'\" t
.\"     Title: trace-cmd-clear
.\"    Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 01/22/2023
.\"    Manual: libtracefs Manual
.\"    Source: libtracefs
.\"  Language: English
.\"
.TH "TRACE\-CMD\-CLEAR" "1" "01/22/2023" "libtracefs" "libtracefs Manual"
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.SH "NAME"
trace-cmd-clear \- clear the Ftrace buffer\&.
.SH "SYNOPSIS"
.sp
\fBtrace\-cmd clear\fR [\fIOPTIONS\fR]
.SH "DESCRIPTION"
.sp
The \fBtrace\-cmd(1) clear\fR clears the content of the Ftrace ring buffer\&.
.SH "OPTIONS"
.PP
\fB\-B\fR \fIbuffer\-name\fR
.RS 4
If the kernel supports multiple buffers, this will clear only the given buffer\&. It does not affect any other buffers\&. This may be used multiple times to specify different buffers\&. The top level buffer will not be clearded if this option is given\&.
.RE
.PP
\fB\-a\fR
.RS 4
Clear all existing buffers, including the top level one\&.
.RE
.SH "SEE ALSO"
.sp
trace\-cmd(1), trace\-cmd\-record(1), trace\-cmd\-report(1), trace\-cmd\-start(1), trace\-cmd\-extract(1), trace\-cmd\-reset(1), trace\-cmd\-split(1), trace\-cmd\-list(1), trace\-cmd\-listen(1)
.SH "AUTHOR"
.sp
.if n \{\
.RS 4
.\}
.nf
\fBSteven Rostedt\fR <\m[blue]\fBrostedt@goodmis\&.org\fR\m[]\&\s-2\u[1]\d\s+2>, author of \fBtrace\-cmd\fR\&.
\fBTzvetomir Stoyanov\fR <\m[blue]\fBtz\&.stoyanov@gmail\&.com\fR\m[]\&\s-2\u[2]\d\s+2>, author of this man page\&.
.fi
.if n \{\
.RE
.\}
.SH "REPORTING BUGS"
.sp
Report bugs to <\m[blue]\fBlinux\-trace\-devel@vger\&.kernel\&.org\fR\m[]\&\s-2\u[3]\d\s+2>
.SH "LICENSE"
.sp
trace\-cmd is Free Software licensed under the terms of the GNU Public License (GPL)\&.
.SH "RESOURCES"
.sp
\m[blue]\fBhttps://git\&.kernel\&.org/pub/scm/utils/trace\-cmd/trace\-cmd\&.git/\fR\m[]
.SH "NOTES"
.IP " 1." 4
rostedt@goodmis.org
.RS 4
\%mailto:rostedt@goodmis.org
.RE
.IP " 2." 4
tz.stoyanov@gmail.com
.RS 4
\%mailto:tz.stoyanov@gmail.com
.RE
.IP " 3." 4
linux-trace-devel@vger.kernel.org
.RS 4
\%mailto:linux-trace-devel@vger.kernel.org
.RE