The pmap command is used to display the memory map of a process. pmap - Display the memory map of a process To display all information about CPU that mpstat can display, type $ mpstat -A 15. It shows reports for each available processor, starting with processor 0. Mpstat command is used to display processor-related statistics. mpstat - Display processor related statistics To display the network counter using sar, use the following command.
To display the swap status, use the '-S- command along with sar command. Similarly, to display CPU average load, use the '-q' option with sar command. To display I/O device status, use the '-d' option along with sar command. Use -A option along with sar command to display detailed information about the I/O Devices, CPU, Memory, and Network statistics. On CentOS/RHEL/Fedora/Rocky Linux and AlmaLinux You can install the package using the following command. The SAR package is not found by default in the Linux system, but you can install the Sysstat package as SAR is part of sysstat. Aside from real-time system monitoring, SAR may also gather performance data in the background on an ongoing basis and analyze it to look for bottlenecking issues. System Activity Report (SAR) is a real-time system monitoring tool.
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