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trace-cmd

NAME

trace-cmd - interacts with Ftrace Linux kernel internal tracer

SYNOPSIS

trace-cmd COMMAND [OPTIONS]

DESCRIPTION

The trace-cmd(1) command interacts with the Ftrace tracer that is built inside the Linux kernel. It interfaces with the Ftrace specific files found in the debugfs file system under the tracing directory. A COMMAND must be specified to tell trace-cmd what to do.

COMMANDS

 record  - record a live trace and write a trace.dat file to the
           local disk or to the network.
 

 report  - reads a trace.dat file and converts the binary data to a
           ASCII text readable format.
 

 start   - start the tracing without recording to a trace.dat file.
 

 stop    - stop tracing (only disables recording, overhead of tracer
           is still in effect)
 

 extract - extract the data from the kernel buffer and create a trace.dat
           file.
 

 reset   - disables all tracing and gives back the system performance.
           (clears all data from the kernel buffers)
 

 split   - splits a trace.dat file into smaller files.
 

 list    - list the available plugins or events that can be recorded.
 

 listen  - open up a port to listen for remote tracing connections.
 

OPTIONS

*-h, --help

Displace the help text.

Other options see the man page for the corresponding command.

SEE ALSO

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), trace-cmd-listen(1), trace-cmd.dat(5)

AUTHOR

Written by Steven Rostedt, <m[blue]rostedt@goodmis.orgm[][1]>

RESOURCES

git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git

COPYING

Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted under the terms of the GNU Public License (GPL).

NOTES

1.

rostedt@goodmis.org

mailto:rostedt@goodmis.org