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Searched refs:subbuf_size (Results 1 – 8 of 8) sorted by relevance

/linux/kernel/
H A Drelay.c476 size_t subbuf_size, in relay_open() argument
504 chan->subbuf_size = subbuf_size; in relay_open()
674 buf->chan->subbuf_size - in relay_switch_subbuf()
882 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_consume() local
914 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_avail() local
961 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_subbuf_avail() local
964 write_offset = buf->offset > subbuf_size ? subbuf_size : buf->offset; in relay_file_read_subbuf_avail()
989 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_start_pos() local
993 % (n_subbufs * subbuf_size); in relay_file_read_start_pos()
1018 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_end_pos() local
[all …]
/linux/include/linux/
H A Drelay.h62 size_t subbuf_size; /* sub-buffer size */ member
158 size_t subbuf_size,
198 if (unlikely(buf->offset + length > chan->subbuf_size)) in relay_write()
224 if (unlikely(buf->offset + length > buf->chan->subbuf_size)) in __relay_write()
247 if (unlikely(buf->offset + length > buf->chan->subbuf_size)) { in relay_reserve()
271 BUG_ON(length >= buf->chan->subbuf_size - 1); in subbuf_start_reserve()
/linux/tools/testing/selftests/ring-buffer/
H A Dmap_test.c116 int subbuf_size; in FIXTURE_VARIANT() local
120 .subbuf_size = 4, in FIXTURE_VARIANT_ADD()
124 .subbuf_size = 8, in FIXTURE_VARIANT_ADD()
151 tracefs_write_int(TRACEFS_ROOT"/buffer_subbuf_size_kb", variant->subbuf_size); in FIXTURE_SETUP()
211 data_len = desc->meta->subbuf_size * desc->meta->nr_subbufs; in TEST_F()
220 data_len -= desc->meta->subbuf_size; in TEST_F()
227 meta_len += desc->meta->subbuf_size * 2; in TEST_F()
/linux/Documentation/trace/
H A Dring-buffer-map.rst30 reader_offset = meta->meta_page_size + reader_id * meta->subbuf_size;
88 data_len = meta->subbuf_size * meta->nr_subbufs;
97 reader = data + meta->subbuf_size * reader_id;
/linux/include/uapi/linux/
H A Dtrace_mmap.h27 __u32 subbuf_size; member
/linux/drivers/gpu/drm/i915/gt/uc/
H A Dintel_guc_log.c525 size_t n_subbufs, subbuf_size; in guc_log_relay_create() local
535 subbuf_size = log->vma->size - intel_guc_log_section_size_capture(log); in guc_log_relay_create()
550 subbuf_size, n_subbufs, in guc_log_relay_create()
559 GEM_BUG_ON(guc_log_relay_chan->subbuf_size < subbuf_size); in guc_log_relay_create()
/linux/kernel/trace/
H A Dring_buffer.c526 unsigned int subbuf_size; member
570 (unsigned int)buffer->subbuf_size, in ring_buffer_print_page_header()
1720 nr_pages = DIV_ROUND_UP(size, buffer->subbuf_size); in __ring_buffer_alloc()
2059 nr_pages = DIV_ROUND_UP(size, buffer->subbuf_size); in ring_buffer_resize()
5082 iter->event_size = buffer->subbuf_size; in ring_buffer_read_prepare()
5877 if (commit < buffer->subbuf_size) in ring_buffer_read_page()
5908 return buffer->subbuf_size + BUF_PAGE_HDR_SIZE; in ring_buffer_subbuf_size_get()
5974 old_size = buffer->subbuf_size; in ring_buffer_subbuf_order_set()
5984 buffer->subbuf_size = psize - BUF_PAGE_HDR_SIZE; in ring_buffer_subbuf_order_set()
6079 buffer->subbuf_size = old_size; in ring_buffer_subbuf_order_set()
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/linux/Documentation/filesystems/
H A Drelay.rst166 relay_open(base_filename, parent, subbuf_size, n_subbufs,