Linux monitoring tools and statistics files

1 單一process觀看
pidstat -d 2
pidstat -d | sort -nk 3
iotop -d 2
好用啊...


2 overall 系統觀看

Here is a list of various Linux monitoring tools and statistics files:

Overall Tools:
top, vmstat, sar, ps, pstree, ipcs

CPU:
top, mpstat, tload, /proc/cpuinfo, x86info

Memory:
free, /proc/meminfo, slabtop, /proc/slabinfo, ipcs

I/O:
iostat, vmstat, sar

sar examples:

To display CPU utilization:

  sar 3 100

To display paging activity:

  sar -B 3 100

To display swapping activity:

  sar -W 3 100

To display block I/O activity:

  sar -b 3 100

To display block I/O activity for each block device:

  sar -d 3 100

To display network activity:

  sar -n DEV 3 100



Linux monitoring tools and statistics files