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Man Pages


Manual Reference Pages  -  PMC.SOFT (3)

NAME

pmc.soft - measurements using software based events

CONTENTS

Library
Synopsis
Description
     PMC Features
     Event Qualifiers
See Also
History
Authors

LIBRARY


.Lb libpmc

SYNOPSIS


.In pmc.h

DESCRIPTION

Software events are used to collect various source of software events.

    PMC Features

16 sampling counters using software events based on various sources. These PMCs support the following capabilities:
Capability      Support
PMC_CAP_CASCADE      No
PMC_CAP_EDGE      No
PMC_CAP_INTERRUPT      Yes
PMC_CAP_INVERT      No
PMC_CAP_READ      Yes
PMC_CAP_PRECISE      No
PMC_CAP_SYSTEM      Yes
PMC_CAP_TAGGING      No
PMC_CAP_THRESHOLD      No
PMC_CAP_USER      Yes
PMC_CAP_WRITE      Yes
 

    Event Qualifiers

There is no supported event qualifier.

The event specifiers supported by software are:
CLOCK.HARD
  Hard clock ticks.
CLOCK.STAT
  Stat clock ticks.
CLOCK.PROF
  Profiling clock ticks.
LOCK.FAILED
  Lock acquisition failed.
PAGE_FAULT.ALL
  All page fault type.
PAGE_FAULT.READ
  Read page fault.
PAGE_FAULT.WRITE
  Write page fault.

SEE ALSO

pmc(3), pmc.atom(3), pmc.core(3), pmc.iaf(3), pmc.ucf(3), pmc.k7(3), pmc.k8(3), pmc.p4(3), pmc.p5(3), pmc.p6(3), pmc.corei7(3), pmc.corei7uc(3), pmc.westmereuc(3), pmc.tsc(3), pmc_cpuinfo(3), pmclog(3), hwpmc(4)

HISTORY

The pmc library first appeared in
.Fx 6.0 .

AUTHORS

The
.Lb libpmc library was written by
.An Joseph Koshy <jkoshy@FreeBSD.org>. Software PMC was written by
.An Fabien Thomas <fabient@FreeBSD.org>.
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