[lttng-dev] [PATCH] Clarify limitations of the --syscall flag with enable-event command

Christian Babeux christian.babeux at efficios.com
Wed Apr 16 12:26:25 EDT 2014


Signed-off-by: Christian Babeux <christian.babeux at efficios.com>
---
 doc/man/lttng.1 | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/doc/man/lttng.1 b/doc/man/lttng.1
index 972f71c..9882083 100644
--- a/doc/man/lttng.1
+++ b/doc/man/lttng.1
@@ -541,7 +541,9 @@ Dynamic function entry/return probe. Addr and offset can be octal
 .BR "\-\-syscall"
 System call event. Enabling syscalls tracing (kernel tracer), you will
 not be able to disable them with disable-event. This is a known
-limitation. You can disable the entire channel to do the trick.
+limitation. You can disable the entire channel to do the trick. Also note
+that per-syscall selection is not supported yet. Use with "-a" to enable
+all syscalls.
 .TP
 .BR "\-\-filter 'expression'"
 Set a filter on a newly enabled event. Filter expression on event
-- 
1.9.2




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