xtos: move sof/lib/perf_cnt.h to application interface #9494
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The SOF perf_cnt.h provides a simple performance counter interface that is used in SOF to track performance at audio module and pipeline level. Majority of the implementation is RTOS agnostic, relying on sof_cycle_get_64() to sample platform clock, and timer_get_system() for CPU clock, both defined in rtos/timer.h. There is however some conditional rules for Zephyr to use timing_counter_get() if SOF is built with CONFIG_TIMING_FUNCTIONS=y. The amount of RTOS variation does not seem to warrant branching the whole perf_cnt.h to RTOS layer. Move perf_cnt.h back to application interface, so the single implementation can be shared. Link: thesofproject#9015 Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
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The SOF perf_cnt.h provides a simple performance counter interface that is used in SOF to track performance at audio module and pipeline level.
Majority of the implementation is RTOS agnostic, relying on sof_cycle_get_64() to sample platform clock, and timer_get_system() for CPU clock, both defined in rtos/timer.h. There is however some conditional rules for Zephyr to use timing_counter_get() if SOF is built with CONFIG_TIMING_FUNCTIONS=y.
The amount of RTOS variation does not seem to warrant branching the whole perf_cnt.h to RTOS layer. Move perf_cnt.h back to application interface, so the single implementation can be shared.
Link: #9015