raw_local_irq_save(flags); asm volatile ("CPUID\n\t""RDTSC\n\t""mov %%edx, %0\n\t""mov %%eax, %1\n\t":"=r"(cycles_high),"=r"(cycles_low)::"%rax","%rbx","%rcx","%rdx");/*call the function to measure here*/asm volatile("CPUID\n\t""RDTSC\n\t""mov %%edx, ...