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RTOS/SYSBIOS: How are the timers used in sysbios

Part Number: SYSBIOS
Other Parts Discussed in Thread: OMAP-L138, OMAPL138,

Tool/software: TI-RTOS

CCSv7, OMAP-L138, processor_sdk_rtos_omapl138_5_01_00_11, pdk_omapl138_1_0_5

In my app.cfg, I have

BIOS.cpuFreq.hi = 0;
BIOS.cpuFreq.lo = 360448000; // == PLL0_SYSCLK1
ti_sysbios_timers_timer64_Timer.intFreqs[0].lo = 32768000; // == OSCIN
ti_sysbios_timers_timer64_Timer.intFreqs[1].lo = 32768000; // == OSCIN
ti_sysbios_timers_timer64_Timer.intFreqs[2].lo = 147456000; // == PLL1_SYSCLK2
ti_sysbios_timers_timer64_Timer.intFreqs[3].lo = 147456000; // == PLL1_SYSCLK2

but when I look at TIMER64P2 and TIMER64P3, they appear uninitialized.

Does SYSBIOS use these timers?  If so, what for?

I'd like to reclaim on to use for performance metrics.