commands/spinlock/spinlock.cif
author Tom Sutcliffe <thomas.sutcliffe@accenture.com>
Sun, 18 Jul 2010 18:57:41 +0100
changeset 36 99de8c43cede
parent 0 7f656887cf89
permissions -rw-r--r--
First cut of thread pools in fshell. Not fully working yet. Removed 4 overloads of CCommandBase::RunCommand[L] that are no longer used at all, and changed one more to not be exported as it's only used internally to iocli.dll. Added a thread pool (CThreadPool) to fshell so that thread commands no longer have to spawn a new thread every time they run. As part of this, CCommandWrapperBase now derives from CActive so that CThreadCommand can use its CActive-ness. CThreadCommand rejigged quite a bit to use CThreadPool (via MTaskRunner interface).

# spinlock.cif
# 
# Copyright (c) 2010 Accenture. All rights reserved.
# This component and the accompanying materials are made available
# under the terms of the "Eclipse Public License v1.0"
# which accompanies this distribution, and is available
# at the URL "http://www.eclipse.org/legal/epl-v10.html".
# 
# Initial Contributors:
# Accenture - Initial contribution
#

==name spinlock

==short-description

Consumes CPU cycles up to the loading you specify.

==long-description

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

==see-also

L<sleep|sleep>

==argument int load optional

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.

==option int s start-after

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

==option int d duration

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

==option int p priority

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

==copyright

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