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.Dd September 23, 2021 25.Dt PMC.SOFT 3 26.Os 27.Sh NAME 28.Nm pmc.soft 29.Nd measurements using software based events 30.Sh LIBRARY 31.Lb libpmc 32.Sh SYNOPSIS 33.In pmc.h 34.Sh DESCRIPTION 35Software events are used to collect various source of software events. 36.Ss PMC Features 3716 sampling counters using software events based on various sources. 38These PMCs support the following capabilities: 39.Bl -column "PMC_CAP_INTERRUPT" "Support" 40.It Em Capability Ta Em Support 41.It PMC_CAP_CASCADE Ta \&No 42.It PMC_CAP_EDGE Ta \&No 43.It PMC_CAP_INTERRUPT Ta Yes 44.It PMC_CAP_INVERT Ta \&No 45.It PMC_CAP_READ Ta Yes 46.It PMC_CAP_PRECISE Ta \&No 47.It PMC_CAP_SYSTEM Ta Yes 48.It PMC_CAP_TAGGING Ta \&No 49.It PMC_CAP_THRESHOLD Ta \&No 50.It PMC_CAP_USER Ta Yes 51.It PMC_CAP_WRITE Ta Yes 52.El 53.Ss Event Qualifiers 54There is no supported event qualifier. 55.Pp 56The event specifiers supported by software are: 57.Bl -tag -width indent 58.It Li CLOCK.HARD 59Hard clock ticks. 60.It Li CLOCK.STAT 61Stat clock ticks. 62.It Li CLOCK.PROF 63Profiling clock ticks. 64.It Li INTR.ALL 65Interrupt filter executed 66.It Li INTR.FILTER 67Interrupt filter returned FILTER_HANDLED. 68.It Li INTR.ITHREAD 69Interrupt filter returned FILTER_SCHEDULE_ITHREAD. 70.It Li INTR.SCHEDULE 71Ithread scheduled. 72.It Li INTR.STRAY 73Interrupt filter returned FILTER_STRAY. 74.It Li INTR.WAITING 75Ithread not scheduled, already active. 76.It Li LOCK.FAILED 77Lock acquisition failed. 78.It Li PAGE_FAULT.ALL 79All page fault type. 80.It Li PAGE_FAULT.READ 81Read page fault. 82.It Li PAGE_FAULT.WRITE 83Write page fault. 84.El 85.Sh SEE ALSO 86.Xr pmc 3 , 87.Xr pmc.amd 3 , 88.Xr pmc.atom 3 , 89.Xr pmc.core 3 , 90.Xr pmc.corei7 3 , 91.Xr pmc.corei7uc 3 , 92.Xr pmc.iaf 3 , 93.Xr pmc.tsc 3 , 94.Xr pmc.ucf 3 , 95.Xr pmc.westmereuc 3 , 96.Xr pmc_cpuinfo 3 , 97.Xr pmclog 3 , 98.Xr hwpmc 4 99.Sh HISTORY 100The 101.Nm pmc 102library first appeared in 103.Fx 6.0 . 104.Sh AUTHORS 105.An -nosplit 106The 107.Lb libpmc 108library was written by 109.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org . 110Software PMC was written by 111.An Fabien Thomas Aq Mt fabient@FreeBSD.org . 112