/* * X86 trace clocks */#include <asm/trace_clock.h>#include <asm/barrier.h>#include <asm/msr.h> /* * trace_clock_x86_tsc(): A clock that is just the cycle counter. * * Unlike the other clocks, this is not in nanoseconds. */u64 notrace trace_clock_x86_tsc(void){	u64 ret; 	rdtsc_barrier();	rdtscll(ret); 	return ret;}