4. adb logcat

adb logcat 打印安卓运行日志

Seven:~ Seven$ adb logcat
* daemon not running. starting it now on port 5037 *
adb I  8294 153954 usb_osx.cpp:259] Found vid=2207 pid=0006 serial=c393d94d2c838e2d
adb I  8294 153954 usb_osx.cpp:259]
* daemon started successfully *
--------- beginning of kernel
08-04 17:00:02.966     0     0 I         : Booting Linux on physical CPU 0x0000000000 [0x412fd050]
08-04 17:00:02.966     0     0 I         : Linux version 4.19.219 (seven@home) (gcc version 6.3.1 20170404 (Linaro GCC 6.3-2017.05), GNU ld (Linaro_Binutils-2017.05) 2.27.0.20161019) #45 SMP PREEMPT Sat Mar 26 15:25:44 CST 2022
08-04 17:00:02.966     0     0 I Machine model: Rockchip RK3566 EVB1 DDR4 V10 Board
.....................

adb logcat 打印过滤器：

adb logcat *:V  

过滤只打印 优先级 大于 Verbose Level的日志

adb logcat *:D 

过滤只打印 优先级 大于 Debug Level的日志

adb logcat *:I 

过滤只打印 优先级 大于 Info Level的日志

adb logcat *:W 

过滤只打印 优先级 大于 Warning Level的日志

adb logcat *:E

过滤只打印 优先级 大于 Error Level的日志

adb logcat *:F 

过滤只打印 优先级 大于 Fatal Level的日志

adb logcat *:S 

不静默slient，不打印任何日志

adb logcat 参数指令

adb logcat -b radio

打印 radio/telephony 相关的日志信息

adb logcat -b event 

打印 events 相关的日志信息

adb logcat -b main 

默认状态，和adb logcat 效果一样，打印系统所有日志信息

adb logcat -c 

清除缓存里的所有日志信息并退出

adb logcat -d 

打印缓存里的所有日志并退出，和adb logcat 外加Ctrl+C效果一样。

adb logcat -f test.txt

将缓存里的所有日志保存到test.txt文件里

adb logcat -g

130|rk3566_r:/ # logcat -g
main: ring buffer is 256 KiB (243 KiB consumed), max entry is 5120 B, max payload is 4068 B
system: ring buffer is 256 KiB (234 KiB consumed), max entry is 5120 B, max payload is 4068 B
crash: ring buffer is 256 KiB (0 B consumed), max entry is 5120 B, max payload is 4068 B
kernel: ring buffer is 256 KiB (60 KiB consumed), max entry is 5120 B, max payload is 4068 B
rk3566_r:/ #

打印不同模块的相关信息

adb logcat -v 设置打印头部信息

adb logcat -v brief

rk3566_r:/ # logcat -v brief
--------- beginning of kernel
D/logd    (    0): logdr: UID=0 GID=0 PID=2056 b tail=0 logMask=99 pid=0 start=0ns timeout=0ns
^C
130|rk3566_r:/ #

打印 等级/进程名称 (进程ID)

adb logcat -v process

130|rk3566_r:/ # logcat -v process
--------- beginning of kernel
D(    0) logdr: UID=0 GID=0 PID=2056 b tail=0 logMask=99 pid=0 start=0ns timeout=0ns  (logd)

只打印 进程 ID号

adb logcat -v tag

130|rk3566_r:/ # logcat -v tag
--------- beginning of kernel
D/logd    : logdr: UID=0 GID=0 PID=2056 b tail=0 logMask=99 pid=0 start=0ns timeout=0ns

只打印 等级/进程

adb logcat -v raw

130|rk3566_r:/ # logcat -v raw
--------- beginning of kernel
logdr: UID=0 GID=0 PID=2056 b tail=0 logMask=99 pid=0 start=0ns timeout=0ns

不打印任何头部信息

adb logcat -v time

130|rk3566_r:/ # logcat -v time
--------- beginning of kernel
03-26 16:11:45.561 D/logd    (    0): logdr: UID=0 GID=0 PID=2056 b tail=0 logMask=99 pid=0 start=0ns timeout=0ns

打印 时间日期 等级/进程名称 （进程ID）

adb logcat -v threadtime

130|rk3566_r:/ # logcat -v threadtime
--------- beginning of kernel
03-26 16:11:45.561     0     0 D logd    : logdr: UID=0 GID=0 PID=2056 b tail=0 logMask=99 pid=0 start=0ns timeout=0ns

打印 时间日期 父进程ID 进程ID 等级 进程名称

adb logcat -v long

打印所有头部信息。

1. adb devices

2. adb kill-server

3. adb connect

4. adb logcat

5. adb root

6. adb pull

7. adb push

8. adb install

9. adb uninstall

10. adb forward

11. adb shell getprop

12. adb shell setprop

13. adb shell screencap

14. adb shell screenrecord

15. adb shell dumpsys

16. adb shell dumpstate

17. adb shell pm list packages