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Questions tagged [sysstat]

sysstat is a collection of system performance Linux tools. The set includes sar, iostat, and mpstat.

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How to calculate memory available from sar / sysstat

I want generate monthly report from sar, but I confuse how to calculate memory available from sar. After several hours searching, I get from some website, it said available_mem = kbmemfree + ...
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How to monitor the traffic in an interface and specific port?

I want to monitor de traffic which is arriving to a specific port with the purpose of measuring how much traffic is arriving there. I was using sar from systat but the problem is that it measures the ...
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sysstat not updating configuration?

This is my first question on SuperUser so go easy! I have attempted to prune my servers' /var/log/sa/* logs by updating the /etc/sysconfig/sysstat file to the following: # sysstat-10.1.5 ...
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Collecting information about server usage and storaging in XML format using sysstat

I need to save the metrics below in XML format: Input / Output and transfer rate statistics (global, per device, per partition, per network filesystem and per Linux task / PID). CPU statistics (...
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Debian “sar -n DEV 1 1” is super slow

On all of my machines I'm using sar (sysstat) to get the current network bandwidth using sar -n DEV 1 1 that I parse out later, but on one of my machines this command no longer gives its output in 1 ...
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running vmstat every 300 millisecond

Is there any way to run vmstat, iostat, sar commands repeatedly with an interval of 300 milliseconds? I know the defaults is 1 second but I want to run every 300 millisecond for system performance ...
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Invoke and track memory usage of one process

I want to run a memory-consuming program and track its memory usage over time. The program ends in a few seconds after invoked. This previous question suggested sysstat package . While its pidstat ...