xref: /linux/arch/x86/include/asm/trace_clock.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 #ifndef _ASM_X86_TRACE_CLOCK_H
2 #define _ASM_X86_TRACE_CLOCK_H
3 
4 #include <linux/compiler.h>
5 #include <linux/types.h>
6 
7 #ifdef CONFIG_X86_TSC
8 
9 extern u64 notrace trace_clock_x86_tsc(void);
10 
11 # define ARCH_TRACE_CLOCKS \
12 	{ trace_clock_x86_tsc,	"x86-tsc",	.in_ns = 0 },
13 
14 #else /* !CONFIG_X86_TSC */
15 
16 #define ARCH_TRACE_CLOCKS
17 
18 #endif
19 
20 #endif  /* _ASM_X86_TRACE_CLOCK_H */
21