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a155-U-u1/kernel-5.10/arch/x86/kernel/trace_clock.c
physwizz 99537be4e2 first
2024-03-11 06:53:12 +11:00

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C

// SPDX-License-Identifier: GPL-2.0
/*
* 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)
{
return rdtsc_ordered();
}