Cpu
Pidstat
Linux systems may use the pidstat command to retrieve system information such as details about CPU, memory, and disk activity by processes.
Troubleshooting CPU usage
Articles and information about troubleshooting system performance issues with focus on CPU usage.
Lscpu
The lscpu command reports information about the CPU, such as architecture, vendor identification, virtualization features, cache, and even CPU vulnerabilities.
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.