Lines Matching refs:watermark
237 if (unlikely(head - local_read(&rb->wakeup) > rb->watermark)) in __perf_output_begin()
238 local_add(rb->watermark, &rb->wakeup); in __perf_output_begin()
314 ring_buffer_init(struct perf_buffer *rb, long watermark, int flags) in ring_buffer_init() argument
318 if (watermark) in ring_buffer_init()
319 rb->watermark = min(max_size, watermark); in ring_buffer_init()
321 if (!rb->watermark) in ring_buffer_init()
322 rb->watermark = max_size / 2; in ring_buffer_init()
678 pgoff_t pgoff, int nr_pages, long watermark, int flags) in rb_alloc_aux() argument
695 if (!watermark) in rb_alloc_aux()
696 watermark = min_t(unsigned long, in rb_alloc_aux()
704 max_order = get_order(watermark); in rb_alloc_aux()
711 watermark = 0; in rb_alloc_aux()
770 rb->aux_watermark = watermark; in rb_alloc_aux()
826 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags) in rb_alloc() argument
855 ring_buffer_init(rb, watermark, flags); in rb_alloc()
923 struct perf_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags) in rb_alloc() argument
951 ring_buffer_init(rb, watermark, flags); in rb_alloc()