Lines Matching refs:sample_period
116 s64 period = hwc->sample_period; in perf_event_set_period()
281 if (hwc->sample_period) { in perf_ibs_init()
285 if (!event->attr.sample_freq && hwc->sample_period & 0x0f) in perf_ibs_init()
292 hwc->sample_period &= ~0x0FULL; in perf_ibs_init()
293 if (!hwc->sample_period) in perf_ibs_init()
294 hwc->sample_period = 0x10; in perf_ibs_init()
298 event->attr.sample_period = max_cnt << 4; in perf_ibs_init()
299 hwc->sample_period = event->attr.sample_period; in perf_ibs_init()
302 if (!hwc->sample_period) in perf_ibs_init()
309 hwc->last_period = hwc->sample_period; in perf_ibs_init()
310 local64_set(&hwc->period_left, hwc->sample_period); in perf_ibs_init()