Implement kernel filter support

[lttng-tools.git] / src / bin / lttng-sessiond / trace-kernel.h

diff --git a/src/bin/lttng-sessiond/trace-kernel.h b/src/bin/lttng-sessiond/trace-kernel.h
index db91b2ed24cd57191e92a32376f0bc94e6b47482..9d50f4c79f86dd40a30f674c6cce8b5a6a35451b 100644 (file)
--- a/src/bin/lttng-sessiond/trace-kernel.h
+++ b/src/bin/lttng-sessiond/trace-kernel.h
@@ -51,8 +51,11 @@ struct ltt_kernel_context {
 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 */
@@ -122,7 +125,12 @@ struct ltt_kernel_session {
  * 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);
 
@@ -132,7 +140,8 @@ struct ltt_kernel_channel *trace_kernel_get_channel_by_name(
 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);