이번에 안드로이드 앱 최적화를 위해 책을 한 권 구입했고 메모리 관련 참조를 하기 위해 저자가 adb 명령어를 활용하는 걸 봤다. (adb shell)

처음엔 단순히 안드로이드 스튜디오 터미널에서 adb를 사용할 수 있을거라 생각했는데 명령어를 인식하지 않았고

서치를 해서 맥 터미널에서 adb를 사용하는 방법을 찾았고, 나는 제시된 방법중에 안드로이드 스튜디오가 설치되어 있을때의 방법을 따랐다.

Option 3 - If you already have Android Studio installed

Add platform-tools to your path

echo 'export ANDROID_HOME=/Users/$USER/Library/Android/sdk' >> ~/.bash_profile
echo 'export PATH=${PATH}:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools' >> ~/.bash_profile

Refresh your bash profile (or restart your terminal app)
```
source ~/.bash_profile
```
Start using adb
```
adb devices
```

아래는 위 과정을 모두 수행해준 뒤, 디바이스를 연결하고 터미널에서 adb 를 사용해 dumpsys meminfo라는 명령어를 수행해 준 결과이다.

수행되고 있는 프로세스와 각각 사용하고 있는 메모리 양, 기기의 총 램과 사용하고 있는 램, free 램 등을 표시해주고 있다.

Seongs-iMac:FootBalance seonghwanchoi$ adb shell

a3xeltekx:/ $

a3xeltekx:/ $ dumpsys meminfo

Applications Memory Usage (in Kilobytes):

Uptime: 212648676 Realtime: 419990496

Total PSS by process:

184,384K: system (pid 2671)

117,114K: com.android.systemui (pid 3067 / activities)

106,383K: com.google.android.gms.persistent (pid 12217)

91,600K: com.google.android.gms (pid 12241)

64,148K: com.sec.android.inputmethod (pid 10296)

57,643K: com.microsoft.skydrive (pid 3746)

50,214K: com.sec.android.app.launcher (pid 15670 / activities)

49,183K: com.kakaobank.channel (pid 1307 / activities)

39,193K: com.android.phone (pid 3428)

36,261K: com.google.android.apps.photos (pid 4120)

28,962K: com.samsung.android.MtpApplication (pid 3363 / activities)

28,613K: com.rsupport.mvagent (pid 20518)

26,025K: com.sec.imsservice (pid 3415)

25,306K: jp.naver.line.android (pid 20324)

23,311K: com.ktmusic.geniemusic:audio (pid 14445)

21,002K: com.instagram.android:mqtt (pid 13210)

17,979K: com.android.vending (pid 31751)

17,808K: com.kakao.talk (pid 1243)

14,796K: com.google.android.googlequicksearchbox:search (pid 30655)

14,589K: com.android.bluetooth (pid 3009)

12,877K: com.gsr.gs25 (pid 4095)

12,711K: com.ktcs.whowho (pid 29242)

12,478K: com.samsung.android.providers.context (pid 3801)

12,259K: android.process.acore (pid 3523)

11,984K: com.makeshop.podbbang (pid 15226)

11,559K: android.process.media (pid 3324)

11,182K: com.sec.spp.push:RemoteDlcProcess (pid 19843)

10,832K: cameraserver (pid 2303)

9,985K: perfd (pid 3580)

9,936K: com.sec.spp.push (pid 16231)

9,854K: mediaserver (pid 2316)

9,660K: surfaceflinger (pid 2224)

9,357K: com.hanabank.ebk.channel.android.hananbank (pid 31063)

9,262K: logd (pid 2125)

8,911K: com.samsung.android.calendar (pid 25672)

8,615K: rild (pid 2309)

8,598K: audioserver (pid 2298)

8,554K: com.android.nfc (pid 3402)

7,491K: com.rsupport.mvagent:widget (pid 19673)

7,412K: com.olleh.android.oc2 (pid 32222)

6,718K: com.google.process.gapps (pid 3710)

6,089K: com.samsung.android.communicationservice (pid 24422)

6,010K: com.hanafn.push.agent (pid 19771)

5,886K: com.google.android.googlequicksearchbox:interactor (pid 739)

5,863K: com.android.settings:QuickSettingsTile (pid 3240)

5,699K: com.samsung.android.scloud:autobackupmgr (pid 29805)

5,364K: com.samsung.android.scloud (pid 26743)

