PERF_REG_X86_SS 32 arch/x86/kernel/perf_regs.c PT_REGS_OFFSET(PERF_REG_X86_SS, ss), PERF_REG_X86_SS 51 tools/perf/arch/x86/include/perf_regs.h case PERF_REG_X86_SS: PERF_REG_X86_SS 25 tools/perf/arch/x86/util/perf_regs.c SMPL_REG(SS, PERF_REG_X86_SS),