Question

我用过，adb shell dumpsys gfxinfo

为什么我的应用信息没有关于Draw，Process，Execute adb shell dumpsys gfxinfo？我不明白为什么要清空这些统计数据。请帮帮我。

** Graphics info for pid 3213 [com.kabam.marvelbattle] **

Recent DisplayList operations
  Save
  ClipRect
  DrawDisplayList
    DrawPatch
    Save
    ClipRect
    Translate
    DrawPatch
    DrawDisplayList
      DrawText
    RestoreToCount
  DrawDisplayList
  RestoreToCount
DrawRect
DrawPatch
DrawPatch
DrawText
DrawDisplayList
  DrawDisplayList
    DrawDisplayList
      DrawRect
      Save
  ClipRect
  DrawDisplayList
    DrawPatch
    Save
    ClipRect
    Translate
    DrawPatch
    DrawDisplayList
      DrawRect
      DrawText
    RestoreToCount
  DrawDisplayList
  RestoreToCount
DrawRect
DrawPatch
DrawPatch
DrawRect
DrawText
SetupShader
DrawRect
ResetShader
DrawDisplayList
  DrawDisplayList
DrawDisplayList
  DrawDisplayList
    DrawColor
DrawRect
DrawColor

Caches:
Current memory usage / total memory usage (bytes):
  TextureCache            30052 / 75497472
  LayerCache                  0 / 50331648
  RenderBufferCache           0 /  8388608
  GradientCache               0 /  1048576
  PathCache                   0 / 33554432
  TextDropShadowCache         0 /  6291456
  PatchCache                768 /   131072
  FontRenderer 0 A8     1048576 /  1048576
  FontRenderer 0 RGBA         0 /        0
  FontRenderer 0 total  1048576 /  1048576
Other:
 FboCache                    0 /       16
Total memory usage:
  1079396 bytes, 1.03 MB

Profile data in ms:
com.kabam.marvelbattle/com.explodingbarrel.Activity/android.view.ViewRootImpl@41a7df30
    Draw    Process Execute

View hierarchy:

  com.kabam.marvelbattle/com.explodingbarrel.Activity/android.view.ViewRootImpl@41a7df30

6个视图，0.22 kB显示列表，5个渲染帧

Total ViewRootImpl: 1
Total Views:        6
Total DisplayList:  0.22 kB

Answer 1

在AOSP中存在几种如何呈现UI的方法：

基于诸如SKIA的CPU库
基于HW加速库 - 例如HWUI

对于上面的日志，输出意味着 - 您的Activity不使用加速的HWUI - 您的Activity的视图中没有分配HardwareRenderer实现。 dumpGfxInfo（）API 实现在此处无需输出 - 请参阅sources

以下是相关问题How to enable skia with GPU backend on JB - 启用HWUI利用

为什么我的应用信息没有关于Draw，Process，Execute adb shell dumpsys gfxinfo

1 个答案: