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 perf_event_header header; 54 struct perf_event_attr attr; 55 u64 id; 56 }; 57 58 /** 59 * test__parse_no_sample_id_all - test parsing with no sample_id_all bit set. 60 * 61 * This function tests parsing data produced on kernel's that do not support the 62 * sample_id_all bit. Without the sample_id_all bit, non-sample events (such as 63 * mmap events) do not have an id sample appended, and consequently logic 64 * designed to determine the id will not work. That case happens when there is 65 * more than one selected event, so this test processes three events: 2 66 * attributes representing the selected events and one mmap event. 67 * 68 * Return: %0 on success, %-1 if the test fails. 69 */ 70 int test__parse_no_sample_id_all(int subtest __maybe_unused) 71 { 72 int err; 73 74 struct test_attr_event event1 = { 75 .header = { 76 .type = PERF_RECORD_HEADER_ATTR, 77 .size = sizeof(struct test_attr_event), 78 }, 79 .id = 1, 80 }; 81 struct test_attr_event event2 = { 82 .header = { 83 .type = PERF_RECORD_HEADER_ATTR, 84 .size = sizeof(struct test_attr_event), 85 }, 86 .id = 2, 87 }; 88 struct mmap_event event3 = { 89 .header = { 90 .type = PERF_RECORD_MMAP, 91 .size = sizeof(struct mmap_event), 92 }, 93 }; 94 union perf_event *events[] = { 95 (union perf_event *)&event1, 96 (union perf_event *)&event2, 97 (union perf_event *)&event3, 98 }; 99 100 err = process_events(events, ARRAY_SIZE(events)); 101 if (err) 102 return -1; 103 104 return 0; 105 } 106