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Help
Searched
refs:data_tail
(Results
1 - 16
of
16
) sorted by relevance
/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
218
data_tail
= metadata_page->
data_tail
;
in __event_read_samples()
227
* the
data_tail
to know the last read data.
in __event_read_samples()
232
if (data_head -
data_tail
< sizeof(header))
in __event_read_samples()
235
data_tail
+= sizeof(header);
in __event_read_samples()
239
return sample_buff + page_size +
data_tail
;
in __event_read_samples()
240
data_tail
+= *size;
in __event_read_samples()
244
if ((metadata_page->
data_tail
+ *size) > metadata_page->data_head)
in __event_read_samples()
245
data_tail
in __event_read_samples()
[all...]
/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
507
data_tail
= header->
data_tail
;
in perfbuf_custom_consumer()
508
while (data_head !=
data_tail
) {
in perfbuf_custom_consumer()
509
ehdr = base + (
data_tail
& mmap_mask);
in perfbuf_custom_consumer()
515
data_tail
+= ehdr_size;
in perfbuf_custom_consumer()
517
ring_buffer_write_tail(header,
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
503
data_tail
= header->
data_tail
;
in perfbuf_custom_consumer()
504
while (data_head !=
data_tail
) {
in perfbuf_custom_consumer()
505
ehdr = base + (
data_tail
& mmap_mask);
in perfbuf_custom_consumer()
511
data_tail
+= ehdr_size;
in perfbuf_custom_consumer()
513
ring_buffer_write_tail(header,
data_tail
);
in perfbuf_custom_consumer()
/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
27
* load of the ->
data_tail
and the stores of $data. In case
28
* ->
data_tail
indicates there is no room in the buffer to
71
smp_store_release(&base->
data_tail
, tail);
in ring_buffer_write_tail()
/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
27
* load of the ->
data_tail
and the stores of $data. In case
28
* ->
data_tail
indicates there is no room in the buffer to
71
smp_store_release(&base->
data_tail
, tail);
in ring_buffer_write_tail()
/kernel/linux/patches/linux-4.19/prebuilts/usr/include/linux/
H
A
D
perf_event.h
315
__u64
data_tail
;
member
/kernel/linux/linux-5.10/tools/include/uapi/linux/
H
A
D
perf_event.h
631
* When the mapping is PROT_WRITE the @
data_tail
value should be
633
* an smp_mb() to separate the data read from the ->
data_tail
store.
642
__u64
data_tail
; /* user-space written tail */
member
/kernel/linux/linux-5.10/include/uapi/linux/
H
A
D
perf_event.h
631
* When the mapping is PROT_WRITE the @
data_tail
value should be
633
* an smp_mb() to separate the data read from the ->
data_tail
store.
642
__u64
data_tail
; /* user-space written tail */
member
/kernel/linux/linux-6.6/include/uapi/linux/
H
A
D
perf_event.h
710
* When the mapping is PROT_WRITE the @
data_tail
value should be
712
* an smp_mb() to separate the data read from the ->
data_tail
store.
721
__u64
data_tail
; /* user-space written tail */
member
/kernel/linux/linux-6.6/tools/include/uapi/linux/
H
A
D
perf_event.h
710
* When the mapping is PROT_WRITE the @
data_tail
value should be
712
* an smp_mb() to separate the data read from the ->
data_tail
store.
721
__u64
data_tail
; /* user-space written tail */
member
/kernel/linux/patches/linux-6.6/prebuilts/usr/include/linux/
H
A
D
perf_event.h
280
__u64
data_tail
;
member
/kernel/linux/patches/linux-5.10/prebuilts/usr/include/linux/
H
A
D
perf_event.h
280
__u64
data_tail
;
member
/kernel/linux/linux-5.10/kernel/events/
H
A
D
ring_buffer.c
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()
98
* the ->
data_tail
and the stores of $data. In case ->
data_tail
in perf_output_put_handle()
195
tail = READ_ONCE(rb->user_page->
data_tail
);
in __perf_output_begin()
/kernel/linux/linux-6.6/kernel/events/
H
A
D
ring_buffer.c
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()
98
* the ->
data_tail
and the stores of $data. In case ->
data_tail
in perf_output_put_handle()
197
tail = READ_ONCE(rb->user_page->
data_tail
);
in __perf_output_begin()
/kernel/linux/linux-5.10/tools/lib/bpf/
H
A
D
libbpf.c
9905
__u64
data_tail
= header->
data_tail
;
in bpf_perf_event_read_simple()
local
9911
while (data_head !=
data_tail
) {
in bpf_perf_event_read_simple()
9912
ehdr = base + (
data_tail
& (mmap_size - 1));
in bpf_perf_event_read_simple()
9937
data_tail
+= ehdr_size;
in bpf_perf_event_read_simple()
9942
ring_buffer_write_tail(header,
data_tail
);
in bpf_perf_event_read_simple()
/kernel/linux/linux-6.6/tools/lib/bpf/
H
A
D
libbpf.c
12255
__u64
data_tail
= header->
data_tail
;
in perf_event_read_simple()
local
12261
while (data_head !=
data_tail
) {
in perf_event_read_simple()
12262
ehdr = base + (
data_tail
& (mmap_size - 1));
in perf_event_read_simple()
12287
data_tail
+= ehdr_size;
in perf_event_read_simple()
12292
ring_buffer_write_tail(header,
data_tail
);
in perf_event_read_simple()
Completed in 51 milliseconds