#include <lttng/lttng.h>
#include <common/lttng-kernel.h>
+#include <common/lttng-kernel-old.h>
+#include <common/defaults.h>
+
+#include "consumer.h"
/* Kernel event list */
struct ltt_kernel_event_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;
};
struct ltt_kernel_channel {
int fd;
int enabled;
- char *pathname;
unsigned int stream_count;
unsigned int event_count;
/*
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 */
struct ltt_kernel_metadata {
int fd;
- char *pathname;
struct lttng_channel *conf;
};
/* Channel stream */
struct ltt_kernel_stream {
int fd;
- char *pathname;
int state;
+ int cpu;
+ /* 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;
};
int fd;
int metadata_stream_fd;
int consumer_fds_sent;
- int consumer_fd;
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;
};
/*
/*
* 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_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_metadata *trace_kernel_create_metadata(char *path);
-struct ltt_kernel_stream *trace_kernel_create_stream(void);
+struct ltt_kernel_metadata *trace_kernel_create_metadata(void);
+struct ltt_kernel_stream *trace_kernel_create_stream(const char *name,
+ unsigned int count);
/*
* Destroy functions free() the data structure and remove from linked list if