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 <[email protected]>, Gui Jianfeng <[email protected]>, and Mathieu Desnoyers <[email protected]>.

This manual page was written by Jon Bernard <[email protected]>, for the Debian project (and may be used by others).