| TRACE-CMD-STAT(1) |
| ================= |
| |
| NAME |
| ---- |
| trace-cmd-stat - show the status of the tracing (ftrace) system |
| |
| SYNOPSIS |
| -------- |
| *trace-cmd stat* |
| |
| DESCRIPTION |
| ----------- |
| The trace-cmd(1) stat displays the various status of the tracing (ftrace) |
| system. The status that it shows is: |
| |
| *Instances:* List all configured ftrace instances. |
| |
| *Tracer:* if one of the tracers (like function_graph) is active. Otherwise |
| nothing is displayed. |
| |
| *Events:* Lists the events that are enable. |
| |
| *Event filters:* Shows any filters that are set for any events |
| |
| *Function filters:* Shows any filters for the function tracers |
| |
| *Graph functions:* Shows any functions that the function graph tracer should graph |
| |
| *Buffers:* Shows the trace buffer size if they have been expanded. |
| By default, tracing buffers are in a compressed format until they are used. |
| If they are compressed, the buffer display will not be shown. |
| |
| *Trace clock:* If the tracing clock is anything other than the default "local" |
| it will be displayed. |
| |
| *Trace CPU mask:* If not all available CPUs are in the tracing CPU mask, then |
| the tracing CPU mask will be displayed. |
| |
| *Trace max latency:* Shows the value of the trace max latency if it is other than zero. |
| |
| *Kprobes:* Shows any kprobes that are defined for tracing. |
| |
| *Uprobes:* Shows any uprobes that are defined for tracing. |
| |
| *Error log:* Dump the content of ftrace error_log file. |
| |
| 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-listen(1) |
| |
| AUTHOR |
| ------ |
| Written by Steven Rostedt, <rostedt@goodmis.org> |
| |
| RESOURCES |
| --------- |
| git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/trace-cmd.git |
| |
| COPYING |
| ------- |
| Copyright \(C) 2014 Red Hat, Inc. Free use of this software is granted under |
| the terms of the GNU Public License (GPL). |
| |
