linux-performance

Posted 2020-11-07 鹅要长大

1.

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2.

cat /proc/meminfo

[email protected]:~/zrj/laneseg_TRT$ cat /proc/meminfo
MemTotal:        8042784 kB
MemFree:         4201184 kB
MemAvailable:    5437588 kB
Buffers:           59996 kB
Cached:          1162028 kB
SwapCached:            0 kB
Active:          1912868 kB
Inactive:         866116 kB
Active(anon):    1560584 kB
Inactive(anon):    22472 kB
Active(file):     352284 kB
Inactive(file):   843644 kB
Unevictable:          32 kB
Mlocked:              32 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:               172 kB
Writeback:           184 kB
AnonPages:       1557048 kB
Mapped:           469944 kB
Shmem:             26040 kB
Slab:             130796 kB
SReclaimable:      82980 kB
SUnreclaim:        47816 kB
KernelStack:        9808 kB
PageTables:        17076 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     4021392 kB
Committed_AS:    5392076 kB
VmallocTotal:   258998208 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB
NvMapMemFree:      23568 kB
NvMapMemUsed:     697160 kB
CmaTotal:          65536 kB
CmaFree:           48120 kB

View Code

 

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

 

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