List existing tracing sessions:
lttng [GENERAL OPTIONS] list
List available event sources:
lttng [GENERAL OPTIONS] list [--fields]
[--kernel [--syscall]] [--userspace] [--jul] [--log4j] [--python]
List tracing session’s domains:
lttng [GENERAL OPTIONS] list --domain SESSION
List tracing session’s channels and event rules:
lttng [GENERAL OPTIONS] list [--channel=CHANNEL] SESSION
The lttng list command lists tracing sessions, tracing domains,
channels, and events.
Without arguments, lttng list lists the existing tracing sessions and
shows if they are active or not.
With one or more of the --kernel, --userspace, --jul, --log4j, and
--python domain options, the command lists the available event
sources of the selected domain on the system. The JUL, log4j, and
Python domains list the names of their available loggers. The
--syscall option can be used alongside the --kernel option to get a
list of traceable Linux system calls. The --fields option can be used
to show the fields of the listed event sources.
Providing a tracing session name SESSION targets a specific tracing
session. If the --domain option is used, domains containing at least
one channel in the selected tracing session are listed. Otherwise,
all the domains, channels, and event rules of the selected tracing
session are listed along with its details (trace path, for example),
except when the --channel option is used to isolate a specific
channel by name.
General options are described in lttng(1).
List event sources in the java.util.logging (JUL) domain.
List event sources in the Linux kernel domain.
List event sources in the Apache log4j domain.
List event sources in the Python domain.
List event sources in the user space domain.
Target-c CHANNEL, --channel=CHANNEL
Only list the details of the channel named CHANNEL.
Show the domains of the target tracing session in which at least
one channel exists.
When listing the event sources with one of the domain options,
also show their fields.
When listing the event sources of the Linux kernel domain, list
the traceable system calls instead of the kernel tracepoints.
Program information-h, --help
Show command help.
This option, like lttng-help(1), attempts to launch /usr/bin/man
to view the command’s man page. The path to the man pager can be
overridden by the LTTNG_MAN_BIN_PATH environment variable.
List available command options.
Set to 1 to abort the process after the first error is
Overrides the $HOME environment variable. Useful when the user
running the commands has a non-writable home directory.
Absolute path to the man pager to use for viewing help
information about LTTng commands (using lttng-help(1) or lttngCOMMAND --help).
Path in which the session.xsd session configuration XML schema
may be found.
Full session daemon binary path.
The --sessiond-path option has precedence over this environment
Note that the lttng-create(1) command can spawn an LTTng session
daemon automatically if none is running. See lttng-sessiond(8) for
the environment variables influencing the execution of the session
User LTTng runtime configuration.
This is where the per-user current tracing session is stored
between executions of lttng(1). The current tracing session can
be set with lttng-set-session(1). See lttng-create(1) for more
information about tracing sessions.
Default output directory of LTTng traces. This can be overridden
with the --output option of the lttng-create(1) command.
User LTTng runtime and configuration directory.
Default location of saved user tracing sessions (see
lttng-save(1) and lttng-load(1)).
System-wide location of saved tracing sessions (see lttng-save(1)
Note$LTTNG_HOME defaults to $HOME when not explicitly set.
Special thanks to Michel Dagenais and the DORSAL laboratory
<http://www.dorsal.polymtl.ca/> at École Polytechnique de Montréal
for the LTTng journey.
Also thanks to the Ericsson teams working on tracing which helped us
greatly with detailed bug reports and unusual test cases.
LTTng-tools was originally written by Mathieu Desnoyers, Julien
Desfossez, and David Goulet. More people have since contributed to
LTTng-tools is currently maintained by Jérémie Galarneau
This page is part of the LTTng-Tools ( LTTng tools) project.
Information about the project can be found at ⟨http://lttng.org/⟩.
It is not known how to report bugs for this man page; if you know,
please send a mail to email@example.com. This page was obtained
from the project's upstream Git repository
⟨git://git.lttng.org/lttng-tools.git⟩ on 2017-03-13. If you discover
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
LTTng 2.10.0-pre 03/13/2017 LTTNG-LIST(1)