trace-cmd-listen - listen for incoming connection to record tracing.
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Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public
License (GPL).
Description
The trace-cmd(1) listen sets up a port to listen to waiting for connections from other hosts that run
trace-cmd-record(1) with the -N option. When a connection is made, and the remote host sends data, it
will create a file called trace.HOST:PORT.dat. Where HOST is the name of the remote host, and PORT is the
port that the remote host used to connect with.
Name
trace-cmd-listen - listen for incoming connection to record tracing.
Notes
1. rostedt@goodmis.orgmailto:rostedt@goodmis.org
libtracefs 04/08/2024 TRACE-CMD-LISTEN(1)
Options
-pport
This option will specify the port to listen to.
-D
This options causes trace-cmd listen to go into a daemon mode and run in the background.
-V
Listen on a vsocket instead. This is useful for tracing between host and guest VMs.
-ddir
This option specifies a directory to write the data files into.
-ofilename
This option overrides the default trace in the trace.HOST:PORT.dat that is created when a remote host
connects.
-lfilename
This option writes the output messages to a log file instead of standard output.
--verbose[=level]
Set the log level. Supported log levels are "none", "critical", "error", "warning", "info", "debug",
"all" or their identifiers "0", "1", "2", "3", "4", "5", "6". Setting the log level to specific value
enables all logs from that and all previous levels. The level will default to "info" if one is not
specified.
Example: enable all critical, error and warning logs
trace-cmd listen --verbose=warning
Resources
https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/
See Also
trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1), trace-cmd-reset(1), trace-cmd-split(1), trace-cmd-list(1)
Synopsis
trace-cmdlisten -p port [OPTIONS]
