From: John Garry john.garry@huawei.com
mainline inclusion from mainline-v5.10-rc6 commit e386acd79017 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I63VF5 CVE: NA
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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Factor out alias test which will be used in multiple places.
Also test missing fields.
Signed-off-by: John Garry john.garry@huawei.com Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Ian Rogers irogers@google.com Cc: Ingo Molnar mingo@redhat.com Cc: Jin Yao yao.jin@linux.intel.com Cc: Jiri Olsa jolsa@redhat.com Cc: Mark Rutland mark.rutland@arm.com Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: linuxarm@huawei.com Link: https //lore.kernel.org/r/1627566986-30605-5-git-send-email-john.garry@huawei.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Junhao He hejunhao3@huawei.com --- tools/perf/tests/pmu-events.c | 80 ++++++++++++++++++++++++----------- 1 file changed, 55 insertions(+), 25 deletions(-)
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c index 96398a0b8e63..1b3a9b861aa1 100644 --- a/tools/perf/tests/pmu-events.c +++ b/tools/perf/tests/pmu-events.c @@ -230,6 +230,60 @@ static int compare_pmu_events(struct pmu_event *e1, const struct pmu_event *e2) return 0; }
+static int compare_alias_to_test_event(struct perf_pmu_alias *alias, + struct perf_pmu_test_event const *test_event, + char const *pmu_name) +{ + struct pmu_event const *event = &test_event->event; + + /* An alias was found, ensure everything is in order */ + if (!is_same(alias->name, event->name)) { + pr_debug("testing aliases PMU %s: mismatched name, %s vs %s\n", + pmu_name, alias->name, event->name); + return -1; + } + + if (!is_same(alias->desc, event->desc)) { + pr_debug("testing aliases PMU %s: mismatched desc, %s vs %s\n", + pmu_name, alias->desc, event->desc); + return -1; + } + + if (!is_same(alias->long_desc, test_event->alias_long_desc)) { + pr_debug("testing aliases PMU %s: mismatched long_desc, %s vs %s\n", + pmu_name, alias->long_desc, + test_event->alias_long_desc); + return -1; + } + + if (!is_same(alias->topic, event->topic)) { + pr_debug("testing aliases PMU %s: mismatched topic, %s vs %s\n", + pmu_name, alias->topic, event->topic); + return -1; + } + + if (!is_same(alias->str, test_event->alias_str)) { + pr_debug("testing aliases PMU %s: mismatched str, %s vs %s\n", + pmu_name, alias->str, test_event->alias_str); + return -1; + } + + if (!is_same(alias->long_desc, test_event->alias_long_desc)) { + pr_debug("testing aliases PMU %s: mismatched long desc, %s vs %s\n", + pmu_name, alias->str, test_event->alias_long_desc); + return -1; + } + + + if (!is_same(alias->pmu_name, test_event->event.pmu)) { + pr_debug("testing aliases PMU %s: mismatched pmu_name, %s vs %s\n", + pmu_name, alias->pmu_name, test_event->event.pmu); + return -1; + } + + return 0; +} + /* Verify generated events from pmu-events.c are as expected */ static int test_pmu_event_table(void) { @@ -347,31 +401,7 @@ static int __test__pmu_event_aliases(char *pmu_name, int *count) break; }
- if (!is_same(alias->desc, event->desc)) { - pr_debug2("testing aliases PMU %s: mismatched desc, %s vs %s\n", - pmu_name, alias->desc, event->desc); - res = -1; - break; - } - - if (!is_same(alias->long_desc, test_event->alias_long_desc)) { - pr_debug2("testing aliases PMU %s: mismatched long_desc, %s vs %s\n", - pmu_name, alias->long_desc, - test_event->alias_long_desc); - res = -1; - break; - } - - if (!is_same(alias->str, test_event->alias_str)) { - pr_debug2("testing aliases PMU %s: mismatched str, %s vs %s\n", - pmu_name, alias->str, test_event->alias_str); - res = -1; - break; - } - - if (!is_same(alias->topic, event->topic)) { - pr_debug2("testing aliases PMU %s: mismatched topic, %s vs %s\n", - pmu_name, alias->topic, event->topic); + if (compare_alias_to_test_event(alias, test_event, pmu_name)) { res = -1; break; }