MSR_PKGC8_IRTL   1233 drivers/idle/intel_idle.c 	rdmsrl(MSR_PKGC8_IRTL, msr);
MSR_PKGC8_IRTL   2450 tools/power/x86/turbostat/turbostat.c 	get_msr(base_cpu, MSR_PKGC8_IRTL, &msr);