X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_frontend.c;fp=lib%2Fringbuffer%2Fring_buffer_frontend.c;h=b924bddfa0cd8b86b70aea2676059b2aa3a6c918;hb=53f7c057e722934b40599fa9d5daf0cda3bda671;hp=bc9a7b263a7cc5808a76ae6e5b54b9f796013f39;hpb=e795690f41343b02cb6e78aa5edfe126c072a53c;p=lttng-modules.git

diff --git a/lib/ringbuffer/ring_buffer_frontend.c b/lib/ringbuffer/ring_buffer_frontend.c
index bc9a7b26..b924bddf 100644
--- a/lib/ringbuffer/ring_buffer_frontend.c
+++ b/lib/ringbuffer/ring_buffer_frontend.c
@@ -904,15 +904,6 @@ int lib_ring_buffer_snapshot(struct lib_ring_buffer *buf,
 	unsigned long consumed_cur, write_offset;
 	int finalized;
 
-	/*
-	 * First, ensure we perform a "final" flush onto the stream.  This will
-	 * ensure we create a packet of padding if we encounter an empty
-	 * packet. This ensures the time-stamps right before the snapshot is
-	 * used as end of packet timestamp.
-	 */
-	if (!buf->quiescent)
-		_lib_ring_buffer_switch_remote(buf, SWITCH_FLUSH);
-
 retry:
 	finalized = ACCESS_ONCE(buf->finalized);
 	/*
@@ -1663,6 +1654,13 @@ void lib_ring_buffer_switch_remote(struct lib_ring_buffer *buf)
 }
 EXPORT_SYMBOL_GPL(lib_ring_buffer_switch_remote);
 
+/* Switch sub-buffer even if current sub-buffer is empty. */
+void lib_ring_buffer_switch_remote_empty(struct lib_ring_buffer *buf)
+{
+	_lib_ring_buffer_switch_remote(buf, SWITCH_FLUSH);
+}
+EXPORT_SYMBOL_GPL(lib_ring_buffer_switch_remote_empty);
+
 /*
  * Returns :
  * 0 if ok