[lttng-dev] [lttng-tools PATCH] Small fixes to lttng.1 man page
Yannick Brosseau
yannick.brosseau at gmail.com
Tue Mar 20 10:44:30 EDT 2012
Signed-off-by: Yannick Brosseau <yannick.brosseau at gmail.com>
---
doc/man/lttng.1 | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/doc/man/lttng.1 b/doc/man/lttng.1
index 827c63c..26e2fdc 100644
--- a/doc/man/lttng.1
+++ b/doc/man/lttng.1
@@ -17,7 +17,7 @@ It's tracers help tracking down performance issues and debugging problems
involving multiple concurrent processes and threads. Tracing across multiple
systems is also possible.
-The \fBlttng\fP command line tool from lttng-tools package is used to control
+The \fBlttng\fP command line tool from the lttng-tools package is used to control
both kernel and user-space tracing. Every interactions with the tracer should
be done by this tool or by the liblttng-ctl provided with the lttng-tools
package.
@@ -32,8 +32,8 @@ In order to trace the kernel, the session daemon needs to be running as root.
LTTng provides the use of a \fBtracing group\fP (default: tracing). Whomever is
in that group can interact with the root session daemon and thus trace the
kernel. Session daemons can co-exist meaning that you can have a session daemon
-running as Alice that can be use to trace her applications along side with a
-root daemon or even a Bob daemon. We highly recommand to start the session
+running as Alice that can be used to trace her applications along side with a
+root daemon or even a Bob daemon. We highly recommend to start the session
daemon at boot time for stable and long term tracing.
Every user-space applications instrumented with lttng-ust(3), will
@@ -53,7 +53,8 @@ Show summary of possible options and commands.
.TP
.BR "\-v, \-\-verbose"
Increase verbosity.
-FIXME : details (\-v : sessiond verbose, \-vv : consumerd verbose, etc) ?
+Three levels of verbosity are available which are triggered by putting additionnal v to
+the option (\-vv or \-vvv)
.TP
.BR "\-q, \-\-quiet"
Suppress all messages (even errors).
@@ -205,7 +206,7 @@ aggregating multiple tracing sources.
On creation, a \fB.lttngrc\fP file is created in your $HOME directory
containing the current session name. If NAME is omitted, a session name is
-automatically created having this form: 'auto-yyyymmdd-hhmms'.
+automatically created having this form: 'auto-yyyymmdd-hhmmss'.
If no \fB\-o, \-\-output\fP is specified, the traces will be written in
$HOME/lttng-traces.
@@ -395,6 +396,10 @@ List tracing session information.
With no arguments, it will list available tracing session(s).
+With the session name, it will display the details of the session including
+the trace file path, the associated channels and their state (activated
+and deactivated), the activated events and more.
+
With \-k alone, it will list all available kernel events (except the system
calls events).
With \-u alone, it will list all available user-space events from registered
--
1.7.9.1
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