| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | get_stackid_cannot_attach.c | 23 int pmu_fd, err; in test_get_stackid_cannot_attach() local
36 pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, in test_get_stackid_cannot_attach()
39 if (pmu_fd < 0 && (errno == ENOENT || errno == EOPNOTSUPP)) { in test_get_stackid_cannot_attach()
45 if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", in test_get_stackid_cannot_attach()
46 pmu_fd, errno)) in test_get_stackid_cannot_attach()
50 pmu_fd); in test_get_stackid_cannot_attach()
52 close(pmu_fd); in test_get_stackid_cannot_attach()
57 pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, in test_get_stackid_cannot_attach()
61 if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", in test_get_stackid_cannot_attach()
62 pmu_fd, errno)) in test_get_stackid_cannot_attach()
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| H A D | tp_attach_query.c | 7 int i, j, bytes, efd, err, prog_fd[num_progs], pmu_fd[num_progs]; in serial_test_tp_attach_query() local
60 pmu_fd[i] = syscall(__NR_perf_event_open, &attr, -1 /* pid */, in serial_test_tp_attach_query()
63 if (CHECK(pmu_fd[i] < 0, "perf_event_open", "err %d errno %d\n", in serial_test_tp_attach_query()
64 pmu_fd[i], errno)) in serial_test_tp_attach_query()
66 err = ioctl(pmu_fd[i], PERF_EVENT_IOC_ENABLE, 0); in serial_test_tp_attach_query()
74 err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query); in serial_test_tp_attach_query()
82 err = ioctl(pmu_fd[i], PERF_EVENT_IOC_SET_BPF, prog_fd[i]); in serial_test_tp_attach_query()
90 err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query); in serial_test_tp_attach_query()
99 err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, in serial_test_tp_attach_query()
108 err = ioctl(pmu_fd[i], PERF_EVENT_IOC_QUERY_BPF, query); in serial_test_tp_attach_query()
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| H A D | stacktrace_build_id_nmi.c | 9 int err, pmu_fd; in test_stacktrace_build_id_nmi() local
35 pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, in test_stacktrace_build_id_nmi()
38 if (pmu_fd < 0 && (errno == ENOENT || errno == EOPNOTSUPP)) { in test_stacktrace_build_id_nmi()
43 if (CHECK(pmu_fd < 0, "perf_event_open", "err %d errno %d\n", in test_stacktrace_build_id_nmi()
44 pmu_fd, errno)) in test_stacktrace_build_id_nmi()
48 pmu_fd); in test_stacktrace_build_id_nmi()
50 close(pmu_fd); in test_stacktrace_build_id_nmi()
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| H A D | task_fd_query_tp.c | 8 int err, bytes, efd, prog_fd, pmu_fd; in test_task_fd_query_tp_core() local
41 pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, in test_task_fd_query_tp_core()
47 err = ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0); in test_task_fd_query_tp_core()
52 err = ioctl(pmu_fd, PERF_EVENT_IOC_SET_BPF, prog_fd); in test_task_fd_query_tp_core()
59 err = bpf_task_fd_query(getpid(), pmu_fd, 0, buf, &len, &prog_id, in test_task_fd_query_tp_core()
71 close(pmu_fd); in test_task_fd_query_tp_core()
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| H A D | perf_event_stackmap.c | 73 int pmu_fd, err; in test_perf_event_stackmap() local
90 pmu_fd = syscall(__NR_perf_event_open, &attr, -1 /* pid */, in test_perf_event_stackmap()
93 if (pmu_fd < 0) { in test_perf_event_stackmap()
100 pmu_fd); in test_perf_event_stackmap()
102 close(pmu_fd); in test_perf_event_stackmap()
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| /linux/samples/bpf/ |
| H A D | trace_event_user.c | 141 int i, pmu_fd, error = 1; in test_perf_event_all_cpu() local
153 pmu_fd = sys_perf_event_open(attr, -1, i, -1, 0); in test_perf_event_all_cpu()
154 if (pmu_fd < 0) { in test_perf_event_all_cpu()
158 links[i] = bpf_program__attach_perf_event(prog, pmu_fd); in test_perf_event_all_cpu()
162 close(pmu_fd); in test_perf_event_all_cpu()
184 int pmu_fd, error = 1; in test_perf_event_task() local
192 pmu_fd = sys_perf_event_open(attr, 0, -1, -1, 0); in test_perf_event_task()
193 if (pmu_fd < 0) { in test_perf_event_task()
197 link = bpf_program__attach_perf_event(prog, pmu_fd); in test_perf_event_task()
201 close(pmu_fd); in test_perf_event_task()
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| H A D | tracex6_user.c | 28 int pmu_fd, error = 0; in check_on_cpu() local
37 pmu_fd = sys_perf_event_open(attr, -1/*pid*/, cpu/*cpu*/, -1/*group_fd*/, 0); in check_on_cpu()
38 if (pmu_fd < 0) { in check_on_cpu()
43 assert(bpf_map_update_elem(map_fd[0], &cpu, &pmu_fd, BPF_ANY) == 0); in check_on_cpu()
44 assert(ioctl(pmu_fd, PERF_EVENT_IOC_ENABLE, 0) == 0); in check_on_cpu()
67 assert(ioctl(pmu_fd, PERF_EVENT_IOC_DISABLE, 0) == 0 || error); in check_on_cpu()
68 assert(close(pmu_fd) == 0 || error); in check_on_cpu()
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| H A D | sampleip_user.c | 39 int i, pmu_fd; in sampling_start() local
50 pmu_fd = sys_perf_event_open(&pe_sample_attr, -1 /* pid */, i, in sampling_start()
52 if (pmu_fd < 0) { in sampling_start()
56 links[i] = bpf_program__attach_perf_event(prog, pmu_fd); in sampling_start()
60 close(pmu_fd); in sampling_start()
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