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adb 打印终端中内存使用情况的方法_android 打印可用内存 和当前占用内存
作者：盐析白兔 | 2024-03-12 02:43:47
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android 打印可用内存 和当前占用内存
在调试一些内存相关的问题时，我们通常需要实时打印出当前系统中所使用的内存信息。
下面提供两种方法来查看这些信息。
方式一，使用 adb shell dumpsys meminfo
使用示例：
- C:\Users\Administrator>adb shell dumpsys meminfo
- Applications Memory Usage (kB):
- Uptime: 14868066 Realtime: 21560285
-
- Total PSS by process:
- 35958 kB: system (pid 463)
- 30518 kB: com.bbk.launcher2 (pid 824)
- 26253 kB: com.android.systemui (pid 630)
- 20983 kB: com.android.settings (pid 7366)
- 10239 kB: com.android.phone (pid 706)
- 9986 kB: com.tencent.qqpimsecure (pid 893)
- 9326 kB: com.iqoo.ime.service (pid 685)
- 8962 kB: android.process.media (pid 796)
- 7418 kB: com.sohu.sohuvideo:log_service (pid 6695)
- 7140 kB: com.ting.mp3.oemc.android:pushservice_v1 (pid 6502)
- 7074 kB: com.mediatek.bluetooth (pid 716)
- 7062 kB: com.sina.weibo (pid 2429)
- 7033 kB: android.process.acore (pid 1150)
- 6288 kB: com.sina.weibo.servant (pid 5979)
- 5898 kB: com.eg.android.AlipayGphone (pid 3473)
- 5435 kB: com.android.ActivityNetwork (pid 6621)
- 5327 kB: com.tencent.mm (pid 6553)
- 5281 kB: com.android.bbkmusic (pid 1322)
- 4559 kB: com.netease.pris:push (pid 7126)
- 4445 kB: com.android.mms (pid 6463)
- 4392 kB: com.mediatek.mdlogger (pid 725)
- 4347 kB: com.baidu.map.location:remote (pid 843)
- 4275 kB: com.mediatek.mobilelog (pid 7063)
- 4254 kB: com.android.contacts (pid 857)
- 3993 kB: com.bbk.appstore (pid 7262)
- 3854 kB: com.mediatek.MediatekDM (pid 6281)
- 3667 kB: com.android.keychain (pid 7276)
- 3623 kB: com.baidu.map.location (pid 784)
- 3387 kB: com.mediatek.atci.service (pid 7110)
- 3359 kB: com.android.bbksoundrecorder (pid 746)
- 3265 kB: com.svox.pico (pid 7332)
- 3261 kB: com.android.defcontainer (pid 6448)
-
- Total PSS by OOM adjustment:
- 35958 kB: System
- 35958 kB: system (pid 463)
- 63631 kB: Persistent
- 26253 kB: com.android.systemui (pid 630)
- 10239 kB: com.android.phone (pid 706)
- 7074 kB: com.mediatek.bluetooth (pid 716)
- 7033 kB: android.process.acore (pid 1150)
- 5281 kB: com.android.bbkmusic (pid 1322)
- 4392 kB: com.mediatek.mdlogger (pid 725)
- 3359 kB: com.android.bbksoundrecorder (pid 746)
- 29945 kB: Foreground
- 20983 kB: com.android.settings (pid 7366)
- 8962 kB: android.process.media (pid 796)
- 27841 kB: Perceptible
- 9986 kB: com.tencent.qqpimsecure (pid 893)
- 9326 kB: com.iqoo.ime.service (pid 685)
- 4275 kB: com.mediatek.mobilelog (pid 7063)
- 4254 kB: com.android.contacts (pid 857)
- 14255 kB: A Services
- 7140 kB: com.ting.mp3.oemc.android:pushservice_v1 (pid 6502)
- 3854 kB: com.mediatek.MediatekDM (pid 6281)
- 3261 kB: com.android.defcontainer (pid 6448)
- 30518 kB: Home
- 30518 kB: com.bbk.launcher2 (pid 824)
- 27087 kB: B Services
- 7418 kB: com.sohu.sohuvideo:log_service (pid 6695)
- 6288 kB: com.sina.weibo.servant (pid 5979)
