| .\" shepherd(1) manpage |
| .\" |
| .\" Copyright (C) 2017 Len Brown |
| .\" |
| .\" Released under GPLv2 |
| .\" |
| .TH SHEPHERD 8 "May 2017" "util-linux" "User Commands" |
| .SH NAME |
| shepherd \- ScHEduler helPER Daemon |
| .SH SYNOPSIS |
| .B shepherd |
| [options] |
| .IR command\ [ argument ...] |
| .br |
| .B shepherd |
| [options] |
| .SH DESCRIPTION |
| .PP |
| .B shepherd |
| implements system-wide power-aware scheduling from a user-space daemon, using |
| the thread affinity. |
| .SH OPTIONS |
| .BR \-d ,\ \-\-debug |
| Enable verbose debugging output, repeat for even more... |
| .TP |
| .TP |
| .BR \-h ,\ \-\-help |
| Display version and help text and exit. |
| .SH USAGE |
| .TP |
| Shepherd will fork into a daemon, unless invoked with --debug. |
| .B shepherd |
| .IR command\ [ arguments ] |
| .TP |
| You can also retrieve the CPU affinity of an existing task: |
| .B shepherd \-p |
| .I pid |
| .TP |
| Or set it: |
| .B shepherd \-p |
| .SH PERMISSIONS |
| shepherd must run as root. |
| .SH EXIT VALUE |
| 0 for success, non-zero for failure. |
| .SH NOTES |
| .pp |
| .SH SEE ALSO |
| .BR taskset (1), |
| .BR sched_setaffinity (2), |
| .BR sched_getaffinity (2) |
| .sp |
| See |
| .SH AUTHOR |
| Written by Len Brown |
| .SH COPYRIGHT |
| Copyright \(co 2017 Len Brown, Intel Corp. |
| This is free software; see the source for copying conditions. There is NO |
| warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| .SH AVAILABILITY |
| The shepherd command is part of the util-linux package and is available from |
| ftp://ftp.kernel.org/pub/linux/utils/util-linux/. |
