Signed-off-by: Mathieu Desnoyers <[email protected]>
CC: David Goulet <[email protected]>
---
doc/man/lttng.1 | 2 ++
src/bin/lttng/commands/enable_channels.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/doc/man/lttng.1 b/doc/man/lttng.1
index ef73b06..42105c5 100644
--- a/doc/man/lttng.1
+++ b/doc/man/lttng.1
@@ -442,6 +442,8 @@ Use shared buffer for the whole system (\-k only)
.BR "\-C, \-\-tracefile-size SIZE"
Maximum size of each tracefile within a stream (in bytes).
0 means unlimited. (default: 0)
+Note: traces generated with this option may inaccurately report
+discarded events as per CTF 1.8.
.TP
.BR "\-W, \-\-tracefile-count COUNT"
Used in conjunction with \-C option, this will limit the number of files
diff --git a/src/bin/lttng/commands/enable_channels.c
b/src/bin/lttng/commands/enable_channels.c
index 55fbae6..4a1de2c 100644
--- a/src/bin/lttng/commands/enable_channels.c
+++ b/src/bin/lttng/commands/enable_channels.c
@@ -136,6 +136,8 @@ static void usage(FILE *ofp)
fprintf(ofp, " -C, --tracefile-size SIZE\n");
fprintf(ofp, " Maximum size of each tracefile
within a stream (in bytes). 0 means unlimited.\n");
fprintf(ofp, " (default: %u)\n",
DEFAULT_CHANNEL_TRACEFILE_SIZE);
+ fprintf(ofp, " Note: traces generated with
this option may inaccurately report\n");
+ fprintf(ofp, " discarded events as per CTF
1.8.\n");
fprintf(ofp, " -W, --tracefile-count COUNT\n");
fprintf(ofp, " Used in conjunction with -C
option, this will limit the number\n");
fprintf(ofp, " of files created to the
specified count. 0 means unlimited.\n");
--
1.7.10.4
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