Lines Matching defs:evt_head
106 u64 evt_head = *start;
112 if (evt_head - *start >= (unsigned int)size) {
114 if (evt_head - *start > (unsigned int)size)
115 evt_head -= pheader->size;
116 *end = evt_head;
120 pheader = (struct perf_event_header *)(buf + (evt_head & mask));
124 *end = evt_head;
128 evt_head += pheader->size;
129 pr_debug3("move evt_head: %"PRIx64"\n", evt_head);