4 #include <asm/trace_clock.h>
5 #include <asm/barrier.h>
9 * trace_clock_x86_tsc(): A clock that is just the cycle counter.
11 * Unlike the other clocks, this is not in nanoseconds.
13 u64 notrace
trace_clock_x86_tsc(void)
15 return rdtsc_ordered();