.TH "LTTNG" "1" "May 13th, 2014" "" ""
.SH "NAME"
-lttng \(em LTTng 2.x tracer control command line tool
+lttng \- LTTng 2.x tracer control command line tool
.SH "SYNOPSIS"
.SH "OPTIONS"
.PP
-This program follow the usual GNU command line syntax with long options starting with
+This program follows the usual GNU command line syntax with long options starting with
two dashes. Below is a summary of the available options.
.PP
.BR "\-h, \-\-help"
Show summary of possible options and commands.
.TP
+.BR "\-V, \-\-version"
+Show version.
+.TP
.BR "\-v, \-\-verbose"
Increase verbosity.
Three levels of verbosity are available which are triggered by putting additional v to
After the start, you'll be able to read the events while they are being
recorded in /tmp/lttng.
+.TP
+.BR "\-\-shm-path PATH"
+
+Path where shared memory holding buffers should be created. Useful
+when used with PRAMFS or other persistent memory filesystems to extract
+trace data in the event of a crash requiring a reboot.
+
+See the \fBlttng-crash(1)\fP utility for more information on crash recovery.
+
.TP
.BR "\-U, \-\-set-url=URL"
Set URL for the consumer output destination. It is persistent for the
Maximum size in bytes of the snapshot. The maximum 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)
.BR lttng-ust(3),
.BR lttng-sessiond(8),
.BR lttng-relayd(8),
+.BR lttng-crash(1),
.SH "BUGS"