PERF_REG_X86_R11
(1ULL << PERF_REG_X86_R11) | \
PT_REGS_OFFSET(PERF_REG_X86_R11, r11),
(1ULL << PERF_REG_X86_R11) | \
id = PERF_REG_X86_R11;
[PERF_REG_X86_R11] = 11,
[PERF_REG_X86_R11] = 14,
case PERF_REG_X86_R11: