Kan Liang | c84974e | 2015-09-04 04:58:31 -0400 | [diff] [blame] | 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 | |
Jan Stancek | da8a58b | 2017-02-17 12:10:26 +0100 | [diff] [blame] | 68 | for (i = 0; i < session->header.env.nr_cpus_avail; i++) { |
| 69 | if (!cpu_map__has(map, i)) |
| 70 | continue; |
Kan Liang | c84974e | 2015-09-04 04:58:31 -0400 | [diff] [blame] | 71 | pr_debug("CPU %d, core %d, socket %d\n", i, |
| 72 | session->header.env.cpu[i].core_id, |
| 73 | session->header.env.cpu[i].socket_id); |
| 74 | } |
| 75 | |
| 76 | for (i = 0; i < map->nr; i++) { |
| 77 | TEST_ASSERT_VAL("Core ID doesn't match", |
Jiri Olsa | 1fe7a30 | 2015-10-16 12:41:15 +0200 | [diff] [blame] | 78 | (session->header.env.cpu[map->map[i]].core_id == (cpu_map__get_core(map, i, NULL) & 0xffff))); |
Kan Liang | c84974e | 2015-09-04 04:58:31 -0400 | [diff] [blame] | 79 | |
| 80 | TEST_ASSERT_VAL("Socket ID doesn't match", |
Jiri Olsa | 1fe7a30 | 2015-10-16 12:41:15 +0200 | [diff] [blame] | 81 | (session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i, NULL))); |
Kan Liang | c84974e | 2015-09-04 04:58:31 -0400 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | perf_session__delete(session); |
| 85 | |
| 86 | return 0; |
| 87 | } |
| 88 | |
Arnaldo Carvalho de Melo | 721a1f5 | 2015-11-19 12:01:48 -0300 | [diff] [blame] | 89 | int test_session_topology(int subtest __maybe_unused) |
Kan Liang | c84974e | 2015-09-04 04:58:31 -0400 | [diff] [blame] | 90 | { |
| 91 | char path[PATH_MAX]; |
| 92 | struct cpu_map *map; |
| 93 | int ret = -1; |
| 94 | |
| 95 | TEST_ASSERT_VAL("can't get templ file", !get_temp(path)); |
| 96 | |
| 97 | pr_debug("templ file: %s\n", path); |
| 98 | |
| 99 | if (session_write_header(path)) |
| 100 | goto free_path; |
| 101 | |
| 102 | map = cpu_map__new(NULL); |
| 103 | if (map == NULL) { |
| 104 | pr_debug("failed to get system cpumap\n"); |
| 105 | goto free_path; |
| 106 | } |
| 107 | |
| 108 | if (check_cpu_topology(path, map)) |
| 109 | goto free_map; |
| 110 | ret = 0; |
| 111 | |
| 112 | free_map: |
| 113 | cpu_map__put(map); |
| 114 | free_path: |
| 115 | unlink(path); |
| 116 | return ret; |
| 117 | } |