1.
top
2.
cat /proc/meminfo
nvidia@tegra-ubuntu:~/zrj/laneseg_TRT$ cat /proc/meminfo
MemTotal: kB
MemFree: kB
MemAvailable: kB
Buffers: kB
Cached: kB
SwapCached: kB
Active: kB
Inactive: kB
Active(anon): kB
Inactive(anon): kB
Active(file): kB
Inactive(file): kB
Unevictable: kB
Mlocked: kB
SwapTotal: kB
SwapFree: kB
Dirty: kB
Writeback: kB
AnonPages: kB
Mapped: kB
Shmem: kB
Slab: kB
SReclaimable: kB
SUnreclaim: kB
KernelStack: kB
PageTables: kB
NFS_Unstable: kB
Bounce: kB
WritebackTmp: kB
CommitLimit: kB
Committed_AS: kB
VmallocTotal: kB
VmallocUsed: kB
VmallocChunk: kB
NvMapMemFree: kB
NvMapMemUsed: kB
CmaTotal: kB
CmaFree: kB
3.
sysstat - tools.
how to install :
sudo apt install sysstat
how to use:
eg: sar -r -u 1 500
or sar -r -d -n DEV -u 1 500
end