struct cds_list_head head;
};
+struct ltt_kernel_context {
+ struct lttng_kernel_context ctx;
+ struct cds_list_head list;
+};
+
/* Kernel event */
struct ltt_kernel_event {
int fd;
int enabled;
+ enum lttng_event_type type;
struct lttng_kernel_event *event;
struct cds_list_head list;
+ char *filter_expression;
+ struct lttng_filter_bytecode *filter;
};
/* Kernel channel */
int enabled;
unsigned int stream_count;
unsigned int event_count;
- /*
- * TODO: need internal representation to support more than a
- * single context.
- */
- struct lttng_kernel_context *ctx;
+ struct cds_list_head ctx_list;
struct lttng_channel *channel;
struct ltt_kernel_event_list events_list;
struct ltt_kernel_stream_list stream_list;
int consumer_fds_sent;
unsigned int channel_count;
unsigned int stream_count_global;
- char *trace_path;
struct ltt_kernel_metadata *metadata;
struct ltt_kernel_channel_list channel_list;
/* UID/GID of the user owning the session */
struct consumer_output *consumer;
struct consumer_output *tmp_consumer;
/* Tracing session id */
- unsigned int id;
- /* Session is started and active */
- unsigned int started;
+ uint64_t id;
+ /* Session is active or not meaning it has been started or stopped. */
+ unsigned int active:1;
+ /* Tell or not if the session has to output the traces. */
+ unsigned int output_traces;
+ unsigned int snapshot_mode;
+ unsigned int has_non_default_channel;
};
/*
* Lookup functions. NULL is returned if not found.
*/
struct ltt_kernel_event *trace_kernel_get_event_by_name(
- char *name, struct ltt_kernel_channel *channel);
+ char *name, struct ltt_kernel_channel *channel,
+ enum lttng_event_type type);
+struct ltt_kernel_event *trace_kernel_find_event(
+ char *name, struct ltt_kernel_channel *channel,
+ enum lttng_event_type type,
+ struct lttng_filter_bytecode *filter);
struct ltt_kernel_channel *trace_kernel_get_channel_by_name(
char *name, struct ltt_kernel_session *session);
/*
* Create functions malloc() the data structure.
*/
-struct ltt_kernel_session *trace_kernel_create_session(char *path);
+struct ltt_kernel_session *trace_kernel_create_session(void);
struct ltt_kernel_channel *trace_kernel_create_channel(
struct lttng_channel *chan);
-struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev);
+struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev,
+ char *filter_expression, struct lttng_filter_bytecode *filter);
struct ltt_kernel_metadata *trace_kernel_create_metadata(void);
struct ltt_kernel_stream *trace_kernel_create_stream(const char *name,
unsigned int count);
+struct ltt_kernel_context *trace_kernel_create_context(
+ struct lttng_kernel_context *ctx);
/*
* Destroy functions free() the data structure and remove from linked list if
void trace_kernel_destroy_channel(struct ltt_kernel_channel *channel);
void trace_kernel_destroy_event(struct ltt_kernel_event *event);
void trace_kernel_destroy_stream(struct ltt_kernel_stream *stream);
+void trace_kernel_destroy_context(struct ltt_kernel_context *ctx);
#endif /* _LTT_TRACE_KERNEL_H */