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#ifndef SFRT_UTIL_H
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#define SFRT_UTIL_H
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/**
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* Get CPU time in cycles using the Intel instruction rdtsc
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* @return CPU time in cycles
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**/
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static unsigned long long int
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util__rdtsc(void)
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{
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unsigned long long int cpu_time_in_cycles = 0;
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unsigned int cycles_lo;
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unsigned int cycles_hi;
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__asm__ volatile("rdtsc" : "=a"(cycles_lo), "=d"(cycles_hi));
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cpu_time_in_cycles = (unsigned long long int)cycles_hi << 32 | cycles_lo;
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return cpu_time_in_cycles;
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}
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#endif /* SFRT_UTIL_H */
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