tc: added tc monitor description in man page

Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/man/man8/tc.8 b/man/man8/tc.8
index 5ffea373d18b713dfa701650b3dcbeae3db295d7..cc94faa9fa32c610ab7c1c39003e7a376f6bdfb1 100644 (file)
--- a/man/man8/tc.8
+++ b/man/man8/tc.8
@@ -81,13 +81,21 @@ tc \- show / manipulate traffic control settings
 .B filter show block
 \fIBLOCK_INDEX\fR
 
+.P
+.B tc
+.RI "[ " OPTIONS " ]"
+.B monitor [ file
+\fIFILENAME\fR
+.B ]
+
 .P
 .ti 8
 .IR OPTIONS " := {"
 \fB[ -force ] -b\fR[\fIatch\fR] \fB[ filename ] \fR|
 \fB[ \fB-n\fR[\fIetns\fR] name \fB] \fR|
 \fB[ \fB-nm \fR| \fB-nam\fR[\fIes\fR] \fB] \fR|
-\fB[ \fR{ \fB-cf \fR| \fB-c\fR[\fIonf\fR] \fR} \fB[ filename ] \fB] \fR}
+\fB[ \fR{ \fB-cf \fR| \fB-c\fR[\fIonf\fR] \fR} \fB[ filename ] \fB] \fR
+\fB[ -t\fR[imestamp\fR] \fB\] \fR| \fB[ -t\fR[short\fR] \fB]\fR }
 
 .ti 8
 .IR FORMAT " := {"
@@ -616,6 +624,17 @@ link
 Only available for qdiscs and performs a replace where the node
 must exist already.
 
+.SH MONITOR
+The\fB\ tc\fR\ utility can monitor events generated by the kernel such as
+adding/deleting qdiscs, filters or actions, or modifying existing ones.
+
+The following command is available for\fB\ monitor\fR\ :
+.TP
+\fBfile\fR
+If the file option is given, the \fBtc\fR does not listen to kernel events, but opens
+the given file and dumps its contents. The file has to be in binary
+format and contain netlink messages.
+
 .SH OPTIONS
 
 .TP
@@ -653,6 +672,16 @@ to
 specifies path to the config file. This option is used in conjunction with other options (e.g.
 .BR -nm ")."
 
+.TP
+.BR "\-t", " \-timestamp"
+When\fB\ tc monitor\fR\ runs, print timestamp before the event message in format:
+   Timestamp: <Day> <Month> <DD> <hh:mm:ss> <YYYY> <usecs> usec
+
+.TP
+.BR "\-ts", " \-tshort"
+When\fB\ tc monitor\fR\ runs, prints short timestamp before the event message in format:
+   [<YYYY>-<MM>-<DD>T<hh:mm:ss>.<ms>]
+
 .SH FORMAT
 The show command has additional formatting options: