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linux_og_unix:sysstat

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linux_og_unix:sysstat [2016/08/14 22:37] (current)
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 +[[linux_og_unix:​sysadm|Tilbage til Sysadm]]
  
 +----
 +
 +===== Sysstat =====
 +
 +  * **mpstat** (Global Average Activities by All CPUs.) ​
 +    * **-P ALL** : (Indicate Processor Number)
 +    * **-I** : print total number of interrupt statistics about per processor.)
 +    * **-A** = **-u -I ALL -p ALL**) : display all information)
 +
 +  * **pidstat** (Process and Kernel Threads Statistics)
 +    * **-p** : non-active tasks
 +    * **-t** : display statistics of selected process
 +    * **-rh** : memory utilization of processes which are frequently varying their utilization
 +    * **-R** : realtime priority and scheduling information
 +
 +  * **sar** (System Activity Reporter)
 +    * **-F** statistics about the mounted file systems
 +    * **-q** run queue length, total number of processes and load average
 +    * **-n DEV** network statistics ​
 +    * **-d** block device statistics
 +    * **-r** memory statistics
 +
 +  * **safd -d** (Extract sar data) f.eks. /​var/​log/​sa/​sa20140903 -- -n DEV | grep -v lo
linux_og_unix/sysstat.txt ยท Last modified: 2016/08/14 22:37 (external edit)