Collaboration Summit has ended

The Linux Foundation Collaboration Summit is an exclusive, invitation-only summit gathering core kernel developers, distribution maintainers, ISVs, end users, system vendors and other community organizations for plenary sessions and workgroup meetings to meet face-to-face to tackle and solve the most pressing issues facing Linux today. If your company is not a member of The Linux Foundation and you are interested in joining please visit our website to learn more about how you can become a Corporate Member.

Request an Invitation To Participate

Back To Schedule
Wednesday, April 17 • 10:00am - 11:00am
The Linux Perf Tool: New Features - Jiri Olsa & Arnaldo Carvalho de Melo, Red Hat

Sign up or log in to save this to your schedule, view media, leave feedback and see who's attending!

This presentation will give an overview and current development stateof several new perf features, like:

  • Perf diff enhancements: describing newly added computation data comparison methods    ratio, delta and weighted diff plus introducing multiple perf data file comparison
  • Group leader sampling: Describing new way of getting group's samples
  • Callchains DWARF unwind: Moving towards libdwarf
  • Default precise event setup: Forcing precise event profiling whenever possible
  • Interval stat plotting: The stat command can now print event deltas at regular    time interval.

We will describe above features in detail and provide practical usage examples. In addition, this session will cover some 'want to have' features for the future, like: Event toggling event, Non-architectural events support the trace event library integration.

avatar for Arnaldo Carvalho de Melo

Arnaldo Carvalho de Melo

Principal Software Engineer, Red Hat
Maintained IPX, LLC, Appletalk protocols. Refactored the TCP/IP stack to reuse non TCP specific parts. Implemented the Linux DCCP stack. Created pahole, a tool to help in optimizing data structures, used in Linux, glibc, KDE, xine & others. Maintainer of
avatar for Jiri Olsa

Jiri Olsa

Software Engineer, Red Hat
Jiri works for RedHat full time on Linux as kernel generalist engineer in Brno office, Czech Republicech Republic. He currently divides his work time between upstream perf work and maintaining RHEL perf.

Wednesday April 17, 2013 10:00am - 11:00am PDT
Cyril Magnin I

Attendees (0)