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Diffstat (limited to 'doc/coreutils.texi')
| -rw-r--r-- | doc/coreutils.texi | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index 227014cd4..3fc3a52ca 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -84,6 +84,7 @@ * nice: (coreutils)nice invocation. Modify niceness. * nl: (coreutils)nl invocation. Number lines and write files. * nohup: (coreutils)nohup invocation. Immunize to hangups. +* nproc: (coreutils)nproc invocation. Print the number of processors. * od: (coreutils)od invocation. Dump files in octal, etc. * paste: (coreutils)paste invocation. Merge lines of files. * pathchk: (coreutils)pathchk invocation. Check file name portability. @@ -410,6 +411,7 @@ System context * arch invocation:: Print machine hardware name * date invocation:: Print or set system date and time +* nproc invocation:: Print the number of processors * uname invocation:: Print system information * hostname invocation:: Print or set system name * hostid invocation:: Print numeric host identifier @@ -13407,6 +13409,7 @@ information. @menu * date invocation:: Print or set system date and time. * arch invocation:: Print machine hardware name. +* nproc invocation:: Print the number of processors. * uname invocation:: Print system information. * hostname invocation:: Print or set system name. * hostid invocation:: Print numeric host identifier. @@ -14066,6 +14069,43 @@ The program accepts the @ref{Common options} only. @exitstatus +@node nproc invocation +@section @command{nproc}: Print the number of available processors + +@pindex nproc +@cindex Print the number of processors +@cindex system information, printing + +Print the number of processing units available to the current process, +which may be less than the number of online processors. +If this information is not accessible, then print the number of +processors installed. If the @env{OMP_NUM_THREADS} environment variable is +set, then it will determine the returned value. The result is guaranteed to be +greater than zero. Synopsis: + +@example +nproc [@var{option}] +@end example + +The program accepts the following options. Also see @ref{Common options}. + +@table @samp + +@item --all +@opindex --all +Print the number of installed processors on the system, which may +be greater than the number online or available to the current process. +The @env{OMP_NUM_THREADS} environment variable is not honored in this case. + +@item --ignore=@var{number} +@opindex --ignore +If possible, exclude this @var{number} of processing units. + +@end table + +@exitstatus + + @node uname invocation @section @command{uname}: Print system information |