DisplayManagerService服务

使用帮助
# hidumper -s DisplayManagerService

-------------------------------[ability]-------------------------------


----------------------------------DisplayManagerService----------------------------------
Usage:
 -h                          |help text for the tool
 -s -a                       |dump all screen information in the system
 -d -a                       |dump all display information in the system
 -s {screen id}              |dump specified screen information
 -d {display id}             |dump specified display information

# 查看所有的display信息
# hidumper -s DisplayManagerService -a '-d -a'

# 查看所有的屏幕信息
# hidumper -s DisplayManagerService -a '-s -a'

5.1.0 dayu200 双屏异显（5.1.0双屏异显无bug）

RenderService服务

同理hidumper -s RenderService可以查看帮助信息

# hidumper -s RenderService

-------------------------------[ability]-------------------------------


----------------------------------RenderService----------------------------------
------ Graphic2D--RenderSerice ------
Usage:
dumpNode                      |dump render node info
dumpExistPidMem               |dumpExistPidMem [pid], dump exist pid mem info
allInfo                       |dump all info
clearFpsCount                 |clear the refresh rate counts info
gles                          |inquire gpu info
flushJankStatsRs              |flush rs jank stats hisysevent
fpsCount                      |dump the refresh rate counts info
hitchs                        |[windowname] hitchs, dump the hitchs info of window
surfacenode                   |surfacenode [id]
dumpMem                       |dump Cache
nodeNotOnTree                 |dump nodeNotOnTree info
surface                       |dump all surface information
trimMem                       |dump trim Mem info
RSTree                        |dump RS Tree info
fps                           |[windowname] fps, dump the fps info of window
fpsClear                      |[surface name]/composer fpsClear, clear the fps info
EventParamList                |dump EventParamList info
MultiRSTrees                  |dump multi RS Trees info
allSurfacesMem                |dump surface mem info
client                        |dump client ui node trees
screen                        |dump all screen infomation in the system
rsLogFlag                     |set rs log flag
h                             |help text for the tool

以5.1.0 为例

# 查看screen屏幕信息
hidumper -s RenderService -a screen

参考资料

https://gitcode.com/openharmony/docs/blob/master/zh-cn/device-dev/subsystems/subsys-dfx-hidumper.md
https://laval.csdn.net/6583db9128cf1d21b51fbb6d.html