diff options
Diffstat (limited to 'arch/x86/include/asm/trace_clock.h')
| -rw-r--r-- | arch/x86/include/asm/trace_clock.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/include/asm/trace_clock.h b/arch/x86/include/asm/trace_clock.h new file mode 100644 index 000000000..7061a5650 --- /dev/null +++ b/arch/x86/include/asm/trace_clock.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_TRACE_CLOCK_H +#define _ASM_X86_TRACE_CLOCK_H + +#include <linux/compiler.h> +#include <linux/types.h> + +#ifdef CONFIG_X86_TSC + +extern u64 notrace trace_clock_x86_tsc(void); + +# define ARCH_TRACE_CLOCKS \ + { trace_clock_x86_tsc, "x86-tsc", .in_ns = 0 }, + +#else /* !CONFIG_X86_TSC */ + +#define ARCH_TRACE_CLOCKS + +#endif + +#endif /* _ASM_X86_TRACE_CLOCK_H */ |