SMT profiling with pmcstat and perf

From RCS Wiki
Revision as of 05:14, 15 July 2025 by TimKelly (talk | contribs)
Jump to navigation Jump to search

This article discusses profiling symmetric multithreading (SMT) on the POWER9 architecture. It uses both Big-endian FreeBSD with pmcstat and Debian with perf.

Symmetric multithreading (SMT)

SMT principles

SMT is not "multi-core"

Comparison to RISC-V HARTs

Benchmark code

pmcstat

perf

Retrieved from "https://wiki.raptorcs.com/w/index.php?title=SMT_profiling_with_pmcstat_and_perf&oldid=4942"