Build configuration: [sf PRESENT_TIME_OFFSET=0 FORCE_HWC_FOR_RBG_TO_YUV=1 MAX_VIRT_DISPLAY_DIM=4096 RUNNING_WITHOUT_SYNC_FRAMEWORK=0 NUM_FRAMEBUFFER_SURFACE_BUFFERS=3] Display identification data: Display 4630946358012694402 (HWC display 0): port=130 pnpId=QCM displayName="" Wide-Color information: Device has wide color built-in display: 1 Jun 1, 2020 · To quote from an answer for a question-related to android-surfaceflinger. – Abdul Mateen Commented Jan 30, 2023 at 13:12 Learn how to use the adb shell dumpsys SurfaceFlinger command to inspect the graphics composition and rendering on an Android device. surfaceflinger. Feb 13, 2020 · Please dump the result of: - `lshal` - `dumpsys SurfaceFlinger` The later one requires to run on original kernel/dtb Le ven. Display in-depth information regarding the recording session. Total missed frame count: 3704. adb> D:\Users\11138551 Jul 13, 2017 · I use adb command adb shell dumpsys SurfaceFlinger --latency SurfaceView to get the current view's fps data and everything works fine when Android version is lower than 7. winscope 分析跟踪记录 为了调试导致动画问题的瞬态和无效状态，Winscope 会汇总不同的跟踪文件，提供对帧和时间轴的搜索和可视化功能，并以连贯的方式呈现 protobuf 消息。 Aug 1, 2024 · If this method isn't supported or errors out, SurfaceFlinger falls back to the legacy MD mode, where DisplayInfo#address is null and DisplayInfo#uniqueId is hard-coded, as described above. If you're playing a 320x240 video in a SurfaceView , it looks something like this (several columns and lots of other stuff removed for brevity): We would like to show you a description here but the site won’t allow us. Recording continues until Ctrl-C is hit or the time limit is reached. Aug 1, 2024 · Alternatively, use adb shell dumpsys SurfaceFlinger --display-id to dump identification information for all connected displays. There doesn't appear to be any negative performance implications from my testing, and adb shell dumpsys SurfaceFlinger output looks sensible - I'm confident we are still getting directly composited and not causing any additional work. txt to get complete info about SurfaceFlinger service's settings. txt in the current directory. If SurfaceFlinger finds a new buffer, SurfaceFlinger acquires the buffer; if not, SurfaceFlinger continues to use the previously acquired buffer. exceptions. The dumpsys tool runs on the device and dumps interesting information about the status of system services. Android P 图形显示系统（八） SurfaceFlinger合成流程(三) [TOC] SurfaceFlinger合成流程(三) 配置硬件合成 setUpHWComposer. 打开 Settings -> Accessibility -> Color inversion 后冷启动应用会出现闪白屏。 在androidO上该问题是原生问题，但是在androidP上不再是原生问题。 SurfaceFlinger is a service that you communicate with via Binder IPC. Keep in mind that the output can be extensive, and interpreting the information may require familiarity with the Android graphics subsystem. winscope Analyze traces. --help Show this message. The temperature of Advanced search query builder. Apr 8, 2024 · 深入解析adb shell dumpsys SurfaceFlinger 作者： 沙与沫 2024. 6w次，点赞3次，收藏16次。一、通过 dumpsysSurfaceFlinger 分析Android 系统图层：从下面的dumpsys log看出当前系统有三个图层（红色部分是每个图层的坐标和大小），从最底层到上层分别是ImageWallpaper(壁纸), SurfaceView(视频小窗口), launcher(桌面)。 Jul 18, 2023 · dumpsys SurfaceFlinger中的掉帧 每一行都可以通过下面的公式得到一个值，该值是一个标准，我们称为jankflag，如果当前行的jankflag与上一行的jankflag发生改变，那么就叫掉帧。 One is to process images with the GPU before sending them to the display, and the other is to use hardware overlays of the display to bypass the GPU and send images directly to the display. Allocating buffers on demand helps minimize memory consumption. 6. I am working on a project on SurfaceFlinger. If there are any updations in the ADB commands please let me know. Feb 25, 2019 · Saved searches Use saved searches to filter your results more quickly Google Issue Tracker Sign in 各个layer区域的计算结果可以通过adb shell dumpsys SurfaceFlinger看到，通过区域的计算把区域为空的layer过滤掉 区域. See dumpsys SurfaceFlinger --display-id for valid display IDs. cpp Recently, I have started using dumpsys SurfaceFlinger to gather some information about android graphics. Passing the gfxinfo command to dumpsys provides output in Android Studio's logcat pane. Dec 21, 2021 · adb shell dumpsys SurfaceFlinger --latency < VIEW_NAME > 执行获取数据 -----> 计算数据，传输至前端展示 -----> 循环以上. dump时会打印出是HWC合成还是GPU合成，androidO开始HWC换成了Device，GPU换成了Client。 