PMC.SOFT(3)            FreeBSD Library Functions Manual            PMC.SOFT(3)

NAME
     pmc.soft - measurements using software based events

LIBRARY
     Performance Counters Library (libpmc, -lpmc)

SYNOPSIS
     #include <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.corei7(3), pmc.corei7uc(3),
     pmc.iaf(3), pmc.k7(3), pmc.k8(3), pmc.tsc(3), pmc.ucf(3),
     pmc.westmereuc(3), pmc_cpuinfo(3), pmclog(3), hwpmc(4)

HISTORY
     The pmc library first appeared in FreeBSD 6.0.

AUTHORS
     The Performance Counters Library (libpmc, -lpmc) library was written by
     Joseph Koshy <jkoshy@FreeBSD.org>.  Software PMC was written by Fabien
     Thomas <fabient@FreeBSD.org>.

FreeBSD 13.1-RELEASE-p6        February 26, 2013       FreeBSD 13.1-RELEASE-p6