Add stream instance id to the packet header

[lttng-modules.git] / lttng-events.h

diff --git a/lttng-events.h b/lttng-events.h
index 4d1b54f907992a5a22dad8ce4ecc0f5172f135f6..b3e94a0c60b670acd814c21010be72cc0c128b86 100644 (file)
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -358,6 +358,12 @@ struct lttng_channel_ops {
        int (*current_timestamp) (const struct lib_ring_buffer_config *config,
                        struct lib_ring_buffer *bufb,
                        uint64_t *ts);
+       int (*sequence_number) (const struct lib_ring_buffer_config *config,
+                       struct lib_ring_buffer *bufb,
+                       uint64_t *seq);
+       int (*instance_id) (const struct lib_ring_buffer_config *config,
+                       struct lib_ring_buffer *bufb,
+                       uint64_t *id);
 };
 
 struct lttng_transport {
@@ -415,7 +421,6 @@ struct lttng_metadata_stream {
        wait_queue_head_t read_wait;    /* Reader buffer-level wait queue */
        struct list_head list;          /* Stream list */
        struct lttng_transport *transport;
-       struct mutex lock;
 };
 
 
@@ -461,6 +466,7 @@ struct lttng_metadata_cache {
        struct kref refcount;           /* Metadata cache usage */
        struct list_head metadata_stream;       /* Metadata stream list */
        uuid_le uuid;                   /* Trace session unique ID (copy) */
+       struct mutex lock;
 };
 
 void lttng_lock_sessions(void);
@@ -605,6 +611,7 @@ void lttng_remove_context_field(struct lttng_ctx **ctx,
                                struct lttng_ctx_field *field);
 void lttng_destroy_context(struct lttng_ctx *ctx);
 int lttng_add_pid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_cpu_id_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_prio_to_ctx(struct lttng_ctx **ctx);
 int lttng_add_nice_to_ctx(struct lttng_ctx **ctx);