Searched refs:subbuf_size (Results 1 - 6 of 6) sorted by relevance
| /linux-master/kernel/ |
| H A D | relay.c | 458 * @subbuf_size: size of sub-buffers
476 size_t subbuf_size,
485 if (!(subbuf_size && n_subbufs))
487 if (subbuf_size > UINT_MAX / n_subbufs)
504 chan->subbuf_size = subbuf_size;
505 chan->alloc_size = PAGE_ALIGN(subbuf_size * n_subbufs);
664 if (unlikely(length > buf->chan->subbuf_size))
667 if (buf->offset != buf->chan->subbuf_size + 1) {
668 buf->prev_padding = buf->chan->subbuf_size
474 relay_open(const char *base_filename, struct dentry *parent, size_t subbuf_size, size_t n_subbufs, const struct rchan_callbacks *cb, void *private_data) argument
882 size_t subbuf_size = buf->chan->subbuf_size; local
914 size_t subbuf_size = buf->chan->subbuf_size; local
961 size_t subbuf_size = buf->chan->subbuf_size; local
989 size_t subbuf_size = buf->chan->subbuf_size; local
1018 size_t subbuf_size = buf->chan->subbuf_size; local
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| /linux-master/include/uapi/linux/ |
| H A D | trace_mmap.h | 11 * @subbuf_size: Size of each sub-buffer.
27 __u32 subbuf_size; member in struct:trace_buffer_meta
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| /linux-master/include/linux/ |
| H A D | relay.h | 62 size_t subbuf_size; /* sub-buffer size */ member in struct:rchan
158 size_t subbuf_size,
198 if (unlikely(buf->offset + length > chan->subbuf_size))
224 if (unlikely(buf->offset + length > buf->chan->subbuf_size))
247 if (unlikely(buf->offset + length > buf->chan->subbuf_size)) {
271 BUG_ON(length >= buf->chan->subbuf_size - 1);
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| /linux-master/tools/testing/selftests/ring-buffer/ |
| H A D | map_test.c | 116 int subbuf_size; local
120 .subbuf_size = 4,
124 .subbuf_size = 8,
151 tracefs_write_int(TRACEFS_ROOT"/buffer_subbuf_size_kb", variant->subbuf_size);
211 data_len = desc->meta->subbuf_size * desc->meta->nr_subbufs;
220 data_len -= desc->meta->subbuf_size;
227 meta_len += desc->meta->subbuf_size * 2;
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| /linux-master/drivers/gpu/drm/i915/gt/uc/ |
| H A D | intel_guc_log.c | 525 size_t n_subbufs, subbuf_size; local
535 subbuf_size = log->vma->size - intel_guc_log_section_size_capture(log);
550 subbuf_size, n_subbufs,
559 GEM_BUG_ON(guc_log_relay_chan->subbuf_size < subbuf_size);
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| /linux-master/kernel/trace/ |
| H A D | ring_buffer.c | 526 unsigned int subbuf_size; member in struct:trace_buffer
570 (unsigned int)buffer->subbuf_size,
1715 buffer->subbuf_size = PAGE_SIZE - BUF_PAGE_HDR_SIZE;
1718 buffer->max_data_size = buffer->subbuf_size - (sizeof(u32) * 2);
1720 nr_pages = DIV_ROUND_UP(size, buffer->subbuf_size);
2037 * Minimum size is 2 * buffer->subbuf_size.
2059 nr_pages = DIV_ROUND_UP(size, buffer->subbuf_size);
2545 unsigned long bsize = READ_ONCE(cpu_buffer->buffer->subbuf_size);
3570 if (unlikely(write > cpu_buffer->buffer->subbuf_size)) {
4506 unsigned long bsize = READ_ONCE(cpu_buffer->buffer->subbuf_size);
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