5,082K: media.extractor (pid 2315)

5,014K: media.codec (pid 2313)

4,958K: com.google.android.ext.services (pid 3616)

4,716K: com.samsung.android.smartface (pid 4065)

4,185K: com.ims.dm (pid 29583)

3,817K: com.android.printspooler (pid 4013)

3,588K: com.sec.sve (pid 3381)

3,385K: com.sec.phone (pid 3606)

3,379K: imsd (pid 2291)

3,346K: zygote (pid 2272)

3,291K: mediadrmserver (pid 2314)

3,213K: com.samsung.android.SettingsReceiver (pid 3975)

2,906K: gpsd (pid 2292)

2,534K: netd (pid 2317)

2,445K: /init (pid 1)

2,416K: vold (pid 2151)

1,703K: mcDriverDaemon (pid 2150)

1,700K: wpa_supplicant (pid 24718)

1,682K: adbd (pid 2273)

1,596K: installd (pid 2311)

1,566K: ueventd (pid 1449)

1,533K: drmserver (pid 2285)

1,137K: jackservice (pid 2288)

960K: sdp_cryptod (pid 2297)

959K: lmkd (pid 2222)

843K: keystore (pid 2312)

815K: smdexe (pid 2310)

799K: at_distributor (pid 2326)

787K: connfwexe (pid 2308)

748K: dumpsys (pid 4201)

744K: tlc_server (pid 2844)

723K: gatekeeperd (pid 2325)

596K: androidshmservice (pid 2337)

582K: apaservice (pid 2287)

572K: logcat (pid 3553)

542K: auditd (pid 2277)

539K: servicemanager (pid 2223)

527K: sh (pid 4196)

516K: ss_conn_daemon (pid 2283)

499K: sh (pid 3578)

497K: diagexe (pid 2293)

488K: otp_server (pid 2869)

465K: edmaudit (pid 2284)

460K: cbd (pid 2294)

433K: ddexe (pid 2307)

432K: healthd (pid 2219)

352K: sdcard (pid 3515)

348K: sdcard (pid 3025)

338K: iod (pid 3635)

332K: cs (pid 2226)

294K: debuggerd (pid 2149)

294K: debuggerd:signaller (pid 2160)

210K: watchdogd (pid 2225)

208K: argosd (pid 2290)

Total PSS by OOM adjustment:

125,038K: Native

10,832K: cameraserver (pid 2303)

9,985K: perfd (pid 3580)

9,854K: mediaserver (pid 2316)

9,660K: surfaceflinger (pid 2224)

9,262K: logd (pid 2125)

8,615K: rild (pid 2309)

8,598K: audioserver (pid 2298)

5,082K: media.extractor (pid 2315)

5,014K: media.codec (pid 2313)

3,379K: imsd (pid 2291)

3,346K: zygote (pid 2272)

3,291K: mediadrmserver (pid 2314)

2,906K: gpsd (pid 2292)

2,534K: netd (pid 2317)

2,445K: /init (pid 1)

2,416K: vold (pid 2151)

1,703K: mcDriverDaemon (pid 2150)

1,700K: wpa_supplicant (pid 24718)

1,682K: adbd (pid 2273)

1,596K: installd (pid 2311)

1,566K: ueventd (pid 1449)

1,533K: drmserver (pid 2285)

1,137K: jackservice (pid 2288)

960K: sdp_cryptod (pid 2297)

959K: lmkd (pid 2222)

843K: keystore (pid 2312)

815K: smdexe (pid 2310)

799K: at_distributor (pid 2326)

787K: connfwexe (pid 2308)

748K: dumpsys (pid 4201)

744K: tlc_server (pid 2844)

723K: gatekeeperd (pid 2325)

596K: androidshmservice (pid 2337)

582K: apaservice (pid 2287)

572K: logcat (pid 3553)

542K: auditd (pid 2277)

539K: servicemanager (pid 2223)

527K: sh (pid 4196)

516K: ss_conn_daemon (pid 2283)

499K: sh (pid 3578)

497K: diagexe (pid 2293)

488K: otp_server (pid 2869)

465K: edmaudit (pid 2284)

460K: cbd (pid 2294)

433K: ddexe (pid 2307)

432K: healthd (pid 2219)

352K: sdcard (pid 3515)

348K: sdcard (pid 3025)

338K: iod (pid 3635)

332K: cs (pid 2226)

294K: debuggerd (pid 2149)

