.\" Copyright (c) 2012 Fabien Thomas.  All rights reserved.
.\"
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.\" $FreeBSD: head/lib/libpmc/pmc.soft.3 276657 2015-01-04 12:38:00Z joel $
.\"
.Dd February 26, 2013
.Dt PMC.SOFT 3
.Os
.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 CLOCK.PROF
Profiling 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.corei7 3 ,
.Xr pmc.corei7uc 3 ,
.Xr pmc.iaf 3 ,
.Xr pmc.k7 3 ,
.Xr pmc.k8 3 ,
.Xr pmc.p4 3 ,
.Xr pmc.p5 3 ,
.Xr pmc.p6 3 ,
.Xr pmc.tsc 3 ,
.Xr pmc.ucf 3 ,
.Xr pmc.westmereuc 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
.An -nosplit
The
.Lb libpmc
library was written by
.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org .
Software PMC was written by
.An Fabien Thomas Aq Mt fabient@FreeBSD.org .