Add channel counter structures to internal header

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Change-Id: I00b2a4df48d66977deafedeb3e9f5021754bf42a

diff --git a/include/lttng/events-internal.h b/include/lttng/events-internal.h
index 26f6227c145ffdb536ef9093421bcb42989836ef..af7127e97cb3db0a0eed69c45ef9e3b9d361d64c 100644 (file)
--- a/include/lttng/events-internal.h
+++ b/include/lttng/events-internal.h
@@ -222,6 +222,41 @@ struct lttng_kernel_channel_buffer_private {
        struct lttng_transport *transport;
 };
 
+struct lttng_kernel_channel_counter_ops_private {
+       struct lttng_kernel_channel_counter_ops *pub;   /* Public channel counter ops interface */
+
+       struct lttng_kernel_channel_counter *(*counter_create)(size_t nr_dimensions,
+                       const struct lttng_counter_dimension *dimensions,
+                       int64_t global_sum_step);
+       void (*counter_destroy)(struct lttng_kernel_channel_counter *counter);
+       int (*counter_add)(struct lttng_kernel_channel_counter *counter,
+                       const size_t *dimension_indexes, int64_t v);
+       int (*counter_read)(struct lttng_kernel_channel_counter *counter,
+                       const size_t *dimension_indexes, int cpu,
+                       int64_t *value, bool *overflow, bool *underflow);
+       int (*counter_aggregate)(struct lttng_kernel_channel_counter *counter,
+                       const size_t *dimension_indexes, int64_t *value,
+                       bool *overflow, bool *underflow);
+       int (*counter_clear)(struct lttng_kernel_channel_counter *counter,
+                       const size_t *dimension_indexes);
+};
+
+struct lttng_kernel_channel_counter_private {
+       struct lttng_kernel_channel_common_private parent;
+
+       struct lttng_kernel_channel_counter *pub;               /* Public channel counter interface */
+       struct lib_counter *counter;
+       struct lttng_kernel_channel_counter_ops *ops;
+
+       /* Event notifier group owner. */
+       struct lttng_event_notifier_group *event_notifier_group;
+
+       /* Session owner. */
+       struct lttng_session *session;
+       struct list_head node;                          /* Counter list (in session) */
+       size_t free_index;                              /* Next index to allocate */
+};
+
 enum lttng_kernel_bytecode_interpreter_ret {
        LTTNG_KERNEL_BYTECODE_INTERPRETER_ERROR = -1,
        LTTNG_KERNEL_BYTECODE_INTERPRETER_OK = 0,