Cpu
Pidstat
The command pidstat provides details about CPU, memory, and disk activity by processes.
Summary
Troubleshooting CPU usage
Articles and information about troubleshooting system performance issues with focus on CPU usage.
Summary
Got a busy system that comes to a halt due it being too busy? In this article we look at troubleshooting issues related to CPU usage. Monitoring CPU usage The tool top might be the most familiar tool to monitor CPU or memory usage. A good alternative is the pidstat tool. It can be using an interval and easily show active processes, followed by a summary. # pidstat 3 Linux 6.
Lscpu
The lscpu command reports information about the CPU, such as architecture, vendor identification, virtualization features, cache, and even CPU vulnerabilities.
Summary
The lscpu command retrieves information about the the CPU architecture. The sources to retrieve this information include /proc/cpuinfo, pseudo file system sysfs, and available libraries. Examples of information includes: Cores CPUs BogoMIPS Byte order Cache sharing Caches Family Model Stepping NUMA nodes Threads Sockets Virtualization details Vulnerabilities The tool is both suitable for using in the terminal and manual interpretation, but also for automated processing. When its output is piped to other another application, it is aware that any screen markup should be left out.
How to see CPU details
Show CPU details such as architecture, vendor, caches, virtualization options, and even known CPU vulnerabilities such as Meltdown and Spectre.
Summary
Show CPU details