author | Jussi Ryoma <ext-jussi.s.ryoma@nokia.com> |
Tue, 24 Aug 2010 14:01:48 +0300 | |
changeset 16 | 72f198be1c1d |
parent 12 | ae255c9aa552 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* 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 License "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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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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package com.nokia.carbide.cpp.pi.peccommon; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.List; |
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import java.util.Vector; |
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import com.nokia.carbide.cpp.internal.pi.model.GenericSample; |
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import com.nokia.carbide.cpp.internal.pi.model.GenericSampledTrace; |
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import com.nokia.carbide.cpp.internal.pi.model.ICPUScale; |
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/** |
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* The model class for Performance Counter traces. This manages the data |
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* for the IPC trace graphs, and is responsible for creating the graphs. |
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*/ |
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public class PecCommonTrace extends GenericSampledTrace implements ICPUScale{ |
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private static final long serialVersionUID = 4425739452429422333L; |
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private int samplingInterval; |
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/** |
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* hold the event types which have been traced |
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*/ |
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private String[] valueTypes; |
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// the following is needed for calculations for the legend (depend on |
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// selected area). We keep it here since the selected area is the same for all graphs. |
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// If this assumption ever changes, the calculations need to be moved into |
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// the LegendContentProvider |
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private double selectionStart; |
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private double selectionEnd; |
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private transient boolean needsRecalc; |
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private int cpuClockRate; |
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private transient PecCommonLegendElement[] legendElements; |
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/** |
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* Constructor |
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*/ |
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public PecCommonTrace() { |
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super(); |
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selectionStart = -1; |
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selectionEnd = -1; |
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needsRecalc = true; |
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} |
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/** |
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* Set the event types present in the interconnect performance counter trace. |
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* @param valueTypes the event types to set |
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*/ |
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public void setValueTypes(String[] valueTypes) { |
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this.valueTypes = valueTypes; |
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} |
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/** |
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* Get the event types present in the interconnect performance counter trace. |
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* @return the event types present in the trace |
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*/ |
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public String[] getValueTypes() { |
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return valueTypes; |
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} |
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/** |
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* @return the sampling interval in milliseconds |
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*/ |
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public int getSamplingInterval() { |
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return samplingInterval; |
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} |
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/** |
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* Setter for the sampling interval in milliseconds |
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* @param samplingInterval the sampling interval to set |
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*/ |
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public void setSamplingInterval(int samplingInterval) { |
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this.samplingInterval = samplingInterval; |
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} |
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/** |
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* Callback for PIEvent.SELECTION_AREA_CHANGED |
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* @param newStart new selection start |
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* @param newEnd new selection end |
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*/ |
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public void selectionAreaChanged(double newStart, double newEnd) { |
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if (newStart != selectionStart || newEnd != selectionEnd){ |
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selectionStart = newStart; |
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selectionEnd = newEnd; |
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needsRecalc = true; |
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108 |
} |
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109 |
} |
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110 |
|
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111 |
/** |
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112 |
* @return the legendElements |
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113 |
*/ |
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114 |
public PecCommonLegendElement[] getLegendElements() { |
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115 |
if (needsRecalc || legendElements == null){ |
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needsRecalc = false; |
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calculateValues(); |
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118 |
} |
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119 |
return legendElements; |
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120 |
} |
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121 |
|
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122 |
/** |
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123 |
* calculates values for the legend depending on the selected time frame |
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124 |
*/ |
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125 |
private void calculateValues() { |
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int c = this.valueTypes.length; |
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int[] cnts = new int[c]; |
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long[] sums = new long[c]; |
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int[] mins = new int[c]; |
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int[] maxs = new int[c]; |
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131 |
|
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132 |
if (selectionStart >= 0 && selectionEnd >= 0){ |
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133 |
|
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Arrays.fill(mins, Integer.MAX_VALUE); |
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Arrays.fill(maxs, Integer.MIN_VALUE); |
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136 |
|
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int start = (int) ((selectionStart + 0.5f)); |
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int end = (int) ((selectionEnd + 0.5f)); |
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139 |
|
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140 |
Vector<GenericSample> selectedSamples = this.getSamplesInsideTimePeriod(start, end); |
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141 |
|
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142 |
for (GenericSample genericSample : selectedSamples) { |
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PecCommonSample sample = (PecCommonSample)genericSample; |
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144 |
|
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145 |
//average, sum, min, max |
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146 |
for (int i = 0; i < sample.values.length; i++) { |
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147 |
int value = sample.values[i]; |
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148 |
|
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149 |
cnts[i] ++; |
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sums[i] += value; |
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151 |
if (value < mins[i]){ |
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mins[i] = value; |
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153 |
} |
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154 |
if (value > maxs[i]){ |
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155 |
maxs[i] = value; |
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156 |
} |
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157 |
} |
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158 |
} |
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159 |
} |
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160 |
|
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161 |
legendElements = createLegendElements(legendElements, this.valueTypes, cnts, sums, mins, maxs); |
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162 |
} |
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163 |
|
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164 |
/** |
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165 |
* Creates or updates all legend elements |
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166 |
* @param existingElements Existing elements, if they need updating. If null, new elements are to be created. |
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167 |
* @param typeStrings Array of all trace event strings present in the trace |
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168 |
* @param cnts Array of all count values (one per graph) |
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169 |
* @param sums Array of all sum values (one per graph) |
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170 |
* @param mins Array of all minimum values (one per graph) |
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171 |
* @param maxs Array of all maximum values (one per graph) |
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172 |
* @return Array of legend elements created or updated |
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173 |
*/ |
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174 |
protected PecCommonLegendElement[] createLegendElements(PecCommonLegendElement[] existingElements, String[] typeStrings, int[] cnts, |
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175 |
long[] sums, int[] mins, int[] maxs) { |
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176 |
|
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177 |
int c = typeStrings.length; |
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178 |
boolean create = existingElements == null; |
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179 |
PecCommonLegendElement[] les = create ? new PecCommonLegendElement[c] : existingElements; |
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180 |
char shortTitle = 'A'; |
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181 |
|
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182 |
for (int i = 0; i < c; i++) { |
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183 |
|
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184 |
PecCommonLegendElement legendElement = create ? new PecCommonLegendElement(i, typeStrings[i], shortTitle, false) : existingElements[i]; |
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185 |
legendElement.setCnt(cnts[i]); |
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186 |
legendElement.setSum(sums[i]); |
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187 |
legendElement.setMax(maxs[i]); |
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188 |
legendElement.setMin(mins[i]); |
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189 |
les[i] = legendElement; |
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190 |
shortTitle ++; |
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191 |
} |
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192 |
return les; |
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193 |
} |
12
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194 |
|
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195 |
|
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196 |
/* |
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197 |
* (non-Javadoc) |
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198 |
* @see com.nokia.carbide.cpp.internal.pi.model.ICPUScale#calculateScale(int) |
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199 |
*/ |
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200 |
public float calculateScale(int sampleSynchTime) { |
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201 |
if (cpuClockRate <= 0) { |
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202 |
return 1; |
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203 |
} |
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204 |
GenericSample genericSample = null; |
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205 |
if((samples.size() - 1) >= sampleSynchTime){ |
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206 |
genericSample = samples.get(sampleSynchTime); |
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207 |
}else{ |
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208 |
genericSample = samples.lastElement(); |
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209 |
} |
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210 |
if (genericSample instanceof PecCommonSample) { |
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211 |
int[] values = ((PecCommonSample) genericSample).values; |
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212 |
return (float) values[4] / cpuClockRate; |
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} |
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return 1; |
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|
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} |
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|
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/* |
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* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.internal.pi.model.ICPUScale#calculateScale(int, int) |
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*/ |
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public float calculateScale(int startSynchTime, int endSynchTime) { |
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if (cpuClockRate <= 0) { |
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return 1; |
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} |
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if(startSynchTime > endSynchTime){ |
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return 1; |
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} |
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List<Float> sampleList = new ArrayList<Float>(); |
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while(startSynchTime <= endSynchTime ){ |
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GenericSample genericSample = null; |
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if((samples.size() - 1) >= endSynchTime){ |
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genericSample = samples.get(endSynchTime); |
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}else{ |
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genericSample = samples.lastElement(); |
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} |
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if (genericSample instanceof PecCommonSample) { |
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int[] values = ((PecCommonSample) genericSample).values; |
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float cpuSampleClockRate = (float) values[4] / cpuClockRate; |
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sampleList.add(cpuSampleClockRate); |
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} |
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startSynchTime += 100; |
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} |
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if(sampleList.size() > 0){ |
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float sum = 0; |
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for(float value : sampleList){ |
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sum += value; |
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} |
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return sum / sampleList.size(); |
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}else{ |
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return 1; |
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} |
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} |
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|
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/** |
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* @param cpuClockRate the cpuClockRate to set |
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*/ |
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public void setCpuClockRate(int cpuClockRate) { |
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this.cpuClockRate = cpuClockRate; |
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} |
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|
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/* |
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* (non-Javadoc) |
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* @see com.nokia.carbide.cpp.internal.pi.model.ICPUScale#isCpuScaleSupported() |
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*/ |
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public boolean isCpuScaleSupported(){ |
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if(cpuClockRate > 0){ |
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return true; |
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}else{ |
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return false; |
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} |
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} |
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|
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|
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} |