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📁 ..
📄 Makefile(2.99 KB)
📄 Makefile.depend(328 B)
📄 Makefile.inc(23 B)
📄 libpmc.c(45.32 KB)
📄 libpmc_json.cc(10.49 KB)
📄 libpmc_pmu_util.c(16.04 KB)
📄 libpmcinternal.h(1.57 KB)
📄 pmc.3(16.06 KB)
📄 pmc.atom.3(35.63 KB)
📄 pmc.atomsilvermont.3(17.37 KB)
📄 pmc.core.3(23.71 KB)
📄 pmc.core2.3(33.34 KB)
📄 pmc.corei7.3(62.56 KB)
📄 pmc.corei7uc.3(37.93 KB)
📄 pmc.h(4.51 KB)
📄 pmc.haswell.3(31.08 KB)
📄 pmc.haswelluc.3(7.58 KB)
📄 pmc.haswellxeon.3(31.13 KB)
📄 pmc.iaf.3(4.45 KB)
📄 pmc.ivybridge.3(29.95 KB)
📄 pmc.ivybridgexeon.3(31.21 KB)
📄 pmc.k7.3(7.3 KB)
📄 pmc.k8.3(22.46 KB)
📄 pmc.mips24k.3(14.28 KB)
📄 pmc.octeon.3(6.48 KB)
📄 pmc.p4.3(31.12 KB)
📄 pmc.p5.3(16.94 KB)
📄 pmc.p6.3(31.13 KB)
📄 pmc.sandybridge.3(33.13 KB)
📄 pmc.sandybridgeuc.3(7.92 KB)
📄 pmc.sandybridgexeon.3(33.03 KB)
📄 pmc.soft.3(3.02 KB)
📄 pmc.tsc.3(2.47 KB)
📄 pmc.ucf.3(3.48 KB)
📄 pmc.westmere.3(52.89 KB)
📄 pmc.westmereuc.3(46.26 KB)
📄 pmc_allocate.3(5.14 KB)
📄 pmc_attach.3(4.15 KB)
📄 pmc_capabilities.3(6.05 KB)
📄 pmc_configure_logfile.3(3.56 KB)
📄 pmc_disable.3(3.04 KB)
📄 pmc_event_names_of_class.3(2.4 KB)
📄 pmc_get_driver_stats.3(2.54 KB)
📄 pmc_get_msr.3(2.6 KB)
📄 pmc_init.3(2.04 KB)
📄 pmc_name_of_capability.3(3.99 KB)
📄 pmc_read.3(2.63 KB)
📄 pmc_set.3(2.4 KB)
📄 pmc_start.3(2.42 KB)
📄 pmcformat.h(1.47 KB)
📄 pmclog.3(8.7 KB)
📄 pmclog.c(15.57 KB)
📄 pmclog.h(5.74 KB)
📁 pmu-events

Editing: pmc.tsc.3

.\" Copyright (c) 2003-2008 Joseph Koshy.  All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd October 4, 2008
.Dt PMC.TSC 3
.Os
.Sh NAME
.Nm pmc.tsc
.Nd measurements using the i386 timestamp counter
.Sh LIBRARY
.Lb libpmc
.Sh SYNOPSIS
.In pmc.h
.Sh DESCRIPTION
In the i386 architecture, the timestamp counter is a monotonically
non-decreasing counter that counts processor cycles.
.Pp
This counter may be selected specifying an event specifier
.Dq Li tsc
to
.Xr pmc_allocate 3 .
The TSC is a read-only counter that may only be allocated in
system-wide counting mode.
The
.Dq Li tsc
event does not support further event qualifiers.
.Pp
Multiple processes are allowed to allocate the TSC.
Once allocated, the TSC may be read using the
.Fn pmc_read
function, or by using the
.Li RDTSC
instruction.
.Ss Event Name Aliases
The alias
.Dq Li cycles
maps to the TSC.
.Sh SEE ALSO
.Xr pmc 3 ,
.Xr pmc.atom 3 ,
.Xr pmc.core 3 ,
.Xr pmc.core2 3 ,
.Xr pmc.iaf 3 ,
.Xr pmc.k7 3 ,
.Xr pmc.k8 3 ,
.Xr pmc.p4 3 ,
.Xr pmc.p5 3 ,
.Xr pmc.p6 3 ,
.Xr pmc.soft 3 ,
.Xr pmclog 3 ,
.Xr hwpmc 4
.Sh HISTORY
The
.Nm pmc
library first appeared in
.Fx 6.0 .
.Sh AUTHORS
The
.Lb libpmc
library was written by
.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org .

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