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BABELTRACE(1) BABELTRACE(1)

babeltrace — Babeltrace Trace Viewer and Converter

babeltrace [OPTIONS] FILE...

Babeltrace is a trace viewer and converter reading and writing the Common Trace Format (CTF). Its main use is to pretty-print CTF traces into a human-readable text output ordered by time.

This program follow the usual GNU command line syntax with long options starting with two dashes. Below is a summary of the available options.

FILE
Input trace FILE(s) or directory(ies)
-w, --output OUTPUT
Output trace path (default: stdout)
-i, --input-format FORMAT
Input trace format (default: ctf). CTF is currently the only supported input format.
-o, --output-format FORMAT
Output trace format (default: text)
-h, --help
This help message
-l, --list
List available formats
-v, --verbose
Verbose mode (or set BABELTRACE_VERBOSE environment variable)
-d, --debug
Debug mode (or set BABELTRACE_DEBUG environment variable)
--no-delta
Do not print time delta between consecutive events
-n, --names name1<,name2,...>
Print field names: (payload OR args OR arg), none, all, scope, header, (context OR ctx), (default: payload,context).
-f, --fields name1<,name2,...>
Print additional fields: all, trace, trace:hostname, trace:domain, trace:procname, trace:vpid, loglevel.
--clock-cycles
Disregard internal clock offset (use raw value)
--clock-offset seconds
Clock offset in seconds
--clock-seconds
Print the timestamps as [sec.ns] (default is: [hh:mm:ss.ns])
--clock-date
Print clock date
--clock-gmt
Print clock in GMT time zone (default: local time zone)
--stream-intersection
Only print events when all streams are active
--debug-info-dir
Directory in which to look for debugging information files (default: /usr/lib/debug/)
--debug-info-target-prefix
Directory to use as a prefix for executable lookup
--debug-info-full-path
Show full debug info source and binary paths (if available)

Formats available: ctf, dummy, text.

Note that all command line options will override environmenal variables.
BABELTRACE_VERBOSE
Activate verbose Babeltrace output.
BABELTRACE_DEBUG
Activate debug Babeltrace output.

babeltrace-log(1), lttng(1), lttng-ust(3), lttng-sessiond(8)

The lttng-live plugin does not honor the the "--output" command line option.

If you encounter any issues or usability problem, please report it on our mailing list <lttng-dev@lists.lttng.org> to help improve this project.

Babeltrace and the babeltrace library are distributed under the MIT license. See the files LICENSE and mit-license.txt for details.

A Web site is available at http://www.efficios.com/babeltrace for more information on Babeltrace and the Common Trace Format. See http://lttng.org for more information on the LTTng project.

Mailing list for support and development: <lttng-dev@lists.lttng.org>.

You can find us on IRC server irc.oftc.net (OFTC) in #lttng.

Thanks to the Linux Foundation and Ericsson for funding part of this work. Thanks to the Multicore Association Tool Infrastructure Working Group for their active role in the creation of the Common Trace Format.

Babeltrace was originally written by Mathieu Desnoyers, with additional contributions from various other people. It is currently maintained by Mathieu Desnoyers <mathieu.desnoyers@efficios.com>.
February 6, 2012

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