5.2.2. OProfile in Red Hat Enterprise Linux 7
OProfile 0.9.9, which is included in Red Hat Enterprise Linux 7, contains a number of improvements over previous versions. The new version also supports the utilization of the Linux Performance Events subsystem using the new
operf command.
5.2.2.1. New Features
A new
operf program is now available that allows non-root users to profile single processes. This can also be used for system-wide profiling, but in this case, root authority is required.
OProfile 0.9.9 now supports the following:
- IBM POWER8 processors
- Intel Haswell processors
- IBM zEnterprise EC12 (zEC12) processor
- AMD Generic Performance Events
- IBM Power ISA 2.07 Architected Events
