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Add kernel snapshot support
[lttng-tools.git]
/
src
/
common
/
consumer.h
diff --git
a/src/common/consumer.h
b/src/common/consumer.h
index b4c9aeafd135002c189a1c27e50a5c29a9cc53b2..f804b7260ce7e6d013eb55ff36c90487930562e3 100644
(file)
--- a/
src/common/consumer.h
+++ b/
src/common/consumer.h
@@
-54,6
+54,8
@@
enum lttng_consumer_command {
LTTNG_CONSUMER_CLOSE_METADATA,
LTTNG_CONSUMER_SETUP_METADATA,
LTTNG_CONSUMER_FLUSH_CHANNEL,
LTTNG_CONSUMER_CLOSE_METADATA,
LTTNG_CONSUMER_SETUP_METADATA,
LTTNG_CONSUMER_FLUSH_CHANNEL,
+ LTTNG_CONSUMER_SNAPSHOT_CHANNEL,
+ LTTNG_CONSUMER_SNAPSHOT_METADATA,
};
/* State of each fd in consumer */
};
/* State of each fd in consumer */
@@
-132,6
+134,13
@@
struct lttng_consumer_channel {
* LTTNG_CONSUMER_GET_CHANNEL.
*/
struct stream_list streams;
* LTTNG_CONSUMER_GET_CHANNEL.
*/
struct stream_list streams;
+
+ /*
+ * List of streams in no monitor mode for this channel. Used ONLY for
+ * snapshots recording.
+ */
+ struct stream_list stream_no_monitor_list;
+
/*
* Set if the channel is metadata. We keep a reference to the stream
* because we have to flush data once pushed by the session daemon. For a
/*
* Set if the channel is metadata. We keep a reference to the stream
* because we have to flush data once pushed by the session daemon. For a
@@
-154,6
+163,12
@@
struct lttng_consumer_channel {
/* On-disk circular buffer */
uint64_t tracefile_size;
uint64_t tracefile_count;
/* On-disk circular buffer */
uint64_t tracefile_size;
uint64_t tracefile_count;
+ /*
+ * Monitor or not the streams of this channel meaning this indicates if the
+ * streams should be sent to the data/metadata thread or added to the no
+ * monitor list of the channel.
+ */
+ unsigned int monitor;
};
/*
};
/*
@@
-245,6
+260,9
@@
struct lttng_consumer_stream {
/* On-disk circular buffer */
uint64_t tracefile_size_current;
uint64_t tracefile_count_current;
/* On-disk circular buffer */
uint64_t tracefile_size_current;
uint64_t tracefile_count_current;
+
+ /* Node for the no monitor stream list in a channel. */
+ struct cds_list_head no_monitor_node;
};
/*
};
/*
@@
-474,7
+492,8
@@
struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
uint64_t relayd_id,
enum lttng_event_output output,
uint64_t tracefile_size,
uint64_t relayd_id,
enum lttng_event_output output,
uint64_t tracefile_size,
- uint64_t tracefile_count);
+ uint64_t tracefile_count,
+ unsigned int monitor);
void consumer_del_stream(struct lttng_consumer_stream *stream,
struct lttng_ht *ht);
void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
void consumer_del_stream(struct lttng_consumer_stream *stream,
struct lttng_ht *ht);
void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
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