HPC Certification Forum skill-tree:pe:2:3 https://www.hpc-certification.org/wiki/ 2026-05-13T00:30:51+00:00 HPC Certification Forum https://www.hpc-certification.org/wiki/ https://www.hpc-certification.org/wiki/_media/wiki/favicon.ico text/html 2025-04-16T18:30:06+00:00 Anonymous (anonymous@undisclosed.example.com) PE2.3 Profiling tools https://www.hpc-certification.org/wiki/skill-tree/pe/2/3/b?rev=1744821006&do=diff PE2.3 Profiling tools Profiling is explained for the CPU level, where it can be supported by hardware performance counters and by sampling techniques. Sampling is used to see, by examining the program counter, what routines and source code lines of a program are responsible for which portions of the total runtime.