รวบรวมข้อมูลประสิทธิภาพ

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default > /tmp/carwatchdog_dump.txt

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default --start_perf [--interval <seconds>] [--max_duration <seconds>] [--filter_packages <package_name>,<package_name>,...]

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default --start_perf --interval 10 --max_duration 3600 --filter_packages com.google.android.car.kitchensink,com.google.android.apps.maps

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default --stop-perf > /tmp/carwatchdog_custom_dump.txt

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default --help

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default --proto

adb shell dumpsys android.automotive.watchdog.ICarWatchdog/default

---------------------------------
WatchdogPerfService report:
---------------------------------
Boot-time collection information:
=================================
Event polling interval: 1 second

Wake-up collection information:
===============================
Event polling interval: 1 second

User-switch collection information:
===================================
Event polling interval: 1 second

Periodic collection information:
================================
Event polling interval: 60 seconds
---------------------------------------------------------------------------
Boot-time performance report:
=================================
No collection recorded
---------------------------------------------------------------------------
Wake-up performance report:
===========================
No collection recorded
---------------------------------------------------------------------------
User-switch events performance report:
======================================
No collection recorded
---------------------------------------------------------------------------
Last N minutes performance report:
======================================
Collection duration: 10800 seconds
Number of collections: 181

Collection 0: <Mon Oct  2 18:36:06 2023 GMT>
=============================================
Total CPU time (ms): 473210
Total CPU cycles: 39553152000
Total idle CPU time (ms)/percent: 435860 / 92.11%
CPU I/O wait time (ms)/percent: 0 / 0.00%
Number of context switches: 13723415093
Number of I/O blocked processes/percent: 0 / 0.00%

Top N CPU Times:
----------------
Android User ID, Package Name, CPU Time (ms), Percentage of total CPU time, CPU Cycles
    Command, CPU Time (ms), Percentage of UID's CPU Time, CPU Cycles
10, com.google.android.carassistant, 13357, 2.82%, 16409088000
    assistant:interactor, 13360, 100.02%, 16409088000
0, system, 9097, 1.92%, 9640512000
    sensors@1.0-ser, 3790, 41.66%, 3773184000
    system_server, 2760, 30.34%, 3135936000
    com.android.car, 1150, 12.64%, 1099584000
    binder:621_4, 1000, 10.99%, 1281024000
    surfaceflinger, 230, 2.53%, 245376000
0, audioserver, 4383, 0.93%, 4597248000
    Main, 2690, 61.37%, 2980416000
    binder:916_2, 950, 21.67%, 925056000
    audioserver, 720, 16.43%, 691776000
0, root, 4357, 0.92%, 3727872000
    irq/311-iam2068, 2630, 60.36%, 2471616000
    irq/26-90b6400., 370, 8.49%, 561024000
    kworker/u16:4-bwmon_wq, 290, 6.66%, 48960000
    kworker/u16:1-memlat_wq, 270, 6.20%, 0
    ipcdaemon, 220, 5.05%, 218304000
10, com.google.android.apps.geo.automotive.adas, 1509, 0.32%, 1756416000
    adas:publishing, 1490, 98.74%, 1735680000
    as:clientparams, 10, 0.66%, 20736000
0, com.android.vending, 796, 0.17%, 765504000
    android.vending, 790, 99.25%, 765504000
0, shared:com.google.uid.shared, 581, 0.12%, 481152000
    google.android.gms, 340, 58.52%, 237312000
    .gms.persistent, 190, 32.70%, 184512000
    process.gservices, 50, 8.61%, 59328000
0, gps, 507, 0.11%, 659136000
    binder:920_2, 500, 98.62%, 659136000
10, com.android.vending, 489, 0.10%, 372288000
    android.vending, 480, 98.16%, 372288000
0, shared:android.uid.systemui, 438, 0.09%, 449856000
    android.systemui, 440, 100.46%, 449856000

Top N Storage I/O Reads:
-------------
Android User ID, Package Name, Foreground Bytes, Foreground Bytes %, Foreground Fsync, Foreground Fsync %, Background Bytes, Background Bytes %, Background Fsync, Background Fsync %
0, root, 56123392, 81.95%, 1, 100.00%, 0, 0.00%, 0, 0.00%
0, system, 12333056, 18.01%, 0, 0.00%, 0, 0.00%, 0, 0.00%

Top N Storage I/O Writes:
-------------------------
Android User ID, Package Name, Foreground Bytes, Foreground Bytes %, Foreground Fsync, Foreground Fsync %, Background Bytes, Background Bytes %, Background Fsync, Background Fsync %
0, com.android.vending, 0, 0.00%, 0, 0.00%, 520192, 46.35%, 20, 47.62%
10, com.android.vending, 0, 0.00%, 0, 0.00%, 520192, 46.35%, 20, 47.62%
10, shared:com.google.uid.shared, 0, 0.00%, 0, 0.00%, 45056, 4.01%, 0, 0.00%
0, shared:com.google.uid.shared, 0, 0.00%, 0, 0.00%, 36864, 3.28%, 2, 4.76%
0, logd, 24576, 40.00%, 0, 0.00%, 0, 0.00%, 0, 0.00%
0, root, 20480, 33.33%, 0, 0.00%, 0, 0.00%, 0, 0.00%
0, system, 16384, 26.67%, 0, 0.00%, 0, 0.00%, 0, 0.00%

Top N I/O waiting UIDs:
-----------------------
Android User ID, Package Name, Number of owned tasks waiting for I/O, Percentage of owned tasks waiting for I/O
    Command, Number of I/O waiting tasks, Percentage of UID's tasks waiting for I/O
0, root, 2, 0.39%
    dp_hdcp2p2, 1, 50.00%
    hdcp_2x, 1, 50.00%

Top N major page faults:
------------------------
Android User ID, Package Name, Number of major page faults, Percentage of total major page faults
    Command, Number of major page faults, Percentage of UID's major page faults
0, com.android.vending, 104, 48.83%
    android.vending, 104, 100.00%
10, com.android.vending, 104, 48.83%
    android.vending, 104, 100.00%
0, shared:com.google.uid.shared, 4, 1.88%
    .gms.persistent, 4, 100.00%
10, shared:com.google.uid.shared, 1, 0.47%
    .gms.persistent, 1, 100.00%
Number of major page faults since last collection: 213
Percentage of change in major page faults since last collection: 0.00%