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c84974ed KL |
1 | #include <string.h> |
2 | #include <stdlib.h> | |
3 | #include <stdio.h> | |
4 | #include "tests.h" | |
5 | #include "util.h" | |
6 | #include "session.h" | |
7 | #include "evlist.h" | |
8 | #include "debug.h" | |
9 | ||
10 | #define TEMPL "/tmp/perf-test-XXXXXX" | |
11 | #define DATA_SIZE 10 | |
12 | ||
13 | static int get_temp(char *path) | |
14 | { | |
15 | int fd; | |
16 | ||
17 | strcpy(path, TEMPL); | |
18 | ||
19 | fd = mkstemp(path); | |
20 | if (fd < 0) { | |
21 | perror("mkstemp failed"); | |
22 | return -1; | |
23 | } | |
24 | ||
25 | close(fd); | |
26 | return 0; | |
27 | } | |
28 | ||
29 | static int session_write_header(char *path) | |
30 | { | |
31 | struct perf_session *session; | |
32 | struct perf_data_file file = { | |
33 | .path = path, | |
34 | .mode = PERF_DATA_MODE_WRITE, | |
35 | }; | |
36 | ||
37 | session = perf_session__new(&file, false, NULL); | |
38 | TEST_ASSERT_VAL("can't get session", session); | |
39 | ||
40 | session->evlist = perf_evlist__new_default(); | |
41 | TEST_ASSERT_VAL("can't get evlist", session->evlist); | |
42 | ||
43 | perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY); | |
44 | perf_header__set_feat(&session->header, HEADER_NRCPUS); | |
45 | ||
46 | session->header.data_size += DATA_SIZE; | |
47 | ||
48 | TEST_ASSERT_VAL("failed to write header", | |
49 | !perf_session__write_header(session, session->evlist, file.fd, true)); | |
50 | ||
51 | perf_session__delete(session); | |
52 | ||
53 | return 0; | |
54 | } | |
55 | ||
56 | static int check_cpu_topology(char *path, struct cpu_map *map) | |
57 | { | |
58 | struct perf_session *session; | |
59 | struct perf_data_file file = { | |
60 | .path = path, | |
61 | .mode = PERF_DATA_MODE_READ, | |
62 | }; | |
63 | int i; | |
64 | ||
65 | session = perf_session__new(&file, false, NULL); | |
66 | TEST_ASSERT_VAL("can't get session", session); | |
67 | ||
68 | for (i = 0; i < session->header.env.nr_cpus_online; i++) { | |
69 | pr_debug("CPU %d, core %d, socket %d\n", i, | |
70 | session->header.env.cpu[i].core_id, | |
71 | session->header.env.cpu[i].socket_id); | |
72 | } | |
73 | ||
74 | for (i = 0; i < map->nr; i++) { | |
75 | TEST_ASSERT_VAL("Core ID doesn't match", | |
1fe7a300 | 76 | (session->header.env.cpu[map->map[i]].core_id == (cpu_map__get_core(map, i, NULL) & 0xffff))); |
c84974ed KL |
77 | |
78 | TEST_ASSERT_VAL("Socket ID doesn't match", | |
1fe7a300 | 79 | (session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i, NULL))); |
c84974ed KL |
80 | } |
81 | ||
82 | perf_session__delete(session); | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
721a1f53 | 87 | int test_session_topology(int subtest __maybe_unused) |
c84974ed KL |
88 | { |
89 | char path[PATH_MAX]; | |
90 | struct cpu_map *map; | |
91 | int ret = -1; | |
92 | ||
93 | TEST_ASSERT_VAL("can't get templ file", !get_temp(path)); | |
94 | ||
95 | pr_debug("templ file: %s\n", path); | |
96 | ||
97 | if (session_write_header(path)) | |
98 | goto free_path; | |
99 | ||
100 | map = cpu_map__new(NULL); | |
101 | if (map == NULL) { | |
102 | pr_debug("failed to get system cpumap\n"); | |
103 | goto free_path; | |
104 | } | |
105 | ||
106 | if (check_cpu_topology(path, map)) | |
107 | goto free_map; | |
108 | ret = 0; | |
109 | ||
110 | free_map: | |
111 | cpu_map__put(map); | |
112 | free_path: | |
113 | unlink(path); | |
114 | return ret; | |
115 | } |