| /kernel/linux/linux-6.6/tools/testing/selftests/powerpc/pmu/sampling_tests/ |
| H A D | misc.c | 205 unsigned long data_head, data_tail; in __event_read_samples() local
215 data_head = metadata_page->data_head; in __event_read_samples()
228 * data_head points to head in data buffer. in __event_read_samples()
232 if (data_head - data_tail < sizeof(header)) in __event_read_samples()
244 if ((metadata_page->data_tail + *size) > metadata_page->data_head) in __event_read_samples()
245 data_tail = metadata_page->data_head; in __event_read_samples()
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| /kernel/linux/linux-5.10/tools/include/linux/ |
| H A D | ring_buffer.h | 17 * if (LOAD ->data_tail) { LOAD ->data_head
21 * STORE ->data_head STORE ->data_tail
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()
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| /kernel/linux/linux-6.6/tools/include/linux/ |
| H A D | ring_buffer.h | 17 * if (LOAD ->data_tail) { LOAD ->data_head
21 * STORE ->data_head STORE ->data_tail
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()
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| /kernel/linux/linux-5.10/drivers/staging/vt6656/ |
| H A D | rxtx.h | 97 struct vnt_tx_datahead_g data_head; member
105 struct vnt_tx_datahead_ab data_head; member
115 struct vnt_tx_datahead_g data_head; member
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| H A D | rxtx.c | 253 vnt_rxtx_datahead_g(tx_context, &buf->data_head); in vnt_rxtx_rts_g_head()
269 vnt_rxtx_datahead_ab(tx_context, &buf->data_head); in vnt_rxtx_rts_ab_head()
291 vnt_rxtx_datahead_g(tx_context, &buf->data_head); in vnt_fill_cts_head()
|
| /kernel/linux/linux-6.6/drivers/staging/vt6656/ |
| H A D | rxtx.h | 95 struct vnt_tx_datahead_g data_head; member
103 struct vnt_tx_datahead_ab data_head; member
113 struct vnt_tx_datahead_g data_head; member
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| H A D | rxtx.c | 249 vnt_rxtx_datahead_g(tx_context, &buf->data_head); in vnt_rxtx_rts_g_head()
265 vnt_rxtx_datahead_ab(tx_context, &buf->data_head); in vnt_rxtx_rts_ab_head()
287 vnt_rxtx_datahead_g(tx_context, &buf->data_head); in vnt_fill_cts_head()
|
| /third_party/libbpf/include/linux/ |
| H A D | ring_buffer.h | 9 return smp_load_acquire(&base->data_head); in ring_buffer_read_head()
|
| /kernel/linux/linux-5.10/tools/testing/selftests/bpf/benchs/ |
| H A D | bench_ringbufs.c | 487 __u64 data_head, data_tail; in perfbuf_custom_consumer() local
506 data_head = ring_buffer_read_head(header); in perfbuf_custom_consumer()
508 while (data_head != data_tail) { in perfbuf_custom_consumer()
|
| /kernel/linux/linux-6.6/tools/testing/selftests/bpf/benchs/ |
| H 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()
|
| /test/testfwk/xdevice/plugins/ohos/src/ohos/environment/ |
| H A D | dmlib_lite.py | 124 data_head = time.strftime("%Y-%m-%d %H:%M:%S", local_time)
126 return "%s.%03d" % (data_head, millisecond)
|
| /kernel/linux/patches/linux-4.19/prebuilts/usr/include/linux/ |
| H A D | perf_event.h | 314 __u64 data_head; member
|
| /test/testfwk/xdevice/src/xdevice/_core/ |
| H A D | utils.py | 699 data_head = time.strftime("%Y-%m-%d %H:%M:%S", local_time)
700 return data_head
|
| /kernel/linux/linux-5.10/tools/include/uapi/linux/ |
| H A D | perf_event.h | 628 * User-space reading the @data_head value should issue an smp_rmb(),
641 __u64 data_head; /* head in the data section */ member
|
| /kernel/linux/linux-5.10/include/uapi/linux/ |
| H A D | perf_event.h | 628 * User-space reading the @data_head value should issue an smp_rmb(),
641 __u64 data_head; /* head in the data section */ member
|
| /kernel/linux/linux-6.6/include/uapi/linux/ |
| H A D | perf_event.h | 707 * User-space reading the @data_head value should issue an smp_rmb(),
720 __u64 data_head; /* head in the data section */ member
|
| /kernel/linux/linux-6.6/tools/include/uapi/linux/ |
| H A D | perf_event.h | 707 * User-space reading the @data_head value should issue an smp_rmb(),
720 __u64 data_head; /* head in the data section */ member
|
| /kernel/linux/patches/linux-6.6/prebuilts/usr/include/linux/ |
| H A D | perf_event.h | 279 __u64 data_head; member
|
| /kernel/linux/patches/linux-5.10/prebuilts/usr/include/linux/ |
| H A D | perf_event.h | 279 __u64 data_head; member
|
| /third_party/libbpf/include/uapi/linux/ |
| H A D | perf_event.h | 707 * User-space reading the @data_head value should issue an smp_rmb(),
720 __u64 data_head; /* head in the data section */ member
|
| /kernel/linux/linux-5.10/kernel/events/ |
| H A D | ring_buffer.c | 58 * @rb->user_page->data_head. in perf_output_put_handle()
88 * if (LOAD ->data_tail) { LOAD ->data_head in perf_output_put_handle()
92 * STORE ->data_head STORE ->data_tail in perf_output_put_handle()
110 WRITE_ONCE(rb->user_page->data_head, head); in perf_output_put_handle()
|
| /kernel/linux/linux-6.6/kernel/events/ |
| H A D | ring_buffer.c | 58 * @rb->user_page->data_head. in perf_output_put_handle()
88 * if (LOAD ->data_tail) { LOAD ->data_head in perf_output_put_handle()
92 * STORE ->data_head STORE ->data_tail in perf_output_put_handle()
110 WRITE_ONCE(rb->user_page->data_head, head); in perf_output_put_handle()
|
| /kernel/linux/linux-5.10/tools/lib/bpf/ |
| H A D | libbpf.c | 9904 __u64 data_head = ring_buffer_read_head(header); in bpf_perf_event_read_simple() local
9911 while (data_head != data_tail) { in bpf_perf_event_read_simple()
|
| /kernel/linux/linux-6.6/tools/lib/bpf/ |
| H A D | libbpf.c | 12254 __u64 data_head = ring_buffer_read_head(header); in perf_event_read_simple() local
12261 while (data_head != data_tail) { in perf_event_read_simple()
|
| /third_party/libbpf/src/ |
| H A D | libbpf.c | 12768 __u64 data_head = ring_buffer_read_head(header); local
12775 while (data_head != data_tail) {
|