Tracepoint loglevel: setup all loglevel information at build time

[lttng-ust.git] / include / lttng / ust-events.h

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 63162948d67563028a130ba1c833075f6b5b9d21..6b4863fd494540b921c6158544b94a8d3ebf3929 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -183,20 +183,34 @@ struct lttng_ctx {
        unsigned int allocated_fields;
 };
 
+struct tracepoint_loglevel_entry  {
+       const char *identifier;
+       long value;
+};
+
 struct lttng_event_desc {
        const char *name;
        void *probe_callback;
        const struct lttng_event_ctx *ctx;      /* context */
        const struct lttng_event_field *fields; /* event payload */
        unsigned int nr_fields;
+       const struct tracepoint_loglevel_entry **loglevel;
 };
 
 struct lttng_probe_desc {
-       const struct lttng_event_desc *event_desc;
+       const char *provider;
+       const struct lttng_event_desc **event_desc;
        unsigned int nr_events;
+       const struct tracepoint_loglevel_entry **loglevels;
+       unsigned int nr_loglevels;
        struct cds_list_head head;              /* chain registered probes */
 };
 
+struct tp_loglevel_iter {
+       struct lttng_probe_desc *desc;
+       const struct tracepoint_loglevel_entry *loglevel;
+};
+
 struct ust_pending_probe;
 
 /*
@@ -324,9 +338,10 @@ struct ltt_channel *ltt_global_channel_create(struct ltt_session *session,
                                       int *shm_fd, int *wait_fd,
                                       uint64_t *memory_map_size);
 
-struct ltt_event *ltt_event_create(struct ltt_channel *chan,
-                                  struct lttng_ust_event *event_param,
-                                  void *filter);
+int ltt_event_create(struct ltt_channel *chan,
+               struct lttng_ust_event *event_param,
+               void *filter,
+               struct ltt_event **event);
 
 int ltt_channel_enable(struct ltt_channel *channel);
 int ltt_channel_disable(struct ltt_channel *channel);