perf tests parse-events: Add intel_pt parse test

To avoid regressions such as the one fixed by 4a35a9027f64 ("Revert
"perf pmu: Fix pmu events parsing rule""), where '-e intel_pt//u' got
broken, with this new entry in this 'perf tests' subtest, we would have
caught it before pushing upstream.

Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-kw62fys9bwdgsp722so2ln1l@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 18b06444f230d6563de86a571fac2f86bf4af0b8..6829dd416a9987ccbdd56b0173c38fe96b954cf3 100644 (file)
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1309,6 +1309,14 @@ static int test__checkevent_config_cache(struct perf_evlist *evlist)
        return 0;
 }
 
+static int test__intel_pt(struct perf_evlist *evlist)
+{
+       struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+       TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "intel_pt//u") == 0);
+       return 0;
+}
+
 static int count_tracepoints(void)
 {
        struct dirent *events_ent;
@@ -1637,6 +1645,11 @@ static struct evlist_test test__events[] = {
                .check = test__checkevent_config_cache,
                .id    = 51,
        },
+       {
+               .name  = "intel_pt//u",
+               .check = test__intel_pt,
+               .id    = 52,
+       },
 };
 
 static struct evlist_test test__events_pmu[] = {