294K: debuggerd:signaller (pid 2160)

210K: watchdogd (pid 2225)

208K: argosd (pid 2290)

184,384K: System

184,384K: system (pid 2671)

206,952K: Persistent

117,114K: com.android.systemui (pid 3067 / activities)

39,193K: com.android.phone (pid 3428)

26,025K: com.sec.imsservice (pid 3415)

12,478K: com.samsung.android.providers.context (pid 3801)

8,554K: com.android.nfc (pid 3402)

3,588K: com.sec.sve (pid 3381)

14,589K: Persistent Service

14,589K: com.android.bluetooth (pid 3009)

373,051K: Visible

106,383K: com.google.android.gms.persistent (pid 12217)

91,600K: com.google.android.gms (pid 12241)

64,148K: com.sec.android.inputmethod (pid 10296)

50,214K: com.sec.android.app.launcher (pid 15670 / activities)

23,311K: com.ktmusic.geniemusic:audio (pid 14445)

11,984K: com.makeshop.podbbang (pid 15226)

11,182K: com.sec.spp.push:RemoteDlcProcess (pid 19843)

5,886K: com.google.android.googlequicksearchbox:interactor (pid 739)

4,958K: com.google.android.ext.services (pid 3616)

3,385K: com.sec.phone (pid 3606)

28,962K: Perceptible

28,962K: com.samsung.android.MtpApplication (pid 3363 / activities)

109,038K: A Services

28,613K: com.rsupport.mvagent (pid 20518)

17,979K: com.android.vending (pid 31751)

17,808K: com.kakao.talk (pid 1243)

12,877K: com.gsr.gs25 (pid 4095)

12,711K: com.ktcs.whowho (pid 29242)

11,559K: android.process.media (pid 3324)

7,491K: com.rsupport.mvagent:widget (pid 19673)

49,183K: Previous

49,183K: com.kakaobank.channel (pid 1307 / activities)

186,426K: B Services

57,643K: com.microsoft.skydrive (pid 3746)

25,306K: jp.naver.line.android (pid 20324)

21,002K: com.instagram.android:mqtt (pid 13210)

14,796K: com.google.android.googlequicksearchbox:search (pid 30655)

9,936K: com.sec.spp.push (pid 16231)

9,357K: com.hanabank.ebk.channel.android.hananbank (pid 31063)

8,911K: com.samsung.android.calendar (pid 25672)

7,412K: com.olleh.android.oc2 (pid 32222)

6,089K: com.samsung.android.communicationservice (pid 24422)

6,010K: com.hanafn.push.agent (pid 19771)

5,699K: com.samsung.android.scloud:autobackupmgr (pid 29805)

5,364K: com.samsung.android.scloud (pid 26743)

4,716K: com.samsung.android.smartface (pid 4065)

4,185K: com.ims.dm (pid 29583)

68,131K: Cached

36,261K: com.google.android.apps.photos (pid 4120)

12,259K: android.process.acore (pid 3523)

6,718K: com.google.process.gapps (pid 3710)

5,863K: com.android.settings:QuickSettingsTile (pid 3240)

3,817K: com.android.printspooler (pid 4013)

3,213K: com.samsung.android.SettingsReceiver (pid 3975)

Total PSS by category:

170,338K: Dalvik

146,690K: Native

48,973K: .dex mmap

45,588K: EGL mtrack

43,319K: Dalvik Other

42,158K: GL mtrack

38,941K: .so mmap

33,350K: .art mmap

28,888K: .oat mmap

27,424K: Other mmap

23,033K: Unknown

14,542K: .apk mmap

9,596K: Stack

1,009K: Other dev

508K: .ttf mmap

216K: Ashmem

4K: Cursor

0K: Gfx dev

0K: .jar mmap

0K: Other mtrack

Total RAM: 1,407,728K (status moderate)

Free RAM: 209,725K ( 66,141K cached pss + 116,168K cached kernel + 27,416K free)

Used RAM: 935,512K ( 685,048K used pss + 250,464K kernel)

Lost RAM: 262,491K

Tuning: 128 (large 512), oom 122,880K, restore limit 40,960K (high-end-gfx)

참조 :

https://stackoverflow.com/questions/17901692/set-up-adb-on-mac-os-x/19142768

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[안드로이드] 안드로이드 디버그 브릿지(adb) 맥 터미널에서 이용하기

Option 3 - If you already have Android Studio installed

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