pwr_acc 53 arch/x86/events/amd/power.c prev_pwr_acc = hwc->pwr_acc; pwr_acc 83 arch/x86/events/amd/power.c rdmsrl(MSR_F15H_CU_PWR_ACCUMULATOR, event->hw.pwr_acc); pwr_acc 145 include/linux/perf_event.h u64 pwr_acc;