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commands/spinlock/spinlock.cif
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Wed, 23 Jun 2010 15:52:26 +0100
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# spinlock.cif
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#
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# Copyright (c) 2010 Accenture. All rights reserved.
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# This component and the accompanying materials are made available
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# under the terms of the "Eclipse Public License v1.0"
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# which accompanies this distribution, and is available
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# at the URL "http://www.eclipse.org/legal/epl-v10.html".
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#
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# Initial Contributors:
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# Accenture - Initial contribution
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#
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==name spinlock













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==short-description













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Consumes CPU cycles up to the loading you specify.













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==long-description













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Press CTRL-C or use the C<--duration> option to stop it.













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==see-also













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L<sleep|sleep>













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==argument int load optional













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The amount of CPU to consume. This number is the same order of magnitude as a percentage, but it isn't calibrated that precisely. So a number less than 10 generally produces a CPU load of a few percent, a value in the hundreds will generally max the CPU out. If omitted it will spin as fast as possible with no attempt at calibration.













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==option int s start-after













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Wait this number of seconds before starting to consume CPU. If not specified start immediately.













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==option int d duration













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Run for this number of seconds. If not specifed run indefinitely.













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==option int p priority













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Run the spinloop at this kernel priority. If not specified, use default priority 12 (C<EPriorityForeground+EPriorityNormal>).













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==copyright













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Copyright (c) 2008-2010 Accenture. All rights reserved.













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MCL/sf/os/fshell