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b293497146
This is the first step in recognizing that the K8 microarchitecture represents a small and aged subset of AMD CPUs supported by this class. Future changes will update the code and documentation details to better reflect this. Keep the old filename as an alias. Reviewed by: jkoshy MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D41279
112 lines
3.3 KiB
Groff
112 lines
3.3 KiB
Groff
.\" Copyright (c) 2012 Fabien Thomas. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd September 23, 2021
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.Dt PMC.SOFT 3
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.Os
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.Sh NAME
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.Nm pmc.soft
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.Nd measurements using software based events
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.Sh LIBRARY
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.Lb libpmc
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.Sh SYNOPSIS
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.In pmc.h
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.Sh DESCRIPTION
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Software events are used to collect various source of software events.
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.Ss PMC Features
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16 sampling counters using software events based on various sources.
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These PMCs support the following capabilities:
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.Bl -column "PMC_CAP_INTERRUPT" "Support"
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.It Em Capability Ta Em Support
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.It PMC_CAP_CASCADE Ta \&No
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.It PMC_CAP_EDGE Ta \&No
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.It PMC_CAP_INTERRUPT Ta Yes
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.It PMC_CAP_INVERT Ta \&No
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.It PMC_CAP_READ Ta Yes
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.It PMC_CAP_PRECISE Ta \&No
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.It PMC_CAP_SYSTEM Ta Yes
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.It PMC_CAP_TAGGING Ta \&No
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.It PMC_CAP_THRESHOLD Ta \&No
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.It PMC_CAP_USER Ta Yes
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.It PMC_CAP_WRITE Ta Yes
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.El
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.Ss Event Qualifiers
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There is no supported event qualifier.
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.Pp
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The event specifiers supported by software are:
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.Bl -tag -width indent
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.It Li CLOCK.HARD
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Hard clock ticks.
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.It Li CLOCK.STAT
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Stat clock ticks.
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.It Li CLOCK.PROF
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Profiling clock ticks.
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.It Li INTR.ALL
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Interrupt filter executed
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.It Li INTR.FILTER
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Interrupt filter returned FILTER_HANDLED.
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.It Li INTR.ITHREAD
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Interrupt filter returned FILTER_SCHEDULE_ITHREAD.
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.It Li INTR.SCHEDULE
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Ithread scheduled.
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.It Li INTR.STRAY
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Interrupt filter returned FILTER_STRAY.
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.It Li INTR.WAITING
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Ithread not scheduled, already active.
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.It Li LOCK.FAILED
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Lock acquisition failed.
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.It Li PAGE_FAULT.ALL
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All page fault type.
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.It Li PAGE_FAULT.READ
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Read page fault.
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.It Li PAGE_FAULT.WRITE
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Write page fault.
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.El
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.Sh SEE ALSO
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.Xr pmc 3 ,
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.Xr pmc.amd 3 ,
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.Xr pmc.atom 3 ,
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.Xr pmc.core 3 ,
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.Xr pmc.corei7 3 ,
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.Xr pmc.corei7uc 3 ,
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.Xr pmc.iaf 3 ,
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.Xr pmc.tsc 3 ,
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.Xr pmc.ucf 3 ,
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.Xr pmc.westmereuc 3 ,
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.Xr pmc_cpuinfo 3 ,
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.Xr pmclog 3 ,
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.Xr hwpmc 4
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.Sh HISTORY
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The
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.Nm pmc
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library first appeared in
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.Fx 6.0 .
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.Sh AUTHORS
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.An -nosplit
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The
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.Lb libpmc
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library was written by
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.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org .
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Software PMC was written by
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.An Fabien Thomas Aq Mt fabient@FreeBSD.org .
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