BABELTRACE(1)                                                  BABELTRACE(1)

NAME         top

       babeltrace — Babeltrace Trace Viewer and Converter

SYNOPSIS         top

       babeltrace [OPTIONS] FILE...

DESCRIPTION         top

       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

       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)

       -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)

              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.

              Disregard internal clock offset (use raw value)

       --clock-offset seconds
              Clock offset in seconds

              Print the timestamps as [sec.ns] (default is: [hh:mm:ss.ns])

              Print clock date

              Print clock in GMT time zone (default: local time zone)

              Only print events when all streams are active

              Directory in which to look for debugging information files
              (default: /usr/lib/debug/)

              Directory to use as a prefix for executable lookup

              Show full debug info source and binary paths (if available)

       Formats available: ctf, lttng-live, dummy, text, ctf-metadata.


       Note that all command line options will override environment

              Activate verbose Babeltrace output.

              Activate debug Babeltrace output.

SEE ALSO         top

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

BUGS         top

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

       If you encounter any issues or usability problem, please report it on
       our mailing list <> to help improve this

CREDITS         top

       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 for
       more information on Babeltrace and the Common Trace Format. See for more information on the LTTng project.

       Mailing list for support and development: <lttng->.

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

THANKS         top

       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

AUTHORS         top

       Babeltrace was originally written by Mathieu Desnoyers, with
       additional contributions from various other people. It is currently
       maintained by Mathieu Desnoyers <>.

COLOPHON         top

       This page is part of the babeltrace (trace read and write libraries
       and a trace converter) project.  Information about the project can be
       found at ⟨⟩.  If you have a bug
       report for this manual page, send it to
       This page was obtained from the project's upstream Git repository 
       ⟨git://⟩ on 2017-09-15.  If you dis‐
       cover any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page, or
       you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a mail

                              February 6, 2012                 BABELTRACE(1)

Pages that refer to this page: lttng(1)lttng-calibrate(1)lttng-crash(1)lttng-view(1)lttng-ust(3)lttng-relayd(8)lttng-sessiond(8)