Searched refs:data_tail (Results 1 – 6 of 6) sorted by relevance
88 pc->data_tail = tail; in perf_mmap__write_tail()
334 * if (LOAD ->data_tail) { LOAD ->data_head338 * STORE ->data_head STORE ->data_tail389 * if (LOAD ->data_tail) { LOAD ->data_head393 * STORE ->data_head STORE ->data_tail398 The kernel's control dependency between the load from ->data_tail400 between the load from data and the store to ->data_tail prevents
2371 __u64 data_tail = header->data_tail; in bpf_perf_event_read_simple() local2377 if (data_head == data_tail) in bpf_perf_event_read_simple()2382 begin = base + data_tail % size; in bpf_perf_event_read_simple()2416 data_tail += ehdr->size; in bpf_perf_event_read_simple()2420 header->data_tail = data_tail; in bpf_perf_event_read_simple()
610 __u64 data_tail; /* user-space written tail */ member
161 tail = READ_ONCE(rb->user_page->data_tail); in __perf_output_begin()
