[PATCH 3/3] perf tools: add hardware breakpoint bp_len test cases

suravee.suthikulpanit
2013-10-02T16:11:23Z

From: Jacob Shin <jacob.w.shin@gmail.com>

Signed-off-by: Jacob Shin <jacob.w.shin@gmail.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
tools/perf/tests/parse-events.c | 55 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)

diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 48114d1..9b44722 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1115,6 +1115,49 @@ 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];
@@ -1347,6 +1390,18 @@ static struct evlist_test test__events[] = {
.name = "{cycles,cache-misses,branch-misses}:D",
.check = test__pinned_group,
},
+ [42] = {
+ .name = "mem:0/1",
+ .check = test__checkevent_breakpoint_len,
+ },
+ [43] = {
+ .name = "mem:0/2:w",
+ .check = test__checkevent_breakpoint_len_w,
+ },
+ [44] = {
+ .name = "mem:0/4:rw:u",
+ .check = test__checkevent_breakpoint_len_rw_modifier,
+ },
};

static struct evlist_test test__events_pmu[] = {
--
1.8.1.2