2. It allows developers and When SurfaceFlinger receives the VSYNC signal, SurfaceFlinger walks through its list of layers looking for new buffers. So, when is the "source-crop" area different from "frame Mar 4, 2019 · Android’s SurfaceFlinger is a system service provided on the Android Operating System. The present to present time of a frame is the interval between the current frame and previous frame being drawn. SurfaceFlinger는 버퍼를 받아들이고 버퍼를 구성하며 버퍼를 디스플레이로 보냅니다. dumpsys命令可以dump系统各种服务的状态，因此在平常的开发过程中如果很好的掌握dumpsys的用法，会事半功倍。 1. dumpsys SurfaceFlinger | grep missed. 1 Mesa 22. The latter method performs better, but you are limited to a certain number of layers/overlays (usually 4). See the output format, examples, and tips for debugging and performance analysis. adb exec-out dumpsys SurfaceFlinger --proto > sf_dump. 上一章讲到，应用创建Layer时，流程只跟到SurfaceFlinger，SurfaceFlinger是怎么窗口Layer的，和 Layer和BufferQueue又是怎么关联的，我们接着就来看看。 Layer分两种类型： bNormal Layer，普通Layer，由createBufferLayer创建，由BufferLayer类描述。 Jan 2, 2021 · Edit: Looks like you are trying to get the data for a SurfaceView, so you will need to use the info from dumpsys SurfaceFlinger instead. 3333 这里刚好是1440 / 1080 = 1. That means, it is the difference between the RAM usage that Android is able to compute and the actual available RAM. / services / surfaceflinger / SurfaceFlinger. Dumpsys. We would like to show you a description here but the site won’t allow us. Usage. To dump its state, run the following command. The GLThread in my app only takes ~1. Apr 8, 2024 · 深入解析adb shell dumpsys SurfaceFlinger 作者：有好多问题 2024. --verbose Display interesting information on stdout. SurfaceFlinger的dump信息主要通过dumpAllLocked 函数来获取,因此我们这里就以android 5. What is unexpected is the CPU time required in SurfaceFlinger. Apr 29, 2024 · Buffers are allocated on demand, so if the producer generates buffers slowly enough, such as at 30 fps on a 60 fps display, there might only be two allocated buffers in the queue. keystore appops appwidget assetatlas audio backup battery </pre> We will get pretty long list of services depending of our device and version of android. If you run adb shell dumpsys SurfaceFlinger you can see something a complete list of all the layers that the system compositor knows about. com. See also Static display identifiers . --display-id ID specify the physical display ID to record. The Winscope tool is extremely useful in determining what is happening on-screen in both WindowManager and SurfaceFlinger. fps数据计算. - NetEaseGame/ATX Dump SurfaceFlinger log解析 Build configuration: [sf PRESENT_TIME_OFFSET=0 FORCE_HWC_FOR_RBG_TO_YUV=1 MAX_VIRT_DISPLAY_DIM=4096 RUNNING_WITHOUT_SYNC_FRAMEWORK=0 NUM_FRAMEBUFFER_SURFACE_BUFFERS=3] [libui] [libgui] Display identification data: Display 19261116564980353 (HWC display 0): port=129 pnpId=QCM displayName="xxxxxx 38 0c " Wide-Color information: Device has wide color built-in display Dec 12, 2023 · 介绍. adb shell dumpsys Jun 3, 2024 · 一样在dumpsys SurfaceFlinger堆栈中查找到了如下输出： 在这里插入图片描述 这里看到了一个transform，缩放参数是1. Device: Redmi Note 8 Pro 12. Oct 3, 2016 · I'm currently working on an Android app (4. 0在 We would like to show you a description here but the site won’t allow us. --verbose. Default is the primary display. txt to dump SurfaceFlinger with dumpsys and store the result to file surfaceflinger-result. Jul 14, 2023 · See "dumpsys SurfaceFlinger --display-id" for valid display IDs. Actually, the SurfaceFlinger is a service that plays a critical part in determining what is rendered on the adb shell dumpsys activity service SystemUIService WMShell protolog enable-text TAG adb shell dumpsys activity service SystemUIService WMShell protolog enable-text TAG Winscope Tracing. Feb 1, 2024 · The dumpsys command in the Android Open Source Project (AOSP) is a tool that provides detailed information about system services and other aspects of the Android system. Mar 21, 2022 · 黑屏问题是显示相关的综合性问题，涉及Android应用层、框架层和底层SurfaceFlinger、屏显等多个领域。下面有一些基础的判断来定位黑屏问题的归属：(1) 屏幕没有亮屏、背光为0则需先从power、屏显角度分析(2) 屏幕黑屏，但可以进行三指截屏、power键+音量下键截屏，并且截图正常显示(非黑图)，则需先 Dec 3, 2012 · Is the format of the dumpsys output exactly the same for each android device? As in is it safe to read the output of the dump service in an app and perform exact string matching to parse the data 目前绝大部分帧率统计软件，在网上能找到的各种统计 fps 的脚本，使用的信息来源有两种：一种是基于 dumpsys SurfaceFlinger --latency Layer-name（注意是 Layer 名字，不是包名，不是 Activity 名字，至于为什么，下面会解答）；另一种是基于 dumpsys gfxinfo。