Contents
How do I check my CPU and memory statistics?
- How To Check CPU Usage from Linux Command Line. top Command to View Linux CPU Load. mpstat Command to Display CPU Activity. sar Command to Show CPU Utilization. iostat Command for Average Usage.
- Other Options to Monitor CPU Performance. Nmon Monitoring Tool. Graphical Utility Option.
What is CPU usage on a server?
Everything that happens on the server is a task to the system. This task breaks down to processes that are executed by the server. In other words, the CPU is being used to execute the process. CPU usage is the percentage of time that the CPU is being used to complete its tasks.
How to monitor CPU and memory usage for a Solaris server?
I need to monitor average CPU and memory usage for a Solaris server. How can I automate the process using scripts to monitor daily CPU and memory usage and give it as an average over a month? You can use sar for the same.
What is The mpstat command in Solaris used for?
The mpstat command is used to check how the load is balanced across CPUs and what is the load on each CPU. The video explains about the key fields in the output of mpstat and how to interpret them to analyze a performance issue.
Who is the best expert in Solaris Performance Monitoring?
The post contains some of the excellent videos by Brenden Gregg. Gregg is one of the leading experts on DTrace and creator of the DTraceToolkit. The uptime command gives us the load averages along with the system uptime information.
How to monitor memory usage / performance in SunOS?
Beware that Solaris uses the swap term to either name the part of disk used to store memory pages that are paged out from RAM or to name the whole virtual memory space, i.e. the swap area plus the part of RAM that is not locked there. Not as detailed as your Linux example but you could use the ::memstat macro in mdb: