xref: /linux/arch/x86/include/asm/trace_clock.h (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9) 
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_TRACE_CLOCK_H
3 #define _ASM_X86_TRACE_CLOCK_H
4 
5 #include <linux/compiler.h>
6 #include <linux/types.h>
7 
8 #ifdef CONFIG_X86_TSC
9 
10 extern u64 notrace trace_clock_x86_tsc(void);
11 
12 # define ARCH_TRACE_CLOCKS \
13 	{ trace_clock_x86_tsc,	"x86-tsc",	.in_ns = 0 },
14 
15 #else /* !CONFIG_X86_TSC */
16 
17 #define ARCH_TRACE_CLOCKS
18 
19 #endif
20 
21 #endif  /* _ASM_X86_TRACE_CLOCK_H */
22