其实这两种深究 To get a feel for just how different process management is on Android, you can take a look at the output of an important system service, the activity manager, with adb shell dumpsys activity. SurfaceFlinger must always display something, so it hangs on to one buffer. graphic_log 1 . 可通过dumpsys命令查询系统服务的运行状态(对象的成员变量属性值)，命令格式：dumpsys 服务名， 例如： dumpsys activity #查询AMS服务相关信息 dumpsys window #查询WMS服务相关信息 dumpsys cpuinfo #查询CPU情况 dumpsys meminfo #查询内存情况 Aug 8, 2015 · I get the frame information of a running application through dumpsys SurfaceFlinger --latency SurfaceView. Here are steps by steps to use the command to collect your game's FPS: Apr 4, 2013 · One thing to note though is that this dumpsys command runs only within a command-line ADB shell and does not run programmatically because only system apps have access to it. Benefits of “dumpsys”: Jul 21, 2016 · Recently,i studied to how to record fps value of games in android devices. 1. In particular, the SurfaceView section has a sub-section on use of the hardware scaler that addresses this, but I recommend reading the full thing if you want to understand the details. 3k次。对于很多Android的显示问题,我们需要使用adb shell dumpsys SurfaceFlinger命令来获取SurfaceFlinger的dump信息,这对于我们分析问题有很大的帮助,因此我们这里来详细讲解下SurfaceFlinger的dump. 8 May 5, 2022 · 需要依赖dumpsys SurfaceFlinger输出的Display 0 HWC layers:下面这段信息，判断当前activity上有多少个focus的SurfaceView，在用--latency Jan 11, 2021 · Description I am using this library to merge two videos into one. 在Android开发中，adb shell dumpsys SurfaceFlinger是一个非常有用的命令，它允许开发者或系统管理员查看SurfaceFlinger的状态和详细信息。SurfaceFlinger是Android的图形合成器，负责将应用程序的UI元素渲染到屏幕上。 dumpsys は、Android デバイス上で動作し、システム サービスに関する情報を提供するツールです。Android Debug Bridge（ADB）を使用してコマンドラインから dumpsys を呼び出すと、接続されたデバイスで実行されるすべてのシステム サービスの診断情報を出力できます。 Oct 26, 2023 · I am working on an issue and for that I had to look into dumpsys of SurfaceFlinger. If you specify an association for a specific input device and the corresponding display isn't present in the system, the input device is disabled until the respective display appears. The output of dumpsys includes a plethora of details about the device’s internal workings, which can be invaluable for debugging and optimization tasks. You can get the surface name from. AdbOutputParseException: Unexpected output of 'dumpsys SurfaceFlinger' command: no GL extensions found. 0) for the User interface, and a native Video player which depends of a SurfaceView. Source: https: Sep 9, 2014 · SurfaceFlinger Dump of SERVICE SurfaceFlinger Find more information about dumpsys 1 adb shell dumpsys SurfaceFlinger Frame Latency Prints information … We would like to show you a description here but the site won’t allow us. HWC missed frame count: 3670. Apr 18, 2011 · Source crop & Frame values in dumpsys SurfaceFlinger output. 3w次，点赞8次，收藏34次。对于很多Android的显示问题,我们需要使用adb shell dumpsys SurfaceFlinger命令来获取SurfaceFlinger的dump信息,这对于我们分析问题有很大的帮助,因此我们这里来详细讲解下SurfaceFlinger的dump. winscope 三、分析轨迹. Total missed frame count: 3633. core. It is true that few of the Android service developers included some limited logging excerpts into their dumpsys output but virtually none of them implemented a way to clear those logs. adb shell dumpsys SurfaceFlinger. see "dumpsys SurfaceFlinger --display-id" for valid display IDs. Aug 1, 2024 · SurfaceFlinger accepts buffers, composes buffers, and sends buffers to the display. SurfaceFlinger is an Android system service, responsible for compositing all the application and system surfaces into a single buffer that is finally to be displayed by the display controller. cpp in the platform for more Smart phone automation tool. There I am seeing there are two composition types, DEVICE and CLIENT. Jan 6, 2023 · dumpsys is mostly for reporting the current state and some more advanced things. SurfaceFlinger. The output of dumpsys SurfaceFlinger --display-id is a bit longer, therefore you can filter out the display ids: dumpsys SurfaceFlinger --display-id | grep display_id On my device I only have one display with display_id=0. yqeom bufzwm uybezk tvgzq wvbplgghx tdt uiphp hvcvuii gcskkj gnt