sys_lpi_file_sysfs 308 tools/power/x86/turbostat/turbostat.c char *sys_lpi_file_sysfs = "/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us"; sys_lpi_file_sysfs 4923 tools/power/x86/turbostat/turbostat.c if (!access(sys_lpi_file_sysfs, R_OK)) { sys_lpi_file_sysfs 4924 tools/power/x86/turbostat/turbostat.c sys_lpi_file = sys_lpi_file_sysfs; sys_lpi_file_sysfs 4930 tools/power/x86/turbostat/turbostat.c sys_lpi_file_sysfs = NULL;