SoW-2020-0003: Trace Hit Counters

[lttng-tools.git] / include / lttng / map / map-query-internal.h

diff --git a/include/lttng/map/map-query-internal.h b/include/lttng/map/map-query-internal.h
new file mode 100644 (file)
index 0000000..16d7241
--- /dev/null
+++ b/include/lttng/map/map-query-internal.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_MAP_QUERY_INTERNAL_H
+#define LTTNG_MAP_QUERY_INTERNAL_H
+
+#include <stdint.h>
+
+#include <common/payload.h>
+#include <common/payload-view.h>
+
+#include <lttng/lttng.h>
+#include <lttng/map/map-query.h>
+
+struct lttng_map_query {
+       enum lttng_map_query_config_cpu config_cpu;
+       enum lttng_map_query_config_buffer config_buffer;
+       enum lttng_map_query_config_app_bitness config_bitness;
+
+       /*
+        * Aggregate the values of all selected CPUs in a single table.
+        */
+       bool sum_by_cpu;
+
+       /*
+        * Aggregate the values of all selected bitness in a single table.
+        */
+       bool sum_by_app_bitness;
+
+       /*
+        * Aggregate the values of all selected uid or pid in a single table.
+        */
+       bool sum_by_uid;
+       bool sum_by_pid;
+
+       char *key_filter;
+       struct lttng_dynamic_array cpu_array;
+       struct lttng_dynamic_array uid_array;
+       struct lttng_dynamic_array pid_array;
+};
+
+struct lttng_map_query_comm {
+       uint32_t key_filter_length; /* Include '\0' */
+
+       uint8_t config_cpu;
+       uint8_t config_buffer;
+       uint8_t config_app_bitness;
+
+       uint8_t sum_by_cpu;
+       uint8_t sum_by_app_bitness;
+       uint8_t sum_by_uid;
+       uint8_t sum_by_pid;
+
+       uint32_t cpu_count;
+       uint32_t uid_count;
+       uint32_t pid_count;
+       /*
+        * key_filter +
+        * (cpu_count * int) + (uid_count * uid_t) + (pid_count * pid_t)
+        */
+       char payload[];
+} LTTNG_PACKED;
+
+LTTNG_HIDDEN
+enum lttng_map_query_config_cpu lttng_map_query_get_config_cpu(
+               const struct lttng_map_query *query);
+
+LTTNG_HIDDEN
+enum lttng_map_query_config_buffer lttng_map_query_get_config_buffer(
+               const struct lttng_map_query *query);
+
+LTTNG_HIDDEN
+enum lttng_map_query_config_app_bitness lttng_map_query_get_config_app_bitness(
+               const struct lttng_map_query *query);
+
+LTTNG_HIDDEN
+bool lttng_map_query_get_config_sum_by_cpu(
+               const struct lttng_map_query *query);
+
+LTTNG_HIDDEN
+bool lttng_map_query_get_config_sum_by_pid(
+               const struct lttng_map_query *query);
+
+LTTNG_HIDDEN
+bool lttng_map_query_get_config_sum_by_uid(
+               const struct lttng_map_query *query);
+
+// Not supported yet.
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_set_sum_by_app_bitness(
+               struct lttng_map_query *query, bool sum_by_app_bitness);
+
+// Not supported yet.
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_set_sum_by_uid(
+               struct lttng_map_query *query, bool sum_by_uid);
+
+LTTNG_HIDDEN
+bool lttng_map_query_get_config_sum_by_app_bitness(
+               const struct lttng_map_query *query);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_cpu_count(
+               const struct lttng_map_query *query, unsigned int *count);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_uid_count(
+               const struct lttng_map_query *query, unsigned int *count);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_pid_count(
+               const struct lttng_map_query *query, unsigned int *count);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_cpu_at_index(
+               const struct lttng_map_query *query, unsigned int index,
+               int *cpu);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_uid_at_index(
+               const struct lttng_map_query *query, unsigned int index,
+               uid_t *uid);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_pid_at_index(
+               const struct lttng_map_query *query, unsigned int index,
+               pid_t *pid);
+
+LTTNG_HIDDEN
+enum lttng_map_query_status lttng_map_query_get_key_filter(
+               const struct lttng_map_query *query, const char **key_filter);
+
+LTTNG_HIDDEN
+ssize_t lttng_map_query_create_from_payload(struct lttng_payload_view *view,
+               struct lttng_map_query **query);
+
+LTTNG_HIDDEN
+int lttng_map_query_serialize(const struct lttng_map_query *query,
+               struct lttng_payload *payload);
+
+#endif /* LTTNG_MAP_QUERY_INTERNAL_H */