To get to the Oprofile configuration, use the command ./ltib -c from the <ltib dir>. On the
screen, first go to Package list and select oprofile. Then return to the first screen and,
select Configure Kernel, then exit, and a new screen appears.
• CONFIG_OPROFILE-configuration option for the oprofile driver. In the
menuconfig this option is available under
• General Setup > Profiling support (EXPERIMENTAL) > OProfile system profiling
(EXPERIMENTAL)
44.3.3 Programming Interface
This driver implements all the methods required to configure and control PMU and L2
cache EVTMON counters.
More information, see the Linux document generated from build: make htmldocs.
44.3.4 Interrupt Requirements
The number of interrupts generated with respect to the OProfile driver are numerous. The
latency requirements are not needed.
The rate at which interrupts are generated depends on the event.
Chapter 44 OProfile
i.MX 6Solo/6DualLite Linux Reference Manual, Rev. L3.0.35_4.1.0, 09/2013
Freescale Semiconductor, Inc.
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