1 #include <linux/types.h> 2 #include <stddef.h> 3 4 #include "tests.h" 5 6 #include "event.h" 7 #include "evlist.h" 8 #include "header.h" 9 #include "util.h" 10 #include "debug.h" 11 12 static int process_event(struct perf_evlist **pevlist, union perf_event *event) 13 { 14 struct perf_sample sample; 15 16 if (event->header.type == PERF_RECORD_HEADER_ATTR) { 17 if (perf_event__process_attr(NULL, event, pevlist)) { 18 pr_debug("perf_event__process_attr failed\n"); 19 return -1; 20 } 21 return 0; 22 } 23 24 if (event->header.type >= PERF_RECORD_USER_TYPE_START) 25 return -1; 26 27 if (!*pevlist) 28 return -1; 29 30 if (perf_evlist__parse_sample(*pevlist, event, &sample)) { 31 pr_debug("perf_evlist__parse_sample failed\n"); 32 return -1; 33 } 34 35 return 0; 36 } 37 38 static int process_events(union perf_event **events, size_t count) 39 { 40 struct perf_evlist *evlist = NULL; 41 int err = 0; 42 size_t i; 43 44 for (i = 0; i < count && !err; i++) 45 err = process_event(&evlist, events[i]); 46 47 perf_evlist__delete(evlist); 48 49 return err; 50 } 51 52 struct test_attr_event { 53 struct attr_event attr; 54 u64 id; 55 }; 56 57 /** 58 * test__parse_no_sample_id_all - test parsing with no sample_id_all bit set. 59 * 60 * This function tests parsing data produced on kernel's that do not support the 61 * sample_id_all bit. Without the sample_id_all bit, non-sample events (such as 62 * mmap events) do not have an id sample appended, and consequently logic 63 * designed to determine the id will not work. That case happens when there is 64 * more than one selected event, so this test processes three events: 2 65 * attributes representing the selected events and one mmap event. 66 * 67 * Return: %0 on success, %-1 if the test fails. 68 */ 69 int test__parse_no_sample_id_all(int subtest __maybe_unused) 70 { 71 int err; 72 73 struct test_attr_event event1 = { 74 .attr = { 75 .header = { 76 .type = PERF_RECORD_HEADER_ATTR, 77 .size = sizeof(struct test_attr_event), 78 }, 79 }, 80 .id = 1, 81 }; 82 struct test_attr_event event2 = { 83 .attr = { 84 .header = { 85 .type = PERF_RECORD_HEADER_ATTR, 86 .size = sizeof(struct test_attr_event), 87 }, 88 }, 89 .id = 2, 90 }; 91 struct mmap_event event3 = { 92 .header = { 93 .type = PERF_RECORD_MMAP, 94 .size = sizeof(struct mmap_event), 95 }, 96 }; 97 union perf_event *events[] = { 98 (union perf_event *)&event1, 99 (union perf_event *)&event2, 100 (union perf_event *)&event3, 101 }; 102 103 err = process_events(events, ARRAY_SIZE(events)); 104 if (err) 105 return -1; 106 107 return 0; 108 } 109