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114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Benoit Girard <bgirard@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <string>
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#ifdef MOZ_INSTRUMENT_EVENT_LOOP
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#include "EventTracer.h"
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#endif
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#include "sampler.h"
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#include "nsProfiler.h"
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#include "nsMemory.h"
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using std::string;
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NS_IMPL_ISUPPORTS1(nsProfiler, nsIProfiler)
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nsProfiler::nsProfiler()
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{
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}
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NS_IMETHODIMP
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nsProfiler::StartProfiler(PRUint32 aInterval, PRUint32 aEntries)
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{
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SAMPLER_START(aInterval, aEntries);
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#ifdef MOZ_INSTRUMENT_EVENT_LOOP
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mozilla::InitEventTracing();
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#endif
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProfiler::StopProfiler()
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{
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SAMPLER_STOP();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProfiler::GetProfile(char **aProfile)
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{
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char *profile = SAMPLER_GET_PROFILE();
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if (profile) {
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PRUint32 len = strlen(profile);
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char *profileStr = static_cast<char *>
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(nsMemory::Clone(profile, (len + 1) * sizeof(char)));
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profileStr[len] = '\0';
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*aProfile = profileStr;
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free(profile);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProfiler::IsActive(bool *aIsActive)
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{
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*aIsActive = SAMPLER_IS_ACTIVE();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsProfiler::GetResponsivenessTimes(PRUint32 *aCount, float **aResult)
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{
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unsigned int len = 100;
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const float* times = SAMPLER_GET_RESPONSIVENESS();
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if (!times) {
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*aCount = 0;
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*aResult = nsnull;
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return NS_OK;
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}
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float *fs = static_cast<float *>
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(nsMemory::Clone(times, len * sizeof(float)));
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*aCount = len;
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*aResult = fs;
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return NS_OK;
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}
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