SoW-2020-0003: Trace Hit Counters

[lttng-tools.git] / tests / regression / tools / map / test_map_query.c

diff --git a/tests/regression/tools/map/test_map_query.c b/tests/regression/tools/map/test_map_query.c
new file mode 100644 (file)
index 0000000..04e8689
--- /dev/null
+++ b/tests/regression/tools/map/test_map_query.c
@@ -0,0 +1,125 @@
+#include <stdio.h>
+#include <stdint.h>
+
+#include <lttng/lttng.h>
+#include <lttng/handle.h>
+#include <lttng/map.h>
+#include <lttng/map-query.h>
+
+int main() {
+       int ret;
+       enum lttng_map_query_status query_status;
+       enum lttng_error_code ret_code;
+       unsigned int map_count, list_count;
+       enum lttng_map_status map_status;
+       struct lttng_map_content *map_content = NULL;
+       struct lttng_map_list *map_list = NULL;
+       const struct lttng_map *map = NULL;
+       struct lttng_domain *domains = NULL;
+       const struct lttng_map_key_value_pair_list *kv_list;
+       const struct lttng_map_key_value_pair *kv_pair;
+       const char *key;
+       int64_t value;
+       int nb_domains;
+
+
+       nb_domains = lttng_list_domains("mysession", &domains);
+
+       struct lttng_handle *handle = lttng_create_handle("mysession", &domains[0]);
+
+       struct lttng_map_query *map_query = lttng_map_query_create(
+                       LTTNG_MAP_QUERY_CONFIG_CPU_SUBSET,
+                       LTTNG_MAP_QUERY_CONFIG_BUFFER_UST_UID_ALL,
+                       LTTNG_MAP_QUERY_CONFIG_APP_BITNESS_ALL);
+
+       if (!map_query) {
+               printf("Error creating the map query\n");
+               ret = -1;
+               goto end;
+       }
+
+       query_status = lttng_map_query_add_cpu(map_query, 0);
+       if (query_status != LTTNG_MAP_QUERY_STATUS_OK) {
+               printf("Error setting the targeted cpu\n");
+               ret = -1;
+               goto end;
+       }
+
+       query_status = lttng_map_query_add_key_filter(map_query,
+                       "total number of hits");
+       if (query_status != LTTNG_MAP_QUERY_STATUS_OK) {
+               printf("Error setting the targeted key\n");
+               ret = -1;
+               goto end;
+       }
+
+       ret_code = lttng_list_maps(handle, &map_list);
+       if (ret_code != LTTNG_OK) {
+               printf("Error getting list of all maps\n");
+               ret = -1;
+               goto end;
+       }
+
+       map_status = lttng_map_list_get_count(map_list, &map_count);
+       if (map_status != LTTNG_MAP_STATUS_OK) {
+               printf("Error getting the number of maps\n");
+               ret = -1;
+               goto end;
+       }
+
+       if (map_count < 1) {
+               printf("Error: expecting at least 1 map.\n");
+               ret = -1;
+               goto end;
+       }
+
+       map = lttng_map_list_get_at_index(map_list, 0);
+       if (!map) {
+               printf("Error getting map at index 0\n");
+               ret = -1;
+               goto end;
+       }
+
+       ret_code = lttng_list_map_content(handle, map, map_query, &map_content);
+       if (ret_code != LTTNG_OK) {
+               printf("Error executing the query on map\n");
+               ret = -1;
+               goto end;
+       }
+
+       map_status = lttng_map_content_get_count(map_content, &list_count);
+       if (map_status != LTTNG_MAP_STATUS_OK) {
+               printf("Error getting the number of key value pair list\n");
+               ret = -1;
+               goto end;
+       }
+
+       if (list_count < 1) {
+               printf("Error: expecting at least 1 list.\n");
+               ret = -1;
+               goto end;
+       }
+
+       kv_list = lttng_map_content_get_at_index(map_content, 0);
+       if (!kv_list) {
+               printf("Error getting key value pair list at index 0\n");
+               ret = -1;
+               goto end;
+       }
+
+       kv_pair = lttng_map_key_value_pair_list_get_at_index(kv_list, 0);
+       if (!kv_pair) {
+               printf("Error getting key value pair at index 0\n");
+               ret = -1;
+               goto end;
+       }
+
+       lttng_map_key_value_pair_get_key(kv_pair, &key);
+       lttng_map_key_value_pair_get_value(kv_pair, &value);
+
+       printf("Key: \"%s\", value: %"PRId64"\n", key, value);
+
+       ret = 0;
+end:
+       return ret;
+}