int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
int lttng_kconsumer_sample_snapshot_positions(
struct lttng_consumer_stream *stream);
int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
int lttng_kconsumer_sample_snapshot_positions(
struct lttng_consumer_stream *stream);