A.10. Changes in OProfile

Red Hat Developer Toolset 4.0 is distributed with OProfile 1.1.0, which provides a number of bug fixes and feature enhancements over the version included in the previous release of Red Hat Developer Toolset. Below is a list of new features in this release.

A.10.1. Changes Since Red Hat Developer Toolset 3.1

The following features have been added since the release of OProfile included in Red Hat Developer Toolset 3.1:
  • The deprecated opcontrol and oprof_start commands have been removed from OProfile 1.1.0. The operf command should be used in their place. The opreport command is still used to analyze data stored in the oprofile_data/ directory by operf.
  • Support for new Intel processors, such as 6th Generation Intel Core Processors, Intel Xeon Processor D, and Airmont, has been added.
  • Fixes have been included to avoid dropping samples from Java programs using Just-In-Time (JIT) translation due to use of anonymous hugepages and changes in the anonymous page mappings.