2012-03-28 20:58:30 +00:00
|
|
|
.\" Copyright (c) 2012 Fabien Thomas. 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.
|
|
|
|
.\"
|
|
|
|
.\" $FreeBSD$
|
|
|
|
.\"
|
|
|
|
.Dd March 28, 2012
|
|
|
|
.Dt PMC.SOFT 3
|
2012-03-29 06:19:00 +00:00
|
|
|
.Os
|
2012-03-28 20:58:30 +00:00
|
|
|
.Sh NAME
|
|
|
|
.Nm pmc.soft
|
|
|
|
.Nd measurements using software based events
|
|
|
|
.Sh LIBRARY
|
|
|
|
.Lb libpmc
|
|
|
|
.Sh SYNOPSIS
|
|
|
|
.In pmc.h
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
Software events are used to collect various source of software events.
|
|
|
|
.Ss PMC Features
|
|
|
|
16 sampling counters using software events based on various sources.
|
|
|
|
These PMCs support the following capabilities:
|
|
|
|
.Bl -column "PMC_CAP_INTERRUPT" "Support"
|
|
|
|
.It Em Capability Ta Em Support
|
|
|
|
.It PMC_CAP_CASCADE Ta \&No
|
|
|
|
.It PMC_CAP_EDGE Ta \&No
|
|
|
|
.It PMC_CAP_INTERRUPT Ta Yes
|
|
|
|
.It PMC_CAP_INVERT Ta \&No
|
|
|
|
.It PMC_CAP_READ Ta Yes
|
|
|
|
.It PMC_CAP_PRECISE Ta \&No
|
|
|
|
.It PMC_CAP_SYSTEM Ta Yes
|
|
|
|
.It PMC_CAP_TAGGING Ta \&No
|
|
|
|
.It PMC_CAP_THRESHOLD Ta \&No
|
|
|
|
.It PMC_CAP_USER Ta Yes
|
|
|
|
.It PMC_CAP_WRITE Ta Yes
|
|
|
|
.El
|
|
|
|
.Ss Event Qualifiers
|
|
|
|
There is no supported event qualifier.
|
|
|
|
.Pp
|
|
|
|
The event specifiers supported by software are:
|
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Li CLOCK.HARD
|
|
|
|
Hard clock ticks.
|
|
|
|
.It Li CLOCK.STAT
|
|
|
|
Stat clock ticks.
|
|
|
|
.It Li LOCK.FAILED
|
|
|
|
Lock acquisition failed.
|
|
|
|
.It Li PAGE_FAULT.ALL
|
|
|
|
All page fault type.
|
|
|
|
.It Li PAGE_FAULT.READ
|
|
|
|
Read page fault.
|
|
|
|
.It Li PAGE_FAULT.WRITE
|
|
|
|
Write page fault.
|
|
|
|
.El
|
|
|
|
.Sh SEE ALSO
|
|
|
|
.Xr pmc 3 ,
|
|
|
|
.Xr pmc.atom 3 ,
|
|
|
|
.Xr pmc.core 3 ,
|
|
|
|
.Xr pmc.iaf 3 ,
|
|
|
|
.Xr pmc.ucf 3 ,
|
|
|
|
.Xr pmc.k7 3 ,
|
|
|
|
.Xr pmc.k8 3 ,
|
|
|
|
.Xr pmc.p4 3 ,
|
|
|
|
.Xr pmc.p5 3 ,
|
|
|
|
.Xr pmc.p6 3 ,
|
|
|
|
.Xr pmc.corei7 3 ,
|
|
|
|
.Xr pmc.corei7uc 3 ,
|
|
|
|
.Xr pmc.westmereuc 3 ,
|
|
|
|
.Xr pmc.tsc 3 ,
|
|
|
|
.Xr pmc_cpuinfo 3 ,
|
|
|
|
.Xr pmclog 3 ,
|
|
|
|
.Xr hwpmc 4
|
|
|
|
.Sh HISTORY
|
|
|
|
The
|
|
|
|
.Nm pmc
|
|
|
|
library first appeared in
|
|
|
|
.Fx 6.0 .
|
|
|
|
.Sh AUTHORS
|
|
|
|
The
|
|
|
|
.Lb libpmc
|
|
|
|
library was written by
|
|
|
|
.An "Joseph Koshy"
|
|
|
|
.Aq jkoshy@FreeBSD.org .
|
|
|
|
Software PMC was written by
|
|
|
|
.An "Fabien Thomas"
|
|
|
|
.Aq fabient@FreeBSD.org .
|