Differences

This shows you the differences between two versions of the page.

--- linux:ubuntu [2024/04/14 15:03] – [Dig] skipidar
+++ linux:ubuntu [2024/05/15 05:10] (current) – [Performance Monitoring commands] skipidar
@@ Line 187: / Line 187: @@
 </VirtualHost>
 </code>
+==== Performance Monitoring commands ====
+{{https://s3.eu-central-1.amazonaws.com/alf-digital-wiki-pics/sharex/c12ezuvdZY.png}}
+how to diagnose a mysterious process that’s taking too much CPU, memory, IO, etc?
+The diagram below illustrates helpful tools in a Linux system.
+<sxh shell>
+vmstat # reports information about processes, memory, paging, block IO, traps, and CPU activity.
+iostat # reports CPU and input/output statistics of the system.
+netstat # displays statistical data related to IP, TCP, UDP, and ICMP protocols.
+lsof # lists open files of the current system.
+pidstat # monitors the utilization of system resources by all or specified processes, including CPU, memory, device IO, task switching, threads, etc.
+</sxh>
+Credit: Diagram by Brendan Gregg