instrumentation.h File Reference

#include <zephyr/kernel.h>
#include <zephyr/sys/printk.h>
#include <zsl/zsl.h>

Go to the source code of this file.

Macros
#define	ZSL_INSTR_START(t)
	Reads the high-precision timer start time. More...
#define	ZSL_INSTR_STOP(t)
	Reads the high-precision timer stop time and converts to ns. This function modifies the value of t to store the execution time in ns. More...

Macro Definition Documentation

ZSL_INSTR_START

#define ZSL_INSTR_START

(

t

)

Value:

        do {          \
        t = k_cycle_get_32(); \
} while (0);

Reads the high-precision timer start time.

Definition at line 17 of file instrumentation.h.

ZSL_INSTR_STOP

#define ZSL_INSTR_STOP

(

t

)

Value:

        do {                      \
        uint32_t end = k_cycle_get_32();          \
        t = end < t ? 0xFFFFFFFF - t + end : end - t; \
        t = k_cyc_to_ns_floor32(t);           \
} while (0);

Reads the high-precision timer stop time and converts to ns. This function modifies the value of t to store the execution time in ns.

Definition at line 25 of file instrumentation.h.