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NAME | SYNOPSIS | DESCRIPTION | COMMANDS | OPTIONS | SEE ALSO | AUTHOR | RESOURCES | COPYING | NOTES | COLOPHON |
TRACE-CMD(1) TRACE-CMD(1)
trace-cmd - interacts with Ftrace Linux kernel internal tracer
trace-cmd COMMAND [OPTIONS]
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.
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.
hist - show a histogram of the events.
stat - show tracing (ftrace) status of the running system
options - list the plugin options that are available to *report*
start - start the tracing without recording to a trace.dat file.
stop - stop tracing (only disables recording, overhead of tracer
is still in effect)
restart - restart tracing from a previous stop (only effects recording)
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.
restore - restore the data files of a crashed run of trace-cmd record
stack - run and display the stack tracer
check-events - parse format strings for all trace events and return
whether all formats are parseable
-h, --help
Display the help text.
Other options see the man page for the corresponding command.
trace-cmd-record(1), trace-cmd-report(1), trace-cmd-hist(1),
trace-cmd-start(1), trace-cmd-stop(1), trace-cmd-extract(1),
trace-cmd-reset(1), trace-cmd-restore(1), trace-cmd-stack(1),
trace-cmd-split(1), trace-cmd-list(1), trace-cmd-listen(1),
trace-cmd.dat(5), trace-cmd-check-events(1) trace-cmd-stat(1)
Written by Steven Rostedt, <rostedt@goodmis.org[1]>
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git
Copyright (C) 2010 Red Hat, Inc. Free use of this software is granted
under the terms of the GNU Public License (GPL).
1. rostedt@goodmis.org
mailto:rostedt@goodmis.org
This page is part of the trace-cmd (a front-end for Ftrace) project.
Information about the project can be found at [unknown -- if you
know, please contact man-pages@man7.org] If you have a bug report for
this manual page, send it to Steven Rostedt <rostedt@goodmis.org>.
This page was obtained from the project's upstream Git repository
⟨git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git⟩
on 2017-07-05. 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 to man-pages@man7.org
12/17/2015 TRACE-CMD(1)