Move LTTng-UST buffer ownership from application to consumer

[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 e5a8f3b0b4c0f6acd7268cf760bca94e777b6503..66ca8dbdef5a9b8f5818855b6cb51c88820ef319 100644 (file)
--- a/src/bin/lttng-sessiond/trace-kernel.h
+++ b/src/bin/lttng-sessiond/trace-kernel.h
@@ -23,6 +23,7 @@
 #include <lttng/lttng.h>
 #include <common/lttng-kernel.h>
 #include <common/lttng-kernel-old.h>
+#include <common/defaults.h>
 
 #include "consumer.h"
 
@@ -45,11 +46,6 @@ struct ltt_kernel_channel_list {
 struct ltt_kernel_event {
        int fd;
        int enabled;
-       /*
-        * TODO: need internal representation to support more than a
-        * single context.
-        */
-       struct lttng_kernel_context *ctx;
        struct lttng_kernel_event *event;
        struct cds_list_head list;
 };
@@ -69,6 +65,8 @@ struct ltt_kernel_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;
 };
 
 /* Metadata */
@@ -81,8 +79,9 @@ struct ltt_kernel_metadata {
 struct ltt_kernel_stream {
        int fd;
        int state;
+       int cpu;
        /* Format is %s_%d respectively channel name and CPU number. */
-       char name[LTTNG_SYMBOL_NAME_LEN];
+       char name[DEFAULT_STREAM_NAME_LEN];
        struct cds_list_head list;
 };
 
@@ -109,6 +108,8 @@ struct ltt_kernel_session {
        struct consumer_output *tmp_consumer;
        /* Tracing session id */
        unsigned int id;
+       /* Session is started and active */
+       unsigned int started;
 };
 
 /*
@@ -123,7 +124,8 @@ struct ltt_kernel_channel *trace_kernel_get_channel_by_name(
  * 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_channel *trace_kernel_create_channel(
+               struct lttng_channel *chan);
 struct ltt_kernel_event *trace_kernel_create_event(struct lttng_event *ev);
 struct ltt_kernel_metadata *trace_kernel_create_metadata(void);
 struct ltt_kernel_stream *trace_kernel_create_stream(const char *name,