[Linux] Performance Tools : full version draft

 

* dstat (리소스 체크)

 # dstat -c --top-cpu -d --top-bio --top-latency

* iostat (리소스 체크)

# iostat -dx 1

* numactl (numa 사용여부)

# apt-get install numactl
# numactl --hardware
available: 1 nodes (0)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
node 0 size: 64392 MB
node 0 free: 389 MB
node distances:
node   0
  0:  10

* dmesg (H/W 상태체크)

# dmesg

...