Enhanced the unit test of tracefs_iterate_raw_events() API to check if
events are iterated in sorted order: latest first. Added a check for the
correct CPU number in the record, passed to the callback.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
utest/tracefs-utest.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c
index ed2693b..fea4e1f 100644
--- a/utest/tracefs-utest.c
+++ b/utest/tracefs-utest.c
@@ -20,7 +20,7 @@
#define TRACEFS_SUITE "trasefs library"
#define TEST_INSTANCE_NAME "cunit_test_iter"
#define TEST_TRACE_DIR "/tmp/trace_utest.XXXXXX"
-#define TEST_ARRAY_SIZE 500
+#define TEST_ARRAY_SIZE 5000
#define ALL_TRACERS "available_tracers"
#define CUR_TRACER "current_tracer"
@@ -36,6 +36,7 @@ struct test_sample {
};
static struct test_sample test_array[TEST_ARRAY_SIZE];
static int test_found;
+static unsigned long long last_ts;
static int test_callback(struct tep_event *event, struct tep_record *record,
int cpu, void *context)
@@ -45,8 +46,13 @@ static int test_callback(struct tep_event *event, struct tep_record *record,
int *cpu_test = (int *)context;
int i;
+ CU_TEST(last_ts <= record->ts);
+ last_ts = record->ts;
+
if (cpu_test && *cpu_test >= 0 && *cpu_test != cpu)
return 0;
+ CU_TEST(cpu == record->cpu);
+
field = tep_find_field(event, "buf");
if (field) {
sample = ((struct test_sample *)(record->data + field->offset));
@@ -136,6 +142,7 @@ static void test_instance_iter_raw_events(struct tracefs_instance *instance)
ret = tracefs_iterate_raw_events(NULL, instance, NULL, 0, test_callback, NULL);
CU_TEST(ret < 0);
+ last_ts = 0;
ret = tracefs_iterate_raw_events(test_tep, NULL, NULL, 0, test_callback, NULL);
CU_TEST(ret == 0);
ret = tracefs_iterate_raw_events(test_tep, instance, NULL, 0, NULL, NULL);
--
2.30.2
|