Implement consumer ring buffer position sampling

[lttng-tools.git] / src / common / kernel-consumer / kernel-consumer.h

diff --git a/src/common/kernel-consumer/kernel-consumer.h b/src/common/kernel-consumer/kernel-consumer.h
index a07f5218828536f0f1cb6b7e444785c078d9bd35..fe6923678a325627f55b7526babd5e49a4bf6f7d 100644 (file)
--- a/src/common/kernel-consumer/kernel-consumer.h
+++ b/src/common/kernel-consumer/kernel-consumer.h
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
  * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, version 2 only,
@@ -22,6 +23,8 @@
 #include <common/consumer/consumer.h>
 
 int lttng_kconsumer_take_snapshot(struct lttng_consumer_stream *stream);
+int lttng_kconsumer_sample_snapshot_positions(
+               struct lttng_consumer_stream *stream);
 int lttng_kconsumer_get_produced_snapshot(struct lttng_consumer_stream *stream,
         unsigned long *pos);
 int lttng_kconsumer_get_consumed_snapshot(struct lttng_consumer_stream *stream,