tracelog: use same class for all loglevels
[lttng-ust.git] / include / lttng / ust-ctl.h
index ed2b513d05b4abd3bc6afceb95567a7e1f7913e7..78e0cf727feb1a91c150c2a5b308bd8d3750c710 100644 (file)
@@ -21,6 +21,7 @@
 
 #include <lttng/ust-abi.h>
 #include <sys/types.h>
+#include <limits.h>
 
 #ifndef LTTNG_UST_UUID_LEN
 #define LTTNG_UST_UUID_LEN     16
@@ -50,6 +51,7 @@ struct ustctl_consumer_channel_attr {
        unsigned int switch_timer_interval;     /* usec */
        unsigned int read_timer_interval;       /* usec */
        enum lttng_ust_output output;           /* splice, mmap */
+       uint32_t chan_id;                       /* channel ID */
        unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
 } LTTNG_PACKED;
 
@@ -72,6 +74,8 @@ int ustctl_add_context(int sock, struct lttng_ust_context *ctx,
                struct lttng_ust_object_data **context_data);
 int ustctl_set_filter(int sock, struct lttng_ust_filter_bytecode *bytecode,
                struct lttng_ust_object_data *obj_data);
+int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion,
+               struct lttng_ust_object_data *obj_data);
 
 int ustctl_enable(int sock, struct lttng_ust_object_data *object);
 int ustctl_disable(int sock, struct lttng_ust_object_data *object);
@@ -128,6 +132,14 @@ int ustctl_send_stream_to_ust(int sock,
                struct lttng_ust_object_data *channel_data,
                struct lttng_ust_object_data *stream_data);
 
+/*
+ * ustctl_duplicate_ust_object_data allocated a new object in "dest" if
+ * it succeeds (returns 0). It must be released using
+ * ustctl_release_object() and then freed with free().
+ */
+int ustctl_duplicate_ust_object_data(struct lttng_ust_object_data **dest,
+               struct lttng_ust_object_data *src);
+
 /*
  * API used by consumer.
  */
@@ -136,8 +148,11 @@ struct ustctl_consumer_channel;
 struct ustctl_consumer_stream;
 struct ustctl_consumer_channel_attr;
 
+int ustctl_get_nr_stream_per_channel(void);
+
 struct ustctl_consumer_channel *
-       ustctl_create_channel(struct ustctl_consumer_channel_attr *attr);
+       ustctl_create_channel(struct ustctl_consumer_channel_attr *attr,
+               const int *stream_fds, int nr_stream_fds);
 /*
  * Each stream created needs to be destroyed before calling
  * ustctl_destroy_channel().
@@ -155,6 +170,10 @@ int ustctl_write_metadata_to_channel(
                struct ustctl_consumer_channel *channel,
                const char *metadata_str,       /* NOT null-terminated */
                size_t len);                    /* metadata length */
+ssize_t ustctl_write_one_packet_to_channel(
+               struct ustctl_consumer_channel *channel,
+               const char *metadata_str,       /* NOT null-terminated */
+               size_t len);                    /* metadata length */
 
 /*
  * Send a NULL stream to finish iteration over all streams of a given
@@ -207,6 +226,25 @@ int ustctl_put_subbuf(struct ustctl_consumer_stream *stream);
 void ustctl_flush_buffer(struct ustctl_consumer_stream *stream,
                int producer_active);
 
+/* index */
+int ustctl_get_timestamp_begin(struct ustctl_consumer_stream *stream,
+               uint64_t *timestamp_begin);
+int ustctl_get_timestamp_end(struct ustctl_consumer_stream *stream,
+       uint64_t *timestamp_end);
+int ustctl_get_events_discarded(struct ustctl_consumer_stream *stream,
+       uint64_t *events_discarded);
+int ustctl_get_content_size(struct ustctl_consumer_stream *stream,
+       uint64_t *content_size);
+int ustctl_get_packet_size(struct ustctl_consumer_stream *stream,
+       uint64_t *packet_size);
+int ustctl_get_stream_id(struct ustctl_consumer_stream *stream,
+               uint64_t *stream_id);
+int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
+               uint64_t *ts);
+
+/* returns whether UST has perf counters support. */
+int ustctl_has_perf_counters(void);
+
 /* event registry management */
 
 enum ustctl_socket_type {
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