Searched refs:data_head (Results 1 – 7 of 7) sorted by relevance
59 return smp_load_acquire(&base->data_head); in ring_buffer_read_head()61 u64 head = READ_ONCE(base->data_head); in ring_buffer_read_head()
205 unsigned long data_head, data_tail; in __event_read_samples() local215 data_head = metadata_page->data_head; in __event_read_samples()232 if (data_head - data_tail < sizeof(header)) in __event_read_samples()244 if ((metadata_page->data_tail + *size) > metadata_page->data_head) in __event_read_samples()245 data_tail = metadata_page->data_head; in __event_read_samples()
483 __u64 data_head, data_tail; in perfbuf_custom_consumer() local502 data_head = ring_buffer_read_head(header); in perfbuf_custom_consumer()504 while (data_head != data_tail) { in perfbuf_custom_consumer()
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_tail
724 __u64 data_head; /* head in the data section */ member
332 __u32 data_head; /* head in the data section */
13065 __u64 data_head = ring_buffer_read_head(header); in perf_event_read_simple() local13072 while (data_head != data_tail) { in perf_event_read_simple()