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

/tools/include/linux/
A D	ring_buffer.h	`59 return smp_load_acquire(&base->data_head); in ring_buffer_read_head() 61 u64 head = READ_ONCE(base->data_head); in ring_buffer_read_head()`
/tools/testing/selftests/powerpc/pmu/sampling_tests/
A D	misc.c	`212 unsigned long data_head, data_tail; in __event_read_samples() local 222 data_head = metadata_page->data_head; in __event_read_samples() 239 if (data_head - data_tail < sizeof(header)) in __event_read_samples() 251 if ((metadata_page->data_tail + *size) > metadata_page->data_head) in __event_read_samples() 252 data_tail = metadata_page->data_head; in __event_read_samples()`
/tools/perf/arch/x86/tests/
A D	amd-ibs-period.c	`151 unsigned long data_tail, data_head; in rb_read() local 156 data_head = rb->data_head; in rb_read() 160 if ((data_head - data_tail) < size) in rb_read() 171 size_t data_head = rb->data_head; in rb_skip() local 175 if ((rb->data_tail + size) > data_head) in rb_skip() 176 rb->data_tail = data_head; in rb_skip()`
/tools/testing/selftests/bpf/benchs/
A D	bench_ringbufs.c	`483 __u64 data_head, data_tail; in perfbuf_custom_consumer() local 502 data_head = ring_buffer_read_head(header); in perfbuf_custom_consumer() 504 while (data_head != data_tail) { in perfbuf_custom_consumer()`
/tools/memory-model/Documentation/
A D	recipes.txt	`338 * if (LOAD ->data_tail) { LOAD ->data_head 342 * STORE ->data_head STORE ->data_tail 393 * if (LOAD ->data_tail) { LOAD ->data_head 397 * STORE ->data_head STORE ->data_tail`
/tools/include/uapi/linux/
A D	perf_event.h	`745 __u64 data_head; /* head in the data section */ member`
/tools/perf/
A D	design.txt	`332 __u32 data_head; /* head in the data section */`
/tools/lib/bpf/
A D	libbpf.c	`13227 __u64 data_head = ring_buffer_read_head(header); 13234 while (data_head != data_tail) {`

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