Searched refs:watermark (Results 1 – 3 of 3) sorted by relevance
| /kernel/events/ |
| D | ring_buffer.c | 196 if (unlikely(head - local_read(&rb->wakeup) > rb->watermark)) in perf_output_begin()
197 local_add(rb->watermark, &rb->wakeup); in perf_output_begin()
253 ring_buffer_init(struct ring_buffer *rb, long watermark, int flags) in ring_buffer_init() argument
257 if (watermark) in ring_buffer_init()
258 rb->watermark = min(max_size, watermark); in ring_buffer_init()
260 if (!rb->watermark) in ring_buffer_init()
261 rb->watermark = max_size / 2; in ring_buffer_init()
523 pgoff_t pgoff, int nr_pages, long watermark, int flags) in rb_alloc_aux() argument
601 rb->aux_watermark = watermark; in rb_alloc_aux()
663 struct ring_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags) in rb_alloc() argument
[all …]
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| D | internal.h | 30 long watermark; /* wakeup watermark */ member
69 rb_alloc(int nr_pages, long watermark, int cpu, int flags);
72 pgoff_t pgoff, int nr_pages, long watermark, int flags);
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| D | core.c | 4933 event->attr.watermark ? event->attr.wakeup_watermark : 0, in perf_mmap()
5527 if (!event->attr.watermark) { in perf_output_sample()
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