NAME
lttctl -- linux trace toolkit control
SYNOPSIS
lttctl [options]... [tracename]
DESCRIPTION
lttctl is a small program that controls LTTng through liblttctl.
OPTIONS
· -h, --help: Show summary of options.
· -c, --create: Create a trace.
· -d, --destroy: Destroy a trace.
· -s, --start: Start a trace.
· -p, --pause: Pause a trace.
· --transport TRANSPORT: Set trace’s transport. (ex. relay-locked or
relay)
· -o, --option OPTION Set options, following operations are
supported:
channel.<channelname>.enable=
channel.<channelname>.overwrite=
channel.<channelname>.bufnum=
channel.<channelname>.bufsize= (in bytes, rounded to next power of 2)
<channelname> can be set to all for all channels
channel.<channelname>.switch_timer= (timer interval in ms)
· -C, --create_start: Create and start a trace.
· -D, --pause_destroy: Pause and destroy a trace.
· -w, --write PATH: Path for write trace datas. For -c, -C, -d, -D
options.
· -a, --append: Append to trace, For -w option.
· -n, --dump_threads NUMBER: Number of lttd threads, For -w option.
· --channel_root PATH: Set channels root path, For -w option. (ex.
/mnt/debugfs/ltt)
AUTHOR
lttctl was written by Zhao Lei <zhaolei@cn.fujitsu.com>, Gui Jianfeng
<guijianfeng@cn.fujitsu.com>, and Mathieu Desnoyers
<mathieu.desnoyers@efficios.com>.
This manual page was written by Jon Bernard <jbernard@debian.org>, for
the Debian project (and may be used by others).
May 2010