xref: /freebsd/lib/libpmc/pmc.soft.3 (revision e8643b01e6312a56d1e44a760fb4e95f0b10b54c)
1.\" Copyright (c) 2012 Fabien Thomas.  All rights reserved.
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24.\" $FreeBSD$
25.\"
26.Dd February 26, 2013
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 LOCK.FAILED
67Lock acquisition failed.
68.It Li PAGE_FAULT.ALL
69All page fault type.
70.It Li PAGE_FAULT.READ
71Read page fault.
72.It Li PAGE_FAULT.WRITE
73Write page fault.
74.El
75.Sh SEE ALSO
76.Xr pmc 3 ,
77.Xr pmc.atom 3 ,
78.Xr pmc.core 3 ,
79.Xr pmc.corei7 3 ,
80.Xr pmc.corei7uc 3 ,
81.Xr pmc.iaf 3 ,
82.Xr pmc.k7 3 ,
83.Xr pmc.k8 3 ,
84.Xr pmc.p4 3 ,
85.Xr pmc.p5 3 ,
86.Xr pmc.p6 3 ,
87.Xr pmc.tsc 3 ,
88.Xr pmc.ucf 3 ,
89.Xr pmc.westmereuc 3 ,
90.Xr pmc_cpuinfo 3 ,
91.Xr pmclog 3 ,
92.Xr hwpmc 4
93.Sh HISTORY
94The
95.Nm pmc
96library first appeared in
97.Fx 6.0 .
98.Sh AUTHORS
99.An -nosplit
100The
101.Lb libpmc
102library was written by
103.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org .
104Software PMC was written by
105.An Fabien Thomas Aq Mt fabient@FreeBSD.org .
106