117 lines
2.4 KiB
C
117 lines
2.4 KiB
C
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "tests.h"
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#include "util.h"
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#include "session.h"
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#include "evlist.h"
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#include "debug.h"
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#define TEMPL "/tmp/perf-test-XXXXXX"
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#define DATA_SIZE 10
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static int get_temp(char *path)
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{
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int fd;
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strcpy(path, TEMPL);
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fd = mkstemp(path);
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if (fd < 0) {
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perror("mkstemp failed");
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return -1;
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}
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close(fd);
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return 0;
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}
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static int session_write_header(char *path)
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{
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struct perf_session *session;
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struct perf_data_file file = {
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.path = path,
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.mode = PERF_DATA_MODE_WRITE,
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};
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session = perf_session__new(&file, false, NULL);
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TEST_ASSERT_VAL("can't get session", session);
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session->evlist = perf_evlist__new_default();
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TEST_ASSERT_VAL("can't get evlist", session->evlist);
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perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
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perf_header__set_feat(&session->header, HEADER_NRCPUS);
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perf_header__set_feat(&session->header, HEADER_ARCH);
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session->header.data_size += DATA_SIZE;
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TEST_ASSERT_VAL("failed to write header",
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!perf_session__write_header(session, session->evlist, file.fd, true));
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perf_session__delete(session);
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return 0;
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}
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static int check_cpu_topology(char *path, struct cpu_map *map)
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{
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struct perf_session *session;
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struct perf_data_file file = {
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.path = path,
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.mode = PERF_DATA_MODE_READ,
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};
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int i;
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session = perf_session__new(&file, false, NULL);
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TEST_ASSERT_VAL("can't get session", session);
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for (i = 0; i < session->header.env.nr_cpus_online; i++) {
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pr_debug("CPU %d, core %d, socket %d\n", i,
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session->header.env.cpu[i].core_id,
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session->header.env.cpu[i].socket_id);
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}
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for (i = 0; i < map->nr; i++) {
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TEST_ASSERT_VAL("Core ID doesn't match",
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(session->header.env.cpu[map->map[i]].core_id == (cpu_map__get_core(map, i, NULL) & 0xffff)));
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TEST_ASSERT_VAL("Socket ID doesn't match",
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(session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i, NULL)));
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}
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perf_session__delete(session);
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return 0;
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}
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int test_session_topology(int subtest __maybe_unused)
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{
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char path[PATH_MAX];
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struct cpu_map *map;
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int ret = -1;
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TEST_ASSERT_VAL("can't get templ file", !get_temp(path));
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pr_debug("templ file: %s\n", path);
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if (session_write_header(path))
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goto free_path;
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map = cpu_map__new(NULL);
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if (map == NULL) {
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pr_debug("failed to get system cpumap\n");
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goto free_path;
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}
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if (check_cpu_topology(path, map))
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goto free_map;
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ret = 0;
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free_map:
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cpu_map__put(map);
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free_path:
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unlink(path);
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return ret;
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}
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