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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
c84974ed KL |
2 | #include <string.h> |
3 | #include <stdlib.h> | |
4 | #include <stdio.h> | |
5 | #include "tests.h" | |
6 | #include "util.h" | |
7 | #include "session.h" | |
8 | #include "evlist.h" | |
9 | #include "debug.h" | |
10 | ||
11 | #define TEMPL "/tmp/perf-test-XXXXXX" | |
12 | #define DATA_SIZE 10 | |
13 | ||
14 | static int get_temp(char *path) | |
15 | { | |
16 | int fd; | |
17 | ||
18 | strcpy(path, TEMPL); | |
19 | ||
20 | fd = mkstemp(path); | |
21 | if (fd < 0) { | |
22 | perror("mkstemp failed"); | |
23 | return -1; | |
24 | } | |
25 | ||
26 | close(fd); | |
27 | return 0; | |
28 | } | |
29 | ||
30 | static int session_write_header(char *path) | |
31 | { | |
32 | struct perf_session *session; | |
33 | struct perf_data_file file = { | |
34 | .path = path, | |
35 | .mode = PERF_DATA_MODE_WRITE, | |
36 | }; | |
37 | ||
38 | session = perf_session__new(&file, false, NULL); | |
39 | TEST_ASSERT_VAL("can't get session", session); | |
40 | ||
41 | session->evlist = perf_evlist__new_default(); | |
42 | TEST_ASSERT_VAL("can't get evlist", session->evlist); | |
43 | ||
44 | perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY); | |
45 | perf_header__set_feat(&session->header, HEADER_NRCPUS); | |
46 | ||
47 | session->header.data_size += DATA_SIZE; | |
48 | ||
49 | TEST_ASSERT_VAL("failed to write header", | |
50 | !perf_session__write_header(session, session->evlist, file.fd, true)); | |
51 | ||
52 | perf_session__delete(session); | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
57 | static int check_cpu_topology(char *path, struct cpu_map *map) | |
58 | { | |
59 | struct perf_session *session; | |
60 | struct perf_data_file file = { | |
61 | .path = path, | |
62 | .mode = PERF_DATA_MODE_READ, | |
63 | }; | |
64 | int i; | |
65 | ||
66 | session = perf_session__new(&file, false, NULL); | |
67 | TEST_ASSERT_VAL("can't get session", session); | |
68 | ||
da8a58b5 JS |
69 | for (i = 0; i < session->header.env.nr_cpus_avail; i++) { |
70 | if (!cpu_map__has(map, i)) | |
71 | continue; | |
c84974ed KL |
72 | pr_debug("CPU %d, core %d, socket %d\n", i, |
73 | session->header.env.cpu[i].core_id, | |
74 | session->header.env.cpu[i].socket_id); | |
75 | } | |
76 | ||
77 | for (i = 0; i < map->nr; i++) { | |
78 | TEST_ASSERT_VAL("Core ID doesn't match", | |
1fe7a300 | 79 | (session->header.env.cpu[map->map[i]].core_id == (cpu_map__get_core(map, i, NULL) & 0xffff))); |
c84974ed KL |
80 | |
81 | TEST_ASSERT_VAL("Socket ID doesn't match", | |
1fe7a300 | 82 | (session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i, NULL))); |
c84974ed KL |
83 | } |
84 | ||
85 | perf_session__delete(session); | |
86 | ||
87 | return 0; | |
88 | } | |
89 | ||
81f17c90 | 90 | int test__session_topology(struct test *test __maybe_unused, int subtest __maybe_unused) |
c84974ed KL |
91 | { |
92 | char path[PATH_MAX]; | |
93 | struct cpu_map *map; | |
94 | int ret = -1; | |
95 | ||
96 | TEST_ASSERT_VAL("can't get templ file", !get_temp(path)); | |
97 | ||
98 | pr_debug("templ file: %s\n", path); | |
99 | ||
100 | if (session_write_header(path)) | |
101 | goto free_path; | |
102 | ||
103 | map = cpu_map__new(NULL); | |
104 | if (map == NULL) { | |
105 | pr_debug("failed to get system cpumap\n"); | |
106 | goto free_path; | |
107 | } | |
108 | ||
109 | if (check_cpu_topology(path, map)) | |
110 | goto free_map; | |
111 | ret = 0; | |
112 | ||
113 | free_map: | |
114 | cpu_map__put(map); | |
115 | free_path: | |
116 | unlink(path); | |
117 | return ret; | |
118 | } |