adb shell cat /proc/meminfo

这个命令可以输出 Android 设备的内存信息，包括总内存、空闲内存、已使用内存等。体的输出内容如下：

MemTotal: 628 kB
MemFree: 192052 kB
MemAvailable: 339268 kB
Buffers: 4396 kB
Cached 411872 kBSwapCached: 0 kB
Active: 319960 kB
Inactive: 259056 kB
Active(anon): 165008 kB
Inactive(anon): 34948 kB
Active(file): 154952 kB
Inactive(file): 224108 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 164724 kB
Mapped: 72720 kB
Shmem: 36360 kB
Slab: 33872 kB
SReclaimable: 15156 kB
SUnreclaim: 18716 kB
KernelStack: 1840 kB
PageTables: 5620 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 471812 kB
Committed_AS: 673352 kB
VmallocTotal: 385024 kB
VmallocUsed: 4676 kB
VmallocChunk: 376124 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
CmaTotal: 0 kB
CmaFree: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 18208 kB
DirectMap2M: 921600 kB
DirectMap1G: 0 kB