Searched refs:watermark (Results 1 – 3 of 3) sorted by relevance
| /kernel/events/ |
| D | ring_buffer.c | 230 if (unlikely(head - local_read(&rb->wakeup) > rb->watermark)) in __perf_output_begin()
231 local_add(rb->watermark, &rb->wakeup); in __perf_output_begin()
306 ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) in ring_buffer_init() argument
310 if (watermark) in ring_buffer_init()
311 rb->watermark = min(max_size, watermark); in ring_buffer_init()
313 if (!rb->watermark) in ring_buffer_init()
314 rb->watermark = max_size / 2; in ring_buffer_init()
668 pgoff_t pgoff, int nr_pages, long watermark, int flags) in rb_alloc_aux() argument
750 rb->aux_watermark = watermark; in rb_alloc_aux()
809 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags) in rb_alloc() argument
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| D | internal.h | 32 long watermark; /* wakeup watermark */ member
80 rb_alloc(int nr_pages, long watermark, int cpu, int flags);
83 pgoff_t pgoff, int nr_pages, long watermark, int flags);
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| D | core.c | 6288 event->attr.watermark ? event->attr.wakeup_watermark : 0, in perf_mmap()
7064 if (!event->attr.watermark) { in perf_output_sample()
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