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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. 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