This program prints the number of CPU threads it can run on, while respecting cpusets (or not, depending on switches). It aims to be compatible with nproc as found in GNU coreutils. Reviewed by: des Reviewed by: pstef Differential Revision: https://reviews.freebsd.org/D38386
55 lines
1.1 KiB
Groff
55 lines
1.1 KiB
Groff
.\"-
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.\" * Copyright (c) 2023 Piotr Paweł Stefaniak
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.\"
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.\" * SPDX-License-Identifier: BSD-2-Clause
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.\"
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.Dd February 5, 2023
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.Dt NPROC 1
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.Os
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.Sh NAME
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.Nm nproc
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.Nd print the number of processors
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.Sh SYNOPSIS
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.Nm
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.Op Fl -all
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.Op Fl -ignore Ns = Ns Ar count
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.Nm Fl -help
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.Nm Fl -version
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.Sh DESCRIPTION
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The
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.Nm
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utility is used to print the number of processors limited to the
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.Xr cpuset 2
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of the current process, unless the
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.Fl -all
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flag is specified.
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.Pp
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The available flags are:
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.Bl -tag -width Ds
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.It Fl -all
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Count all processors currently online.
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.It Fl -ignore Ns = Ns Ar count
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The result is decreased by
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.Ar count ,
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but never below 1.
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.It Fl -version
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Print the current program version and exit. Don't use this option.
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.It Fl -help
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Print usage information and exit.
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.El
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.Sh COMPATIBILITY
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This program is intended to be compatible with nproc as found in GNU coreutils.
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.Sh SEE ALSO
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.Xr cpuset 1
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Fx 14.0 .
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.Sh AUTHORS
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.An -nosplit
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.An Mateusz Guzik Aq Mt mjg@FreeBSD.org
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wrote the program and
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.An Piotr Paweł Stefaniak Aq Mt pstef@FreeBSD.org
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wrote this page.
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