#include #include #include #include "tests.h" #include "util.h" #include "session.h" #include "evlist.h" #include "debug.h" #define TEMPL "/tmp/perf-test-XXXXXX" #define DATA_SIZE 10 static int get_temp(char *path) { int fd; strcpy(path, TEMPL); fd = mkstemp(path); if (fd < 0) { perror("mkstemp failed"); return -1; } close(fd); return 0; } static int session_write_header(char *path) { struct perf_session *session; struct perf_data_file file = { .path = path, .mode = PERF_DATA_MODE_WRITE, }; session = perf_session__new(&file, false, NULL); TEST_ASSERT_VAL("can't get session", session); 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); return 0; } static int check_cpu_topology(char *path, struct cpu_map *map) { struct perf_session *session; struct perf_data_file file = { .path = path, .mode = PERF_DATA_MODE_READ, }; int i; 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, NULL) & 0xffff))); TEST_ASSERT_VAL("Socket ID doesn't match", (session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i, NULL))); } perf_session__delete(session); return 0; } int test_session_topology(int subtest __maybe_unused) { char path[PATH_MAX]; struct cpu_map *map; int ret = -1; TEST_ASSERT_VAL("can't get templ file", !get_temp(path)); pr_debug("templ file: %s\n", path); if (session_write_header(path)) goto free_path; map = cpu_map__new(NULL); if (map == NULL) { pr_debug("failed to get system cpumap\n"); goto free_path; } if (check_cpu_topology(path, map)) goto free_map; ret = 0; free_map: cpu_map__put(map); free_path: unlink(path); return ret; } ' name='id' value='c73e44269369e936165f0f9b61f1f09a11dae01c'/>

path: root/tools/perf/scripts/perl

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