dumpsys 查看android 常用的service
1.dumpsys window:
可以查看window stack,wallpaper等情况
2.dumpsys activity
可以查看所有activity service的情况
dumpsys activity oom 可以看到oom adj 信息
3.dumpsys SurfaceFlinger
可以查看各个layer 的情况
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1.显示相关service;
SurfaceFlingerdisplay
gfxinfo
window
activity
wallpaper
2.多媒体相关：
media.player
media.audio_flinger
media.audio_policy
media.camera
3.输入相关：
input
input_method
4.常用的service
package
meminfo
mount
notification
account
alarm
audio
cpuinfo
dbinfo
device_policy
power
sensorservice
statusbar
usagestats
usb
user
wifi
wifip2p
5.查看各个service 的状态，每个service的状态都保存在init.svc.service_name 系统属性里，可以通过以下命令查看：
shell@android:/data # getprop | grep init.svc
[init.svc.adbd]: [stopped]
[init.svc.bootanim]: [stopped]
[init.svc.zygote]: [running]
adb shell dumpsys | grep
"DUMP OF SERVICE"
7. AudioPolicyService 查看，各个audio stream 的音量情况
dumpsys media.audio_policy
PolicyManager Interface: 0xb7775e40
Command Thread: 0xb77757b0
Tones Thread: 0xb7775480
AudioCommandThread 0xb77757b0 Dump
- Commands:
Command Time Wait pParam
Last Command
03 000335.810 1 0xb77966f8
AudioCommandThread 0xb7775480 Dump
- Commands:
Command Time Wait pParam
Last Command
-1 000007.373 0 0x0
AudioPolicyManager Dump: 0xb7775ee8
Primary Output: 2
A2DP device address:
SCO device address:
USB audio ALSA
Output devices: 00000403
Input devices: 00000084
Phone state: 0
Force use for communications 0
Force use for media 0
Force use for record 0
Force use for dock 8
Force use for system 0
HW Modules dump:
- HW Module 1:
- name: primary
- handle: 1
- outputs:
output 0:
- sampling rates: 44100
- channel masks: 0x0003
- formats: 0x00000001
- devices: 0x107f
- flags: 0x0002
- inputs:
input 0:
- sampling rates: 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
- channel masks: 0x0010, 0x000c
- formats: 0x00000001
- devices: 0x8000009c
- flags: 0x0000
- HW Module 2:
- name: virtualaudio
- handle: 3
- inputs:
input 0:
- sampling rates: 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000
- channel masks: 0x0010, 0x000c
- formats: 0x00000001
- devices: 0x80000010
- flags: 0x0000
- HW Module 3:
- name: a2dp
- handle: 4
- outputs:
output 0:
- sampling rates: 44100
- channel masks: 0x0003
- formats: 0x00000001
- devices: 0x0380
- flags: 0x0000
- HW Module 4:
- name: usb
- handle: 5
- outputs:
output 0:
- sampling rates: 44100
- channel masks: 0x0003
- formats: 0x00000001
- devices: 0x2000
- flags: 0x0000
output 1:
- sampling rates: 44100
- channel masks: 0x0003
- formats: 0x00000001
- devices: 0x4000
- flags: 0x0000
- inputs:
input 0:
- sampling rates: 8000, 11025, 16000, 22050, 32000, 44100, 48000
- channel masks: 0x0010
- formats: 0x00000001
- devices: 0x80001000
- flags: 0x0000
- HW Module 5:
- name: r_submix
- handle: 6
- outputs:
output 0:
- sampling rates: 48000
- channel masks: 0x0003
- formats: 0x00000001
- devices: 0x8000
- flags: 0x0000
- inputs:
input 0:
- sampling rates: 48000
- channel masks: 0x000c
- formats: 0x00000001
- devices: 0x80000100
- flags: 0x0000
- HW Module 6:
- name: hdmi
- handle: 7
- outputs:
output 0:
- sampling rates: 48000
- channel masks: 0x0003
- formats: 0x00000001
- devices: 0x0400
- flags: 0x0000
output 1:
- sampling rates: 48000
- channel masks: 0x003f
- formats: 0x00000001
- devices: 0x0400
- flags: 0x0001
output 2:
- sampling rates: 32000, 44000, 48000, 88200, 96000
- channel masks: 0x063f
- formats: 0x00000001
- devices: 0x0400
- flags: 0x0001
output 3:
- sampling rates: 48000, 44100, 32000, 192000, 88200, 96000
- channel masks: 0x0003
- formats: 0x08000000, 0x09000000, 0x0a000000, 0x0b000000
- devices: 0x0400
- flags: 0x0001
Outputs dump:
- Output 2 dump:
Sampling rate: 48000
Format: 00000001
Channels: 00000003
Latency: 85
Flags 00000002
Devices 00000002
Stream volume refCount muteCount
00 0.582 00 00
01 0.501 00 00
02 1.000 00 00
03 0.425 00 00
04 0.596 00 00
05 1.000 00 00
06 -1.000 00 00
07 0.501 00 00
08 0.501 00 00
09 0.425 00 00
- Output 8 dump:
Sampling rate: 48000
Format: 00000001
Channels: 00000003
Latency: 85
Flags 00000000
Devices 00000400
Stream volume refCount muteCount
00 0.582 00 00
01 0.278 00 00
02 0.367 00 00
03 1.000 00 00
04 0.596 00 00
05 0.367 00 00
06 -1.000 00 00
07 0.278 00 00
08 0.290 00 00
09 0.425 00 00
- Output 9 dump:
Sampling rate: 48000
Format: 00000001
Channels: 00000003
Latency: 85
Flags 00000000
Devices 00000402
Stream volume refCount muteCount
00 0.582 00 00
01 0.501 00 00
02 1.000 00 00
03 0.425 00 00
04 0.596 00 00
05 1.000 00 00
06 -1.000 00 00
07 0.501 00 00
08 0.501 00 00
09 0.425 00 00
Inputs dump:
Streams dump:
Stream Can be muted Index Min Index Max Index Cur [device : index]...
00 true 00 05 40000000 : 04,
01 true 00 07 0002 : 07, 40000000 : 05,
02 true 00 07 0002 : 07, 40000000 : 05,
03 true 00 15 0004 : 10, 0008 : 10, 40000000 : 11,
04 true 00 07 40000000 : 06,
05 true 00 07 0002 : 07, 40000000 : 05,
06 true 00 15 40000000 : 07,
07 true 00 07 0002 : 07, 40000000 : 05,
08 true 00 15 0002 : 15, 40000000 : 11,
09 true 00 15 0004 : 10, 0008 : 10, 40000000 : 11,
Total Effects CPU: 0.000000 MIPS, Total Effects memory: 0 KB
Registered effects: