PERF_REG_X86_SI    10 arch/x86/include/uapi/asm/perf_regs.h 	PERF_REG_X86_SI,
PERF_REG_X86_SI    10 tools/arch/x86/include/uapi/asm/perf_regs.h 	PERF_REG_X86_SI,