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

/linux-6.15/kernel/
H A Drelay.c475 size_t subbuf_size, in relay_open() argument
503 chan->subbuf_size = subbuf_size; in relay_open()
673 buf->chan->subbuf_size - in relay_switch_subbuf()
881 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_consume() local
913 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_avail() local
960 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_subbuf_avail() local
963 write_offset = buf->offset > subbuf_size ? subbuf_size : buf->offset; in relay_file_read_subbuf_avail()
988 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_start_pos() local
992 % (n_subbufs * subbuf_size); in relay_file_read_start_pos()
1017 size_t subbuf_size = buf->chan->subbuf_size; in relay_file_read_end_pos() local
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/linux-6.15/tools/testing/selftests/ring-buffer/
H A Dmap_test.c126 int subbuf_size; in FIXTURE_VARIANT() local
130 .subbuf_size = 4, in FIXTURE_VARIANT_ADD()
134 .subbuf_size = 8, in FIXTURE_VARIANT_ADD()
161 tracefs_write_int(TRACEFS_ROOT"/buffer_subbuf_size_kb", variant->subbuf_size); in FIXTURE_SETUP()
221 data_len = desc->meta->subbuf_size * desc->meta->nr_subbufs; in TEST_F()
230 data_len -= desc->meta->subbuf_size; in TEST_F()
237 meta_len += desc->meta->subbuf_size * 2; in TEST_F()
243 data_len = desc->meta->subbuf_size * desc->meta->nr_subbufs; in TEST_F()
245 desc->cpu_fd, data_len + (desc->meta->subbuf_size * 2)); in TEST_F()
/linux-6.15/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-6.15/kernel/trace/
H A Dring_buffer.c61 __u32 subbuf_size; member
559 unsigned int subbuf_size; member
1585 int subbuf_size = buffer->subbuf_size + BUF_PAGE_HDR_SIZE; in rb_range_meta() local
1635 int subbuf_size = meta->subbuf_size; in rb_subbufs_from_meta() local
1651 int subbuf_size; in rb_range_buffer() local
1660 subbuf_size = meta->subbuf_size; in rb_range_buffer()
1667 ptr += subbuf_size * idx; in rb_range_buffer()
1747 int subbuf_size = PAGE_SIZE; in rb_cpu_meta_valid() local
2364 int subbuf_size; in alloc_buffer() local
2380 buffer->subbuf_size = subbuf_size - BUF_PAGE_HDR_SIZE; in alloc_buffer()
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/linux-6.15/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-6.15/include/uapi/linux/
H A Dtrace_mmap.h27 __u32 subbuf_size; member
/linux-6.15/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-6.15/Documentation/filesystems/
H A Drelay.rst166 relay_open(base_filename, parent, subbuf_size, n_subbufs,