Performance counters on Linux: The tools / Linux Plumbers Conf: Developing the Kernel, Libraries and Utilities / September 23-25, 09 / Portland, OR

Proposals

Performance counters on Linux: The tools

General

Talk

lpc2009-0108

Scheduled: Friday, September 25, 2009 from 10:00 – 10:45am in Salon AB

Excerpt

The perfcounters infrastructures is fast moving into being the unifying channel for hw and software performance analisys

Description

Modern CPUs have hardware dedicated to counting events associated with performance, special registers that allow pinpointing hotspots that can possibly be optimized. Recent developments in the Linux kernel explore these features, solving problems found in previous attempts, such as OProfile. The new tools developed to use it will be described and briefly demonstrated.

Speaker

Arnaldo Melo
Red Hat Inc.
- Website: http://www.redhat.com/
- Blog: http://oops.ghostprotocols.net:81/blog
- Twitter: acmel
Biography

Founder of Conectiva. Ghost protocols shaman. Then-draft now-RFC internet transport protocol writer. Curious about where structs get laid on top of cachelines. Real time tooler. Now tries to combine the previous topics while still living in the brazilian jungle.

Linux Plumbers Conf 2009

Proposals