\"      $NetBSD: tprof.8,v 1.30 2023/04/18 00:21:23 gutteridge Exp $
\"
\" Copyright (c)2011 YAMAMOTO Takashi,
\" All rights reserved.
\"
\" Redistribution and use in source and binary forms, with or without
\" modification, are permitted provided that the following conditions
\" are met:
\" 1. Redistributions of source code must retain the above copyright
\"    notice, this list of conditions and the following disclaimer.
\" 2. Redistributions in binary form must reproduce the above copyright
\"    notice, this list of conditions and the following disclaimer in the
\"    documentation and/or other materials provided with the distribution.
\"
\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
\" SUCH DAMAGE.
\"
Dd April 17, 2023
Dt TPROF 8
Os
Sh NAME
Nm tprof
Nd record tprof profiling samples
Sh SYNOPSIS
Nm
Ar op
Op Ar arguments
Sh DESCRIPTION
The
Nm
tool can be used to monitor hardware events
Tn ( PMC Ns s )
during the execution of
certain commands.
Pp
The
Nm
utility makes the kernel driver start profiling,
executes the specified command,
keeps recording samples from the kernel driver until the command finishes,
and reports statistics to the standard error.
Pp
The
Xr tprof 4
pseudo driver and a suitable backend should be loaded beforehand.
Pp
The
Nm
utility accepts the following options.
The first argument,
Ar op ,
specifies the action to take.
Valid actions are:
Bl -tag -width Cm

You are viewing proxied material from ftp.icm.edu.pl. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.