- 5435 kB: com.android.ActivityNetwork (pid 6621)
- 4559 kB: com.netease.pris:push (pid 7126)
- 3387 kB: com.mediatek.atci.service (pid 7110)
- 41627 kB: Background
- 7062 kB: com.sina.weibo (pid 2429)
- 5898 kB: com.eg.android.AlipayGphone (pid 3473)
- 5327 kB: com.tencent.mm (pid 6553)
- 4445 kB: com.android.mms (pid 6463)
- 4347 kB: com.baidu.map.location:remote (pid 843)
- 3993 kB: com.bbk.appstore (pid 7262)
- 3667 kB: com.android.keychain (pid 7276)
- 3623 kB: com.baidu.map.location (pid 784)
- 3265 kB: com.svox.pico (pid 7332)
-
- Total PSS by category:
- 145990 kB: Dalvik
- 44471 kB: Unknown
- 35557 kB: Other dev
- 24404 kB: .so mmap
- 14348 kB: .dex mmap
- 3830 kB: Other mmap
- 1214 kB: .apk mmap
- 524 kB: Native
- 424 kB: .ttf mmap
- 68 kB: Ashmem
- 32 kB: Cursor
- 0 kB: .jar mmap
-
- Total PSS: 270862 kB
- KSM: 0 kB saved from shared 0 kB
- 0 kB unshared; 0 kB volatile
方式二：使用 adb shell procrank 命令
使用示例：
- C:\Users\Administrator>adb shell procrank
- PID Vss Rss Pss Uss cmdline
- 463 61772K 61704K 36103K 32180K system_server
- 824 55208K 55112K 30643K 29204K com.bbk.launcher2
- 630 54492K 54376K 26423K 21896K com.android.systemui
- 7366 48596K 48492K 20979K 17016K com.android.settings
- 112 32696K 29692K 20346K 12720K /system/bin/surfaceflinger
- 706 32244K 32192K 10338K 9560K com.android.phone
- 893 32108K 32084K 10126K 9324K com.tencent.qqpimsecure
- 117 10984K 10952K 9742K 9512K /system/bin/mediaserver
- 685 31004K 30952K 9420K 8704K com.iqoo.ime.service
- 796 31516K 31456K 9057K 8224K android.process.media
- 6695 30332K 30304K 7490K 6488K com.sohu.sohuvideo:log_service
- 6502 29896K 29868K 7215K 6232K com.ting.mp3.oemc.android:pushservice_v1
- 716 29564K 29508K 7174K 6332K com.mediatek.bluetooth
- 2429 29612K 29584K 7157K 6352K com.sina.weibo
- 1150 29404K 29352K 7127K 6380K android.process.acore
- 5979 29196K 29168K 6380K 5548K com.sina.weibo.servant
- 3473 28424K 28396K 5992K 5208K com.eg.android.AlipayGphone
- 6553 28108K 28068K 5396K 4480K com.tencent.mm
- 1322 27544K 27488K 5375K 4624K com.android.bbkmusic
- 6621 27204K 27172K 4781K 3996K com.android.ActivityNetwork
- 725 26372K 26308K 4620K 3920K com.mediatek.mdlogger
- 7126 26968K 26912K 4605K 3868K com.netease.pris:push
- 6463 26996K 26944K 4534K 3788K com.android.mms
- 843 26172K 26120K 4441K 3648K com.baidu.map.location:remote
- 857 26024K 25972K 4349K 3648K com.android.contacts
- 7063 26664K 26600K 4347K 3636K com.mediatek.mobilelog
- 7262 26988K 26928K 4043K 3296K com.bbk.appstore
- 6281 26432K 26368K 3948K 3192K com.mediatek.MediatekDM
- 784 25524K 25460K 3718K 2988K com.baidu.map.location
- 7276 26624K 26556K 3716K 2960K com.android.keychain
- 746 25268K 25200K 3450K 2720K com.android.bbksoundrecorder
- 7110 25944K 25876K 3438K 2720K com.mediatek.atci.service
- 6448 25772K 25708K 3354K 2596K com.android.defcontainer
- 7332 25812K 25748K 3311K 2600K com.svox.pico
- 113 24144K 24064K 3116K 2308K zygote
- 8327 2544K 2544K 2244K 2224K procrank
- 116 2932K 2932K 2136K 2112K /system/bin/drmserver
- 1491 1968K 1968K 1354K 1328K /system/bin/bbk_em_svr
- 134 1996K 1996K 1278K 1264K /system/bin/em_svr
- 128 1848K 1844K 1266K 1252K /system/bin/atcid
- 1813 1468K 1468K 1177K 1172K logcat
- 7084 1836K 1836K 1090K 1012K /system/bin/atci_service
- 130 1336K 1336K 845K 828K /system/bin/mtkbt
- 3399 1020K 1020K 722K 716K logcat
- 421 1008K 1008K 559K 552K /system/bin/rild
- 118 1100K 1100K 522K 452K /system/bin/mdpserver
- 6970 896K 896K 477K 352K /system/bin/netdiag
- 5649 768K 768K 455K 448K logcat
- 109 784K 784K 435K 424K /system/bin/netd
- 7079 988K 988K 425K 384K /system/bin/mobile_log_d
- 131 868K 868K 402K 392K /system/bin/mdpd
- 124 760K 760K 397K 392K /system/bin/mtk_agpsd
- 1 492K 492K 386K 320K /init
- 101 672K 672K 352K 344K /system/bin/vold
- 401 1272K 708K 306K 300K /system/bin/mdlogger
- 106 716K 716K 278K 272K /system/bin/vivo_daemon
- 123 536K 536K 271K 268K /system/bin/keystore
- 400 528K 528K 251K 248K /system/bin/gsm0710muxd
- 8209 288K 288K 248K 248K /sbin/adbd
- 129 676K 676K 242K 236K /system/bin/dm_agent_binder
- 105 612K 612K 233K 228K /system/bin/debuggerd
- 8326 488K 484K 223K 204K /system/bin/sh
- 136 648K 648K 222K 216K /system/bin/nvram_agent_binder
- 114 440K 440K 181K 176K /system/bin/hald
- 7081 748K 748K 177K 136K /system/bin/mobile_log_d
- 110 592K 592K 177K 52K /system/bin/netdiag
- 102 524K 432K 171K 168K /system/bin/ccci_fsd
- 7080 728K 728K 165K 124K /system/bin/mobile_log_d
- 7083 700K 700K 152K 112K /system/bin/mobile_log_d
- 7082 708K 708K 151K 108K /system/bin/mobile_log_d
- 119 416K 416K 151K 148K /system/bin/mtkGD
- 65 220K 220K 150K 84K /sbin/ueventd
- 7179 460K 460K 147K 140K logcat
- 125 400K 400K 143K 140K /system/bin/stp_dump3
- 120 372K 368K 139K 136K /system/bin/dbus-daemon
- 122 424K 420K 131K 128K /system/bin/installd
- 100 324K 324K 118K 116K /system/bin/servicemanager
- 140 336K 332K 110K 108K /system/bin/sh
- 103 332K 332K 106K 104K /system/bin/ccci_mdinit
- 1222 356K 356K 103K 100K /data/data/com.tencent.qqpimsecure/files/athena_v2.dat
- 104 324K 324K 102K 100K /system/bin/6620_launcher
- 107 680K 680K 94K 52K /system/bin/mobile_log_d
- 1238 320K 316K 90K 88K sh
- 1229 316K 312K 90K 88K sh
- 1219 316K 312K 90K 88K sh
- ------ ------ ------
- 328033K 282552K TOTAL
-
- RAM: 482092K total, 3732K free, 4052K buffers, 110608K cached, 476K shmem, 24624K slab
当前使用这两种方式的前提是 adb remount 能够成功。
可以通过 adb shell kill PIDNumber 来杀死你想杀死的后台进程来模拟某种 bug 的复现条件。
譬如 adb shell kill 630 就能杀死 com.android.systemui 这个进程，有兴趣的可以尝试一下，盯住手机屏幕看下有什么反应……
adb shell ps 可以查看当前终端中的进程信息
- C:\Users\Administrator>adb shell ps
- USER PID PPID VSIZE RSS WCHAN PC NAME
- root 1 0 644 492 c0140624 0000fa38 S /init
- root 2 0 0 0 c0083274 00000000 S kthreadd
- root 3 2 0 0 c0069564 00000000 S ksoftirqd/0
- root 6 2 0 0 c00c4a58 00000000 S migration/0
- root 10 2 0 0 c007e778 00000000 S khelper
- root 11 2 0 0 c007e778 00000000 S fs_sync
- root 12 2 0 0 c007e778 00000000 S suspend
- root 13 2 0 0 c0114cbc 00000000 S sync_supers
- root 14 2 0 0 c0115d48 00000000 S bdi-default
- root 15 2 0 0 c007e778 00000000 S kblockd
- root 16 2 0 0 c02db5a8 00000000 S khubd
- root 17 2 0 0 c007e778 00000000 S _mtkfb
- root 18 2 0 0 c007e778 00000000 S cfg80211
- root 20 2 0 0 c010de00 00000000 S kswapd0
- root 21 2 0 0 c016b74c 00000000 S fsnotify_mark
- root 22 2 0 0 c007e778 00000000 S crypto
- root 42 2 0 0 c0071488 00000000 D binder_watchdog
- root 43 2 0 0 c007e778 00000000 S binder
- root 44 2 0 0 c007e778 00000000 S trace mon
- root 45 2 0 0 c007e778 00000000 S g2d_workqueue
- root 46 2 0 0 c007e778 00000000 S mtk_vibrator
- root 47 2 0 0 c03ffc84 00000000 D pmic_thread_kth
- root 48 2 0 0 c0411648 00000000 D bat_thread_kthr
- root 49 2 0 0 c041079c 00000000 S mtk charger_hv_
- root 50 2 0 0 c03ace00 00000000 S screen_update_k
- root 51 2 0 0 c007e778 00000000 S non_sta
- root 52 2 0 0 c007e778 00000000 S accdet
- root 53 2 0 0 c007e778 00000000 S accdet_eint
- root 54 2 0 0 c029fccc 00000000 S kworker/u:2
- root 55 2 0 0 c007e778 00000000 S acc_sensor_eint
- root 56 2 0 0 c03489bc 00000000 S mmcqd/0
- root 57 2 0 0 c03489bc 00000000 S mmcqd/0boot0
- root 58 2 0 0 c03489bc 00000000 S mmcqd/0boot1
- root 60 2 0 0 c007e778 00000000 S deferwq
- root 61 2 0 0 c007e778 00000000 S f_mtp
- root 62 2 0 0 c0301eb0 00000000 S file-storage
- root 63 2 0 0 c0071488 00000000 D wdtk-0
- root 64 2 0 0 c0071488 00000000 D wdtk-1
- root 65 2 0 0 c007e778 00000000 S 0-0038
- root 66 1 424 220 c0140624 0000fa38 S /sbin/ueventd
- root 68 2 0 0 c020a0e0 00000000 S jbd2/mmcblk0p4-
- root 69 2 0 0 c007e778 00000000 S ext4-dio-unwrit
- root 70 2 0 0 c02a1ac8 00000000 S loop0
- root 71 2 0 0 c015679c 00000000 S flush-179:0
- root 74 2 0 0 c020a0e0 00000000 S jbd2/mmcblk0p6-
- root 75 2 0 0 c007e778 00000000 S ext4-dio-unwrit
- root 80 2 0 0 c020a0e0 00000000 S jbd2/mmcblk0p5-
- root 81 2 0 0 c007e778 00000000 S ext4-dio-unwrit
- root 84 2 0 0 c020a0e0 00000000 S jbd2/mmcblk0p2-
- root 85 2 0 0 c007e778 00000000 S ext4-dio-unwrit
- root 86 2 0 0 c007e778 00000000 S pvr_timer
- root 87 2 0 0 bf141a5c 00000000 S mtk_stp_psm
- root 88 2 0 0 bf141a5c 00000000 S mtk_stp_btm
- root 89 2 0 0 bf141868 00000000 S mtk_wmtd
- root 90 2 0 0 c007e778 00000000 S fm_timer_wq
- root 91 2 0 0 c007e778 00000000 S fm_eint_wq
- system 93 1 1104 348 c0366868 400c8f74 S /system/bin/servicemanager
- root 94 1 5016 668 ffffffff 400bd700 S /system/bin/vold
- ccci 95 1 1400 440 bf091e48 40117f74 S /system/bin/ccci_fsd
- system 96 1 1980 356 ffffffff 40128d3c S /system/bin/ccci_mdinit
- system 97 1 960 352 c0140624 400a4ec8 S /system/bin/6620_launcher
- root 98 1 1792 580 c0140624 4014bec8 S /system/bin/debuggerd
- root 99 1 6708 640 ffffffff 40055f74 S /system/bin/vivo_daemon
- shell 100 1 2696 596 ffffffff 4011b700 S /system/bin/mobile_log_d
- root 102 1 11892 984 ffffffff 400a3700 S /system/bin/netd
- radio 103 1 4536 576 ffffffff 401d9084 S /system/bin/netdiag
- system 105 1 55108 24708 ffffffff 400e0f74 S /system/bin/surfaceflinger
- root 106 1 286264 23048 ffffffff 400dd098 S zygote
- system 107 1 3352 500 ffffffff 400e2700 S /system/bin/hald
- drm 108 1 21300 2324 ffffffff 40194f74 S /system/bin/drmserver
- media 109 1 62376 8236 ffffffff 40123f74 S /system/bin/mediaserver
- system 110 1 7964 1128 ffffffff 400fef74 S /system/bin/mdpserver
- system 111 1 1196 460 c0444894 400d6a04 S /system/bin/mtkGD
- bluetooth 112 1 1644 392 c0140624 40158ec8 S /system/bin/dbus-daemon
- root 114 1 1160 444 c04fd670 400edd3c S /system/bin/installd
- keystore 115 1 2148 712 c0444894 40076a04 S /system/bin/keystore
- gps 116 1 13836 772 ffffffff 4007dec8 S /system/bin/mtk_agpsd
- system 117 1 1148 436 c0140624 400f6098 S /system/bin/stp_dump3
- root 119 1 17608 1476 ffffffff 4016e700 S /system/bin/atci_service
- root 120 1 10588 1696 c0140624 40113098 S /system/bin/atcid
- system 121 1 4740 620 ffffffff 4007af74 S /system/bin/dm_agent_binder
- bluetooth 122 1 8224 1212 ffffffff 40234098 S /system/bin/mtkbt
- system 123 1 3864 740 c00562e8 40118f74 S /system/bin/mdpd
- root 126 1 1648 560 c00881a8 4009c700 S /system/bin/hscdtd007a
- root 127 1 15312 1792 ffffffff 4004d700 S /system/bin/em_svr
- system 128 1 4680 580 ffffffff 40150f74 S /system/bin/nvram_agent_binder
- root 131 1 1028 352 c0288208 40086d3c S /system/bin/sh
- root 134 2 0 0 c007e778 00000000 S pvr_workqueue
- root 328 2 0 0 c007e778 00000000 S mtklfb
- radio 347 1 13476 556 ffffffff 400e1700 S /system/bin/gsm0710muxd
- shell 348 1 5148 660 ffffffff 40144d3c S /system/bin/mdlogger
- radio 371 1 26488 944 ffffffff 4009a700 S /system/bin/rild
- system 398 106 445644 58800 ffffffff 400dcf74 S system_server
- root 482 2 0 0 c0344c0c 00000000 S ksdioirqd/mmc2
- system 489 106 371684 52680 ffffffff 400dde50 S com.android.systemui
- root 535 2 0 0 bf2124c8 00000000 S tx_thread
- log 536 1 952 348 c0288208 40102d3c S /system/bin/logwrapper
- wifi 538 536 3108 1112 c0140624 400f5098 S /system/bin/wpa_supplicant
- radio 558 106 332432 33844 ffffffff 400dde50 S com.android.phone
- u0_a51 564 106 299024 26940 ffffffff 400dde50 S com.vivo.motionrecognition
- u0_a53 576 106 312772 29008 ffffffff 400dde50 S com.mediatek.bluetooth
- system 585 1 1152 476 c016f01c 4008ae50 S /system/xbin/mnld
- radio 587 106 296552 26788 ffffffff 400dde50 S com.mediatek.mdlogger
那么如何在代码中判断当前的硬件系统有多少的 RAM 呢？
使用下面代码可以奏效：
在 Framework ProcessList.java 中有如下代码可用：
- ProcessList() {
- MemInfoReader minfo = new MemInfoReader();
- minfo.readMemInfo();
- mTotalMemMb = minfo.getTotalSize()/(1024*1024);
- }
这个可以用于 app 层来适配不同内存配置的机型。
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