On Wed, Sep 02, 2015 at 02:23:02AM -0400, Kan Liang wrote:
SNIP
> +
> +int test_session_topology(void)
> +{
> + struct perf_session *session;
> + char path[PATH_MAX];
> + struct cpu_map *map;
> + struct perf_data_file file = {
> + .path = path,
> + .mode = PERF_DATA_MODE_WRITE,
> + };
> + int i;
> +
> + TEST_ASSERT_VAL("can't get templ file", !get_temp(path));
> +
> + pr_debug("krava %s\n", path);
it's not that I'd have monopoly on that, but this probably
needs some better wording ;-)
> +
> + session = perf_session__new(&file, false, NULL);
> + TEST_ASSERT_VAL("can't get session", session);
hum, any failed TEST_ASSERT_VAL will leave the temp file
> +
> + session->evlist = perf_evlist__new_default();
> + TEST_ASSERT_VAL("can't get evlist", session->evlist);
> +
> + perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
> + perf_header__set_feat(&session->header, HEADER_NRCPUS);
> +
> + session->header.data_size += DATA_SIZE;
> +
> + TEST_ASSERT_VAL("failed to write header",
> + !perf_session__write_header(session, session->evlist,
> file.fd, true));
> +
> + perf_session__delete(session);
> +
> + map = cpu_map__new(NULL);
also map, but the file is bigger issue, because someone might notice ;-)
jirka
> + TEST_ASSERT_VAL("failed to get system cpumap", !(map == NULL));
> +
> + file.mode = PERF_DATA_MODE_READ;
> + session = perf_session__new(&file, false, NULL);
> + TEST_ASSERT_VAL("can't get session", session);
> +
> + for (i = 0; i < session->header.env.nr_cpus_online; i++) {
> + pr_debug("CPU %d, core %d, socket %d\n", i,
> + session->header.env.cpu[i].core_id,
> + session->header.env.cpu[i].socket_id);
> + }
> +
> + for (i = 0; i < map->nr; i++) {
> + TEST_ASSERT_VAL("Core ID doesn't match",
> + (session->header.env.cpu[map->map[i]].core_id ==
> (cpu_map__get_core(map, i) & 0xffff)));
> +
> + TEST_ASSERT_VAL("Socket ID doesn't match",
> + (session->header.env.cpu[map->map[i]].socket_id ==
> cpu_map__get_socket(map, i)));
> + }
> +
> + perf_session__delete(session);
> + cpu_map__put(map);
> + unlink(path);
> +
> + return 0;
> +}
> --
> 1.8.3.1
>
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