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/*******************************************************************************
* Copyright (c) 2009 STMicroelectronics.
* All rights reserved. This program 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
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Xavier Raynaud <xavier.raynaud@st.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.gprof.view.fields;
import org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractSTDataViewersField;
import org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractSTTreeViewer;
import org.eclipse.linuxtools.dataviewers.charts.provider.IChartField;
import org.eclipse.linuxtools.gprof.parser.GmonDecoder;
import org.eclipse.linuxtools.gprof.parser.HistogramDecoder;
import org.eclipse.linuxtools.gprof.view.GmonView;
import org.eclipse.linuxtools.gprof.view.histogram.HistFile;
import org.eclipse.linuxtools.gprof.view.histogram.HistFunction;
import org.eclipse.linuxtools.gprof.view.histogram.HistLine;
import org.eclipse.linuxtools.gprof.view.histogram.HistRoot;
import org.eclipse.linuxtools.gprof.view.histogram.TreeElement;
import org.eclipse.swt.graphics.Color;
/**
* Column "Samples" of displayed elements
*
* @author Xavier Raynaud <xavier.raynaud@st.com>
*/
public class SampleProfField extends AbstractSTDataViewersField implements IChartField{
private boolean samples = true;
protected final AbstractSTTreeViewer viewer;
protected final static double UNINITIALIZED = 0;
/**
* Constructor
* @param viewer the gmon viewer
*/
public SampleProfField(AbstractSTTreeViewer viewer) {
this.viewer = viewer;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.ISTDataViewersField#compare(java.lang.Object, java.lang.Object)
*/
public int compare(Object obj1, Object obj2) {
TreeElement e1 = (TreeElement) obj1;
TreeElement e2 = (TreeElement) obj2;
int s1 = e1.getSamples();
int s2 = e2.getSamples();
return s1 - s2;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.ISTDataViewersField#getColumnHeaderText()
*/
public String getColumnHeaderText() {
String prefix = "";
Object o = viewer.getInput();
if (o instanceof GmonDecoder) {
GmonDecoder decoder = (GmonDecoder) o;
if (decoder.isICache()) {
prefix = "ICACHE ";
} else if (decoder.isDCache()) {
prefix = "DCACHE ";
}
}
if (samples) return prefix + "Samples";
return prefix + "Time";
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractSTDataViewersField#getColumnHeaderTooltip()
*/
public String getColumnHeaderTooltip() {
Object o = viewer.getInput();
if (o instanceof GmonDecoder) {
GmonDecoder decoder = (GmonDecoder) o;
if (decoder.isICache()) {
return "Time spent by function accessing instruction cache";
} else if (decoder.isDCache()) {
return "Time spent by function accessing data cache";
}
}
return null;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.ISTDataViewersField#getValue(java.lang.Object)
*/
public String getValue(Object obj) {
TreeElement e = (TreeElement) obj;
int i = e.getSamples();
if (i == -1) return "";
if (samples) {
return String.valueOf(i);
} else {
double prof_rate = getProfRate();
if (prof_rate == UNINITIALIZED) return "?";
return getValue(i, prof_rate);
}
}
/**
* Get the time value with the best unit display
* @param i nbr of samples
* @param prof_rate profiling frequency
* @return time value with the best adapted time unit
*/
public static String getValue(double i, double prof_rate)
{
long timeInNs = (long) (i/prof_rate);
long ns = timeInNs%1000;
long timeInUs = timeInNs/1000;
if (timeInUs == 0) return ns + "ns";
long us = timeInUs%1000;
long timeInMs = timeInUs/1000;
if (timeInMs == 0) {
String ns_s = "" + ns;
while (ns_s.length() < 3) ns_s = "0" + ns_s;
return us + "." + ns_s + "us";
}
long ms = timeInMs%1000;
long timeInS = timeInMs/1000;
if (timeInS == 0) {
String us_s = "" + us;
while (us_s.length() < 3) us_s = "0" + us_s;
return ms + "." + us_s + "ms";
}
long s = timeInS%60;
long timeInMin = timeInS/60;
if (timeInMin == 0) {
String ms_s = "" + ms;
while (ms_s.length() < 3) ms_s = "0" + ms_s;
return s + "." + ms_s + "s";
}
long min = timeInMin%60;
long timeInHour = timeInMin/60;
if (timeInHour == 0) return min + "min " + s + "s";
return timeInHour + "h " + min + "min";
}
protected double getProfRate() {
double prof_rate = UNINITIALIZED;
Object o = viewer.getViewer().getInput();
if (o instanceof GmonDecoder) {
GmonDecoder decoder = (GmonDecoder) o;
HistogramDecoder histo = decoder.getHistogramDecoder();
prof_rate = histo.getProf_rate();
char tUnit = histo.getTimeDimension();
switch (tUnit) {
case 's': prof_rate /= 1000000000; break;
case 'm': prof_rate /= 1000000; break;
case 'u': prof_rate /= 1000; break;
}
}
return prof_rate;
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractSTDataViewersField#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
return GmonView.getBackground(element);
}
/*
* (non-Javadoc)
* @see org.eclipse.linuxtools.dataviewers.abstractviewers.AbstractSTDataViewersField#getToolTipText(java.lang.Object)
*/
@Override
public String getToolTipText(Object element) {
String suffix = "";
Object o = viewer.getInput();
if (o instanceof GmonDecoder) {
GmonDecoder decoder = (GmonDecoder) o;
if (decoder.isICache()) {
suffix = " in instruction cache";
} else if (decoder.isDCache()) {
suffix = " in data cache";
}
}
if (element instanceof HistRoot) {
return "total time spent in the program" + suffix;
} else if (element instanceof HistFunction) {
return "time spent in this function" + suffix;
} else if (element instanceof HistFile) {
return "time spent in this file" + suffix;
} else if (element instanceof HistLine) {
return "time spent at this location" + suffix;
}
return null;
}
/**
* Switch from samples to time ans vice-versa
*/
public void toggle() {
this.samples = !this.samples;
}
public Number getNumber(Object obj) {
TreeElement e = (TreeElement) obj;
int i = e.getSamples();
if (i == -1) return 0L;
return i;
}
}
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