X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Ftrace-kernel.h;h=e0a3105533e41d52f945d06602a18d3b964c6bfb;hp=8bd1ffe321b1075460ba53ef5bf3de79b69d92f9;hb=55c9e7cac24318259d4f2549c97f7577b7b52db4;hpb=fb5f35b688fa31b21b25f9a6a831df3e5aa243ed

diff --git a/src/bin/lttng-sessiond/trace-kernel.h b/src/bin/lttng-sessiond/trace-kernel.h
index 8bd1ffe32..e0a310553 100644
--- a/src/bin/lttng-sessiond/trace-kernel.h
+++ b/src/bin/lttng-sessiond/trace-kernel.h
@@ -26,6 +26,7 @@
 #include <common/defaults.h>
 
 #include "consumer.h"
+#include "tracker.h"
 
 /* Kernel event list */
 struct ltt_kernel_event_list {
@@ -42,36 +43,47 @@ struct ltt_kernel_channel_list {
 	struct cds_list_head head;
 };
 
+struct ltt_kernel_context {
+	struct lttng_kernel_context ctx;
+	struct cds_list_head list;
+	/* Indicates whether or not the context is in a list. */
+	bool in_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;
+	struct lttng_userspace_probe_location *userspace_probe_location;
 };
 
 /* Kernel channel */
 struct ltt_kernel_channel {
 	int fd;
+	uint64_t key; /* Key to reference this channel with the consumer. */
 	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;
+	bool published_to_notification_thread;
+	struct cds_list_head ctx_list;
 	struct lttng_channel *channel;
 	struct ltt_kernel_event_list events_list;
 	struct ltt_kernel_stream_list stream_list;
 	struct cds_list_head list;
 	/* Session pointer which has a reference to this object. */
 	struct ltt_kernel_session *session;
+	bool sent_to_consumer;
 };
 
 /* Metadata */
 struct ltt_kernel_metadata {
 	int fd;
+	uint64_t key; /* Key to reference this channel with the consumer. */
 	struct lttng_channel *conf;
 };
 
@@ -79,8 +91,12 @@ struct ltt_kernel_metadata {
 struct ltt_kernel_stream {
 	int fd;
 	int state;
+	int cpu;
+	bool sent_to_consumer;
 	/* Format is %s_%d respectively channel name and CPU number. */
 	char name[DEFAULT_STREAM_NAME_LEN];
+	uint64_t tracefile_size;
+	uint64_t tracefile_count;
 	struct cds_list_head list;
 };
 
@@ -91,43 +107,60 @@ struct ltt_kernel_session {
 	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 */
 	uid_t uid;
 	gid_t gid;
-	/*
-	 * Two consumer_output object are needed where one is needed for the
-	 * current output object and the second one is the temporary object used to
-	 * store URI being set by the lttng_set_consumer_uri call. Once
-	 * lttng_enable_consumer is called, the two pointers are swapped.
-	 */
 	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;
+	/* Current trace chunk of the ltt_session. */
+	struct lttng_trace_chunk *current_trace_chunk;
+	/* Tracker lists */
+	struct lttng_tracker_list *tracker_list_pid;
+	struct lttng_tracker_list *tracker_list_vpid;
+	struct lttng_tracker_list *tracker_list_uid;
+	struct lttng_tracker_list *tracker_list_vuid;
+	struct lttng_tracker_list *tracker_list_gid;
+	struct lttng_tracker_list *tracker_list_vgid;
 };
 
 /*
  * 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);
+		const 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_channel *trace_kernel_create_channel(struct lttng_channel *chan, char *path);
-struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev);
+struct ltt_kernel_session *trace_kernel_create_session(void);
+struct ltt_kernel_channel *trace_kernel_create_channel(
+		struct lttng_channel *chan);
+enum lttng_error_code trace_kernel_create_event(struct lttng_event *ev,
+		char *filter_expression, struct lttng_filter_bytecode *filter,
+		struct ltt_kernel_event **kernel_event);
 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);
+struct ltt_kernel_context *trace_kernel_copy_context(
+		struct ltt_kernel_context *ctx);
 
 /*
  * Destroy functions free() the data structure and remove from linked list if
@@ -138,5 +171,7 @@ void trace_kernel_destroy_metadata(struct ltt_kernel_metadata *metadata);
 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);
+void trace_kernel_free_session(struct ltt_kernel_session *session);
 
 #endif /* _LTT_TRACE_KERNEL_H */