Fix: use biggest subbuffer size for snapshot max-size

[lttng-tools.git] / doc / man / lttng.1

diff --git a/doc/man/lttng.1 b/doc/man/lttng.1
index 3c7bbb44bd84bee3fa9ad58f6182832b6a5a5955..d4fba11878a3fb095b0b5c14f9310bd721bba0d2 100644 (file)
--- a/doc/man/lttng.1
+++ b/doc/man/lttng.1
@@ -880,6 +880,10 @@ Name of the snapshot's output.
 Maximum size in bytes of the snapshot. The maxium size does not include the
 metadata file. Human readable format is accepted: {+k,+M,+G}. For instance,
 \-\-max-size 5M
+
+The minimum size of a snapshot is computed by multiplying the total amount of
+streams in the session by the largest subbuffer size. This is to ensure
+fairness between channels when extracting data.
 .TP
 .BR "\-C, \-\-ctrl-url URL"
 Set control path URL. (Must use -D also)