QmlProfiler: Refactor

The code of the qmlprofiler client has become a bit too complex,
this patch reorganizes the modules in a more sensible way,
having the modules communicate with each other through a
state machine instead of the excess of signals and slots
from before.

Change-Id: I76f7313779888a1bd07a1cdb1acbf2e47aacf42a
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>
This commit is contained in:
Christiaan Janssen
2012-02-24 10:47:17 +01:00
parent d207165f6a
commit b7304e2f2e
47 changed files with 4742 additions and 3896 deletions

View File

@@ -32,7 +32,7 @@
.pragma library
var qmlEventList = 0;
var qmlProfilerDataModel = 0;
//draw background of the graph
function drawGraph(canvas, ctxt, region)
@@ -44,7 +44,7 @@ function drawGraph(canvas, ctxt, region)
//draw the actual data to be graphed
function drawData(canvas, ctxt, region)
{
if ((!qmlEventList) || qmlEventList.count() == 0)
if ((!qmlProfilerDataModel) || qmlProfilerDataModel.count() == 0)
return;
var typeCount = 5;
@@ -53,17 +53,18 @@ function drawData(canvas, ctxt, region)
var height = canvas.height - bump;
var blockHeight = height / typeCount;
var spacing = width / qmlEventList.traceDuration();
var spacing = width / qmlProfilerDataModel.traceDuration();
var highest = [0,0,0,0,0]; // note: change if typeCount changes
for (var ii = 0; ii < qmlEventList.count(); ++ii) {
for (var ii = 0; ii < qmlProfilerDataModel.count(); ++ii) {
var xx = (qmlEventList.getStartTime(ii) - qmlEventList.traceStartTime()) * spacing;
var xx = (qmlProfilerDataModel.getStartTime(ii) -
qmlProfilerDataModel.traceStartTime()) * spacing;
if (xx > region.x + region.width)
continue;
var eventWidth = qmlEventList.getDuration(ii) * spacing;
var eventWidth = qmlProfilerDataModel.getDuration(ii) * spacing;
if (xx + eