1.\" Copyright (c) 2012 Fabien Thomas. All rights reserved. 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.\" $FreeBSD$ 25.\" 26.Dd September 23, 2021 27.Dt PMC.SOFT 3 28.Os 29.Sh NAME 30.Nm pmc.soft 31.Nd measurements using software based events 32.Sh LIBRARY 33.Lb libpmc 34.Sh SYNOPSIS 35.In pmc.h 36.Sh DESCRIPTION 37Software events are used to collect various source of software events. 38.Ss PMC Features 3916 sampling counters using software events based on various sources. 40These PMCs support the following capabilities: 41.Bl -column "PMC_CAP_INTERRUPT" "Support" 42.It Em Capability Ta Em Support 43.It PMC_CAP_CASCADE Ta \&No 44.It PMC_CAP_EDGE Ta \&No 45.It PMC_CAP_INTERRUPT Ta Yes 46.It PMC_CAP_INVERT Ta \&No 47.It PMC_CAP_READ Ta Yes 48.It PMC_CAP_PRECISE Ta \&No 49.It PMC_CAP_SYSTEM Ta Yes 50.It PMC_CAP_TAGGING Ta \&No 51.It PMC_CAP_THRESHOLD Ta \&No 52.It PMC_CAP_USER Ta Yes 53.It PMC_CAP_WRITE Ta Yes 54.El 55.Ss Event Qualifiers 56There is no supported event qualifier. 57.Pp 58The event specifiers supported by software are: 59.Bl -tag -width indent 60.It Li CLOCK.HARD 61Hard clock ticks. 62.It Li CLOCK.STAT 63Stat clock ticks. 64.It Li CLOCK.PROF 65Profiling clock ticks. 66.It Li INTR.ALL 67Interrupt filter executed 68.It Li INTR.FILTER 69Interrupt filter returned FILTER_HANDLED. 70.It Li INTR.ITHREAD 71Interrupt filter returned FILTER_SCHEDULE_ITHREAD. 72.It Li INTR.SCHEDULE 73Ithread scheduled. 74.It Li INTR.STRAY 75Interrupt filter returned FILTER_STRAY. 76.It Li INTR.WAITING 77Ithread not scheduled, already active. 78.It Li LOCK.FAILED 79Lock acquisition failed. 80.It Li PAGE_FAULT.ALL 81All page fault type. 82.It Li PAGE_FAULT.READ 83Read page fault. 84.It Li PAGE_FAULT.WRITE 85Write page fault. 86.El 87.Sh SEE ALSO 88.Xr pmc 3 , 89.Xr pmc.atom 3 , 90.Xr pmc.core 3 , 91.Xr pmc.corei7 3 , 92.Xr pmc.corei7uc 3 , 93.Xr pmc.iaf 3 , 94.Xr pmc.k7 3 , 95.Xr pmc.k8 3 , 96.Xr pmc.tsc 3 , 97.Xr pmc.ucf 3 , 98.Xr pmc.westmereuc 3 , 99.Xr pmc_cpuinfo 3 , 100.Xr pmclog 3 , 101.Xr hwpmc 4 102.Sh HISTORY 103The 104.Nm pmc 105library first appeared in 106.Fx 6.0 . 107.Sh AUTHORS 108.An -nosplit 109The 110.Lb libpmc 111library was written by 112.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org . 113Software PMC was written by 114.An Fabien Thomas Aq Mt fabient@FreeBSD.org . 115