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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Zack Weinberg <zweinberg@mozilla.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "jsperf.h"
namespace JS {
PerfMeasurement::PerfMeasurement(PerfMeasurement::EventMask)
: impl(0),
eventsMeasured(EventMask(0)),
cpu_cycles(-1),
instructions(-1),
cache_references(-1),
cache_misses(-1),
branch_instructions(-1),
branch_misses(-1),
bus_cycles(-1),
page_faults(-1),
major_page_faults(-1),
context_switches(-1),
cpu_migrations(-1)
{
}
PerfMeasurement::~PerfMeasurement()
{
}
void
PerfMeasurement::start()
{
}
void
PerfMeasurement::stop()
{
}
void
PerfMeasurement::reset()
{
cpu_cycles = -1;
instructions = -1;
cache_references = -1;
cache_misses = -1;
branch_instructions = -1;
branch_misses = -1;
bus_cycles = -1;
page_faults = -1;
major_page_faults = -1;
context_switches = -1;
cpu_migrations = -1;
}
bool
PerfMeasurement::canMeasureSomething()
{
return false;
}
} // namespace JS
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