| 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 | 
