MSR_IA32_MPERF 144 arch/x86/events/msr.c [PERF_MSR_MPERF] = { MSR_IA32_MPERF, &group_mperf, test_aperfmperf, }, MSR_IA32_MPERF 48 arch/x86/kernel/cpu/aperfmperf.c rdmsrl(MSR_IA32_MPERF, mperf); MSR_IA32_MPERF 1712 drivers/cpufreq/intel_pstate.c rdmsrl(MSR_IA32_MPERF, mperf); MSR_IA32_MPERF 1829 tools/power/x86/turbostat/turbostat.c if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))