1 // SPDX-License-Identifier: GPL-2.0 2 #include "arch-tests.h" 3 #include "../util/topdown.h" 4 #include "evlist.h" 5 #include "parse-events.h" 6 #include "pmu.h" 7 #include "pmus.h" 8 9 static int event_cb(void *state, struct pmu_event_info *info) 10 { 11 char buf[256]; 12 struct parse_events_error parse_err; 13 int *ret = state, err; 14 struct evlist *evlist = evlist__new(); 15 struct evsel *evsel; 16 17 if (!evlist) 18 return -ENOMEM; 19 20 parse_events_error__init(&parse_err); 21 snprintf(buf, sizeof(buf), "%s/%s/", info->pmu->name, info->name); 22 err = parse_events(evlist, buf, &parse_err); 23 if (err) { 24 parse_events_error__print(&parse_err, buf); 25 *ret = TEST_FAIL; 26 } 27 parse_events_error__exit(&parse_err); 28 evlist__for_each_entry(evlist, evsel) { 29 bool fail = false; 30 bool p_core_pmu = evsel->pmu->type == PERF_TYPE_RAW; 31 const char *name = evsel__name(evsel); 32 33 if (strcasestr(name, "uops_retired.slots") || 34 strcasestr(name, "topdown.backend_bound_slots") || 35 strcasestr(name, "topdown.br_mispredict_slots") || 36 strcasestr(name, "topdown.memory_bound_slots") || 37 strcasestr(name, "topdown.bad_spec_slots") || 38 strcasestr(name, "topdown.slots_p")) { 39 if (arch_is_topdown_slots(evsel) || arch_is_topdown_metrics(evsel)) 40 fail = true; 41 } else if (strcasestr(name, "slots")) { 42 if (arch_is_topdown_slots(evsel) != p_core_pmu || 43 arch_is_topdown_metrics(evsel)) 44 fail = true; 45 } else if (strcasestr(name, "topdown")) { 46 if (arch_is_topdown_slots(evsel) || 47 arch_is_topdown_metrics(evsel) != p_core_pmu) 48 fail = true; 49 } else if (arch_is_topdown_slots(evsel) || arch_is_topdown_metrics(evsel)) { 50 fail = true; 51 } 52 if (fail) { 53 pr_debug("Broken topdown information for '%s'\n", evsel__name(evsel)); 54 *ret = TEST_FAIL; 55 } 56 } 57 evlist__delete(evlist); 58 return 0; 59 } 60 61 static int test__x86_topdown(struct test_suite *test __maybe_unused, int subtest __maybe_unused) 62 { 63 int ret = TEST_OK; 64 struct perf_pmu *pmu = NULL; 65 66 if (!topdown_sys_has_perf_metrics()) 67 return TEST_OK; 68 69 while ((pmu = perf_pmus__scan_core(pmu)) != NULL) { 70 if (perf_pmu__for_each_event(pmu, /*skip_duplicate_pmus=*/false, &ret, event_cb)) 71 break; 72 } 73 return ret; 74 } 75 76 DEFINE_SUITE("x86 topdown", x86_topdown); 77