SAMPL_RATE
perf_event_count_update(event, SAMPL_RATE(&event->hw));
SAMPL_RATE(hwc) += DIV_ROUND_UP(SAMPL_RATE(hwc), 10);
if (SAMPL_RATE(hwc) > cpuhw->qsi.max_sampl_rate)
SAMPL_RATE(hwc) = cpuhw->qsi.max_sampl_rate;
SAMPL_RATE(&event->hw) = rate;
hw_init_period(&event->hw, SAMPL_RATE(&event->hw));
cpuhw->lsctl.interval = SAMPL_RATE(&event->hw);
freq = sample_rate_to_freq(&cpuhw->qsi, SAMPL_RATE(hwc));
sample_rate_to_freq(&cpuhw->qsi, SAMPL_RATE(hwc)));
SAMPL_RATE(hwc) = rate;
hw_init_period(hwc, SAMPL_RATE(hwc));
cpuhw->lsctl.interval = SAMPL_RATE(hwc);