root/arch/x86/include/asm/trace_clock.h

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INCLUDED FROM

   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 */
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