mouse cursor

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mouse cursor

580件の閲覧回数
weikeng-jimmy
Contributor III

Hi Sir,

           My customer found that when moving cursor , CPU usage will pull high dramatically (over 50%)

 He want to know is HW or SW decode when moving cursor .

Thanks!

Environment : IMX6 DL  Android 6.0.1_2.1.0

moving cursor :

CPU0: 54.2% usr 18.2% sys 0.2% nic 25.2% idle 0.0% io 0.0% irq 0.0% sirq

CPU1: 50.3% usr 14.1% sys 0.1% nic 34.5% idle 0.0% io 0.0% irq 0.0% sirq

Load average: 2.32 0.83 0.30 2/452 1195

[7m  PID  PPID USER     STAT   VSZ  %VSZ  CPU  %CPU COMMAND[0m

  527   231 system   S <  1527m 153.3    1  43.4 system_server

  217     1 system   D <   174m  17.6    1   8.5 /system/bin/surfaceflinger

  891   231 u0_a10   S    1464m 147.0    0   5.1 {ndroid.launcher} com.android.

  604   231 u0_a18   S     984m  98.8    0   4.3 {ndroid.systemui} com.android.

   94     2 root     SW       0   0.0    1   0.6 [kworker/1:3]

not moving:

CPU0: 24.2% usr 8.7% sys 0.0% nic 65.3% idle 1.2% io 0.0% irq 0.0% sirq
CPU1: 22.6% usr 7.6% sys 0.0% nic 70.1% idle 0.0% io 0.0% irq 0.0% sirq
Load average: 1.48 0.68 0.26 1/463 1214
[7m PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND [0m
599 226 u0_a18 S 992m 99.6 1 7.1 {ndroid.systemui} com.android.
525 226 system S < 1549m 155.5 1 6.7 system_server
1201 213 root R 3388 0.3 0 2.9 toybox top

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351件の閲覧回数
b36401
NXP Employee
NXP Employee

I see surfaceflinger process takes significant CPU usage in case of cursor movement.
Please make sure that hardware cursor drawing is enabled. Display Processor of i.MX has an option for hardware cursor.

Have a great day,
Victor

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