CPUPOWER_CAP_APERF
if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_APERF))
cpu_info->caps |= CPUPOWER_CAP_APERF;
if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_APERF))
if (!(cpupower_cpu_info.caps & CPUPOWER_CAP_APERF))