perf tools: add hardware breakpoint bp_len test cases

Signed-off-by: Jacob Shin <jacob.w.shin@gmail.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: xiakaixu <xiakaixu@huawei.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 7f2f51f..4169f46 100644 (file)
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1145,6 +1145,49 @@ static int test__pinned_group(struct perf_evlist *evlist)
        return 0;
 }
 
+static int test__checkevent_breakpoint_len(struct perf_evlist *evlist)
+{
+       struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+       TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+       TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
+       TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+       TEST_ASSERT_VAL("wrong bp_type", (HW_BREAKPOINT_R | HW_BREAKPOINT_W) ==
+                                        evsel->attr.bp_type);
+       TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_1 ==
+                                       evsel->attr.bp_len);
+
+       return 0;
+}
+
+static int test__checkevent_breakpoint_len_w(struct perf_evlist *evlist)
+{
+       struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+       TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries);
+       TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->attr.type);
+       TEST_ASSERT_VAL("wrong config", 0 == evsel->attr.config);
+       TEST_ASSERT_VAL("wrong bp_type", HW_BREAKPOINT_W ==
+                                        evsel->attr.bp_type);
+       TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_2 ==
+                                       evsel->attr.bp_len);
+
+       return 0;
+}
+
+static int
+test__checkevent_breakpoint_len_rw_modifier(struct perf_evlist *evlist)
+{
+       struct perf_evsel *evsel = perf_evlist__first(evlist);
+
+       TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+       TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+       TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+       TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+       return test__checkevent_breakpoint_rw(evlist);
+}
+
 static int count_tracepoints(void)
 {
        char events_path[PATH_MAX];
@@ -1420,6 +1463,21 @@ static struct evlist_test test__events[] = {
                .check = test__pinned_group,
                .id    = 41,
        },
+       {
+               .name  = "mem:0/1",
+               .check = test__checkevent_breakpoint_len,
+               .id    = 42,
+       },
+       {
+               .name  = "mem:0/2:w",
+               .check = test__checkevent_breakpoint_len_w,
+               .id    = 43,
+       },
+       {
+               .name  = "mem:0/4:rw:u",
+               .check = test__checkevent_breakpoint_len_rw_modifier,
+               .id    = 44
+       },
 #if defined(__s390x__)
        {
                .name  = "kvm-s390:kvm_s390_create_vm",