1// SPDX-License-Identifier: GPL-2.0
2/*
3 * X86 trace clocks
4 */
5#include <asm/trace_clock.h>
6#include <asm/barrier.h>
7#include <asm/tsc.h>
8
9/*
10 * trace_clock_x86_tsc(): A clock that is just the cycle counter.
11 *
12 * Unlike the other clocks, this is not in nanoseconds.
13 */
14u64 notrace trace_clock_x86_tsc(void)
15{
16 return rdtsc_ordered();
17}
18