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Searched refs:ringbuf (Results 1 - 25 of 29) sorted by relevance

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/kernel/linux/linux-6.6/tools/testing/selftests/bpf/prog_tests/
H A Duser_ringbuf.c31 static int write_samples(struct user_ring_buffer *ringbuf, uint32_t num_samples) in write_samples() argument
40 entry = user_ring_buffer__reserve(ringbuf, sizeof(*entry)); in write_samples()
57 user_ring_buffer__discard(ringbuf, entry); in write_samples()
61 user_ring_buffer__submit(ringbuf, entry); in write_samples()
238 struct user_ring_buffer *ringbuf; in test_user_ringbuf_post_misaligned() local
242 err = load_skel_create_user_ringbuf(&skel, &ringbuf); in test_user_ringbuf_post_misaligned()
247 user_ring_buffer__free(ringbuf); in test_user_ringbuf_post_misaligned()
254 struct user_ring_buffer *ringbuf; in test_user_ringbuf_post_producer_wrong_offset() local
258 err = load_skel_create_user_ringbuf(&skel, &ringbuf); in test_user_ringbuf_post_producer_wrong_offset()
263 user_ring_buffer__free(ringbuf); in test_user_ringbuf_post_producer_wrong_offset()
270 struct user_ring_buffer *ringbuf; test_user_ringbuf_post_larger_than_ringbuf_sz() local
286 struct user_ring_buffer *ringbuf; test_user_ringbuf_basic() local
309 struct user_ring_buffer *ringbuf; test_user_ringbuf_sample_full_ring_buffer() local
334 struct user_ring_buffer *ringbuf; test_user_ringbuf_post_alignment_autoadjust() local
358 struct user_ring_buffer *ringbuf; test_user_ringbuf_overfill() local
376 struct user_ring_buffer *ringbuf; test_user_ringbuf_discards_properly_ignored() local
421 struct user_ring_buffer *ringbuf; test_user_ringbuf_loop() local
456 send_test_message(struct user_ring_buffer *ringbuf, enum test_msg_op op, s64 operand_64, s32 operand_32) send_test_message() argument
608 struct user_ring_buffer *ringbuf; test_user_ringbuf_blocking_reserve() local
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H A Dtest_ima.c68 struct ring_buffer *ringbuf = NULL; in test_test_ima() local
80 ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf), in test_test_ima()
82 if (!ASSERT_OK_PTR(ringbuf, "ringbuf")) in test_test_ima()
108 err = ring_buffer__consume(ringbuf); in test_test_ima()
123 err = ring_buffer__consume(ringbuf); in test_test_ima()
154 err = ring_buffer__consume(ringbuf); in test_test_ima()
181 err = ring_buffer__consume(ringbuf); in test_test_ima()
212 err = ring_buffer__consume(ringbuf); in test_test_ima()
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H A Dringbuf.c64 static struct ring_buffer *ringbuf; variable
83 return (void *)(long)ring_buffer__poll(ringbuf, timeout); in poll_thread()
99 skel->maps.ringbuf.max_entries = page_size; in ringbuf_subtest()
105 rb_fd = skel->maps.ringbuf.map_fd; in ringbuf_subtest()
154 ringbuf = ring_buffer__new(skel->maps.ringbuf.map_fd, in ringbuf_subtest()
156 if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n")) in ringbuf_subtest()
180 err = ring_buffer__poll(ringbuf, -1); in ringbuf_subtest()
189 err = ring_buffer__poll(ringbuf, in ringbuf_subtest()
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H A Dringbuf_multi.c44 struct ring_buffer *ringbuf = NULL; in test_ringbuf_multi() local
53 /* validate ringbuf size adjustment logic */ in test_ringbuf_multi()
75 /* make sure we can't resize ringbuf after object load */ in test_ringbuf_multi()
82 ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf1), in test_ringbuf_multi()
84 if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n")) in test_ringbuf_multi()
87 err = ring_buffer__add(ringbuf, bpf_map__fd(skel->maps.ringbuf2), in test_ringbuf_multi()
101 /* skipped, no ringbuf in slot 1 */ in test_ringbuf_multi()
111 err = ring_buffer__poll(ringbuf, -1); in test_ringbuf_multi()
116 err = ring_buffer__poll(ringbuf, in test_ringbuf_multi()
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H A Dunpriv_bpf_disabled.c63 struct ring_buffer *ringbuf = NULL; in test_unpriv_bpf_disabled_positive() local
82 ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf), process_ringbuf, NULL, NULL); in test_unpriv_bpf_disabled_positive()
83 if (!ASSERT_OK_PTR(ringbuf, "ring_buffer__new")) in test_unpriv_bpf_disabled_positive()
86 /* trigger & validate perf event, ringbuf output */ in test_unpriv_bpf_disabled_positive()
91 ASSERT_EQ(ring_buffer__consume(ringbuf), 1, "ring_buffer__consume"); in test_unpriv_bpf_disabled_positive()
108 /* skip ringbuf, perfbuf */ in test_unpriv_bpf_disabled_positive()
137 if (ringbuf) in test_unpriv_bpf_disabled_positive()
138 ring_buffer__free(ringbuf); in test_unpriv_bpf_disabled_positive()
227 PINPATH "ringbuf", in test_unpriv_bpf_disabled()
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/kernel/liteos_a/kernel/extended/perf/
H A Dperf_output.c55 ret = LOS_CirBufInit(&g_perfOutputCb.ringbuf, buf, size); in OsPerfOutputInit()
72 g_perfBufFlushHook(g_perfOutputCb.ringbuf.fifo, g_perfOutputCb.ringbuf.size); in OsPerfOutputFlush()
79 return LOS_CirBufRead(&g_perfOutputCb.ringbuf, dest, size); in OsPerfOutputRead()
84 if (g_perfOutputCb.ringbuf.remain < size) { in OsPerfOutputBegin()
94 if (LOS_CirBufUsedSize(&g_perfOutputCb.ringbuf) >= g_perfOutputCb.waterMark) { in OsPerfOutputEnd()
107 LOS_CirBufWrite(&g_perfOutputCb.ringbuf, data, size); in OsPerfOutputWrite()
115 PRINT_EMG("dump perf data, addr: %p length: %#x\n", g_perfOutputCb.ringbuf.fifo, g_perfOutputCb.ringbuf.size); in OsPerfOutputInfo()
H A Dperf_output_pri.h45 CirBuf ringbuf; /* ring buffer */ member
/kernel/linux/linux-6.6/tools/testing/selftests/bpf/progs/
H A Ddynptr_fail.c57 } ringbuf SEC(".maps");
85 bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr); in ringbuf_missing_release1()
99 bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr1); in ringbuf_missing_release2()
100 bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr2); in ringbuf_missing_release2()
120 bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr); in missing_release_callback_fn()
157 bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(read_data), 0, &ptr); in use_after_invalid()
169 /* Can't call non-dynptr ringbuf APIs on a dynptr ringbuf sample */
177 bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(*sample), 0, &ptr); in ringbuf_invalid_api()
200 bpf_ringbuf_reserve_dynptr(&ringbuf, va in add_dynptr_to_map1()
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H A Dtest_ringbuf.c19 } ringbuf SEC(".maps");
48 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); in test_ringbuf()
63 bpf_ringbuf_output(&ringbuf, sample, sizeof(*sample), flags); in test_ringbuf()
71 avail_data = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA); in test_ringbuf()
72 ring_size = bpf_ringbuf_query(&ringbuf, BPF_RB_RING_SIZE); in test_ringbuf()
73 cons_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_CONS_POS); in test_ringbuf()
74 prod_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_PROD_POS); in test_ringbuf()
H A Dringbuf_bench.c13 } ringbuf SEC(".maps");
30 sz = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA); in get_flags()
42 sample = bpf_ringbuf_reserve(&ringbuf, in bench_ringbuf()
55 if (bpf_ringbuf_output(&ringbuf, &sample_val, in bench_ringbuf()
H A Ddynptr_success.c26 } ringbuf SEC(".maps");
46 bpf_ringbuf_reserve_dynptr(&ringbuf, sizeof(write_data), 0, &ptr); in test_read_write()
148 err = bpf_ringbuf_reserve_dynptr(&ringbuf, val, 0, &ptr); in test_ringbuf()
223 err = bpf_ringbuf_reserve_dynptr(&ringbuf, bytes, 0, &ptr); in test_adjust()
275 if (bpf_ringbuf_reserve_dynptr(&ringbuf, size, 0, &ptr)) { in test_adjust_err()
312 * a ringbuf dynptr works in test_adjust_err()
332 if (bpf_ringbuf_reserve_dynptr(&ringbuf, size, 0, &ptr)) { in test_zero_size_dynptr()
383 if (bpf_ringbuf_reserve_dynptr(&ringbuf, size, 123, &ptr1) != -EINVAL) { in test_dynptr_is_null()
395 if (bpf_ringbuf_reserve_dynptr(&ringbuf, size, 0, &ptr2)) { in test_dynptr_is_null()
445 if (bpf_ringbuf_reserve_dynptr(&ringbuf, 6 in test_dynptr_is_rdonly()
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H A Dtest_ringbuf_map_key.c19 } ringbuf SEC(".maps");
44 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); in test_ringbuf_mem_map_key()
H A Dima.c17 } ringbuf SEC(".maps");
44 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(u64), 0); in ima_test_common()
H A Dtest_unpriv_bpf_disabled.c52 } ringbuf SEC(".maps");
72 bpf_ringbuf_output(&ringbuf, &ringbuf_val, sizeof(ringbuf_val), 0); in sys_nanosleep_enter()
H A Duser_ringbuf_fail.c25 } ringbuf SEC(".maps");
205 bpf_ringbuf_reserve_dynptr(&ringbuf, 8, 0, dynptr); in try_reinit_dynptr_ringbuf()
H A Dverifier_iterating_callbacks.c17 } ringbuf SEC(".maps");
147 bpf_user_ringbuf_drain(&ringbuf, ringbuf_drain_cb, &loop_ctx, 0); in unsafe_ringbuf_drain()
H A Dtest_d_path_check_types.c12 } ringbuf SEC(".maps");
/kernel/linux/linux-5.10/tools/testing/selftests/bpf/progs/
H A Dtest_ringbuf.c19 } ringbuf SEC(".maps");
49 sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0); in test_ringbuf()
64 bpf_ringbuf_output(&ringbuf, sample, sizeof(*sample), flags); in test_ringbuf()
72 avail_data = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA); in test_ringbuf()
73 ring_size = bpf_ringbuf_query(&ringbuf, BPF_RB_RING_SIZE); in test_ringbuf()
74 cons_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_CONS_POS); in test_ringbuf()
75 prod_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_PROD_POS); in test_ringbuf()
H A Dringbuf_bench.c12 } ringbuf SEC(".maps");
29 sz = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA); in get_flags()
41 sample = bpf_ringbuf_reserve(&ringbuf, in bench_ringbuf()
54 if (bpf_ringbuf_output(&ringbuf, &sample_val, in bench_ringbuf()
H A Dtest_d_path_check_types.c12 } ringbuf SEC(".maps");
/kernel/linux/linux-5.10/tools/testing/selftests/bpf/prog_tests/
H A Dringbuf_multi.c44 struct ring_buffer *ringbuf; in test_ringbuf_multi() local
54 ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf1), in test_ringbuf_multi()
56 if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n")) in test_ringbuf_multi()
59 err = ring_buffer__add(ringbuf, bpf_map__fd(skel->maps.ringbuf2), in test_ringbuf_multi()
73 /* skipped, no ringbuf in slot 1 */ in test_ringbuf_multi()
83 err = ring_buffer__poll(ringbuf, -1); in test_ringbuf_multi()
88 err = ring_buffer__poll(ringbuf, 0); in test_ringbuf_multi()
100 ring_buffer__free(ringbuf); in test_ringbuf_multi()
H A Dringbuf.c62 static struct ring_buffer *ringbuf; variable
81 return (void *)(long)ring_buffer__poll(ringbuf, timeout); in poll_thread()
98 ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf), in test_ringbuf()
100 if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n")) in test_ringbuf()
124 err = ring_buffer__poll(ringbuf, -1); in test_ringbuf()
133 err = ring_buffer__poll(ringbuf, 0); in test_ringbuf()
151 err = ring_buffer__poll(ringbuf, -1); in test_ringbuf()
226 err = ring_buffer__consume(ringbuf); in test_ringbuf()
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/kernel/linux/linux-5.10/tools/testing/selftests/bpf/benchs/
H A Dbench_ringbufs.c19 int ringbuf_sz; /* per-ringbuf, in bytes */
124 struct ring_buffer *ringbuf; member
154 bpf_map__resize(skel->maps.ringbuf, args.ringbuf_sz); in ringbuf_setup_skeleton()
176 ctx->ringbuf = ring_buffer__new(bpf_map__fd(ctx->skel->maps.ringbuf), in ringbuf_libbpf_setup()
178 if (!ctx->ringbuf) { in ringbuf_libbpf_setup()
179 fprintf(stderr, "failed to create ringbuf\n"); in ringbuf_libbpf_setup()
194 while (ring_buffer__poll(ctx->ringbuf, -1) >= 0) { in ringbuf_libbpf_consumer()
198 fprintf(stderr, "ringbuf polling failed!\n"); in ringbuf_libbpf_consumer()
213 struct ringbuf_custom ringbuf; member
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/kernel/linux/linux-6.6/tools/testing/selftests/bpf/benchs/
H A Dbench_ringbufs.c19 int ringbuf_sz; /* per-ringbuf, in bytes */
124 struct ring_buffer *ringbuf; member
154 bpf_map__set_max_entries(skel->maps.ringbuf, args.ringbuf_sz); in ringbuf_setup_skeleton()
176 ctx->ringbuf = ring_buffer__new(bpf_map__fd(ctx->skel->maps.ringbuf), in ringbuf_libbpf_setup()
178 if (!ctx->ringbuf) { in ringbuf_libbpf_setup()
179 fprintf(stderr, "failed to create ringbuf\n"); in ringbuf_libbpf_setup()
194 while (ring_buffer__poll(ctx->ringbuf, -1) >= 0) { in ringbuf_libbpf_consumer()
198 fprintf(stderr, "ringbuf polling failed!\n"); in ringbuf_libbpf_consumer()
213 struct ringbuf_custom ringbuf; member
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/kernel/linux/linux-5.10/kernel/bpf/
H A DMakefile11 obj-$(CONFIG_BPF_SYSCALL) += local_storage.o queue_stack_maps.o ringbuf.o

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