1. 根目录:
2. arch
3. x86
4. include
5. uapi
6. asm
7. perf_regs.h

#ifndef _ASM_X86_PERF_REGS_H
#define _ASM_X86_PERF_REGS_H

enum perf_event_x86_regs {
	PERF_REG_X86_AX,
	PERF_REG_X86_BX,
	PERF_REG_X86_CX,
	PERF_REG_X86_DX,
	PERF_REG_X86_SI,
	PERF_REG_X86_DI,
	PERF_REG_X86_BP,
	PERF_REG_X86_SP,
	PERF_REG_X86_IP,
	PERF_REG_X86_FLAGS,
	PERF_REG_X86_CS,
	PERF_REG_X86_SS,
	PERF_REG_X86_DS,
	PERF_REG_X86_ES,
	PERF_REG_X86_FS,
	PERF_REG_X86_GS,
	PERF_REG_X86_R8,
	PERF_REG_X86_R9,
	PERF_REG_X86_R10,
	PERF_REG_X86_R11,
	PERF_REG_X86_R12,
	PERF_REG_X86_R13,
	PERF_REG_X86_R14,
	PERF_REG_X86_R15,

	PERF_REG_X86_32_MAX = PERF_REG_X86_GS + 1,
	PERF_REG_X86_64_MAX = PERF_REG_X86_R15 + 1,
};
#endif /* _ASM_X86_PERF_REGS_H */