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Searched refs:aux_tail (Results 1 – 4 of 4) sorted by relevance

/linux-4.4.14/kernel/events/
Dring_buffer.c272 unsigned long aux_head, aux_tail; in perf_aux_output_begin() local
310 aux_tail = ACCESS_ONCE(rb->user_page->aux_tail); in perf_aux_output_begin()
312 if (aux_head - aux_tail < perf_aux_size(rb)) in perf_aux_output_begin()
313 handle->size = CIRC_SPACE(aux_head, aux_tail, perf_aux_size(rb)); in perf_aux_output_begin()
/linux-4.4.14/tools/perf/util/
Dauxtrace.h357 pc->aux_tail = tail; in auxtrace_mmap__write_tail()
360 old_tail = __sync_val_compare_and_swap(&pc->aux_tail, 0, 0); in auxtrace_mmap__write_tail()
361 } while (!__sync_bool_compare_and_swap(&pc->aux_tail, old_tail, tail)); in auxtrace_mmap__write_tail()
/linux-4.4.14/include/uapi/linux/
Dperf_event.h559 __u64 aux_tail; member
/linux-4.4.14/tools/perf/Documentation/
Dintel-pt.txt373 yet (and indicated that by advancing aux_tail), whereas in snapshot mode we let