MSR_PKGC9_IRTL   1240 drivers/idle/intel_idle.c 	rdmsrl(MSR_PKGC9_IRTL, msr);
MSR_PKGC9_IRTL   2455 tools/power/x86/turbostat/turbostat.c 	get_msr(base_cpu, MSR_PKGC9_IRTL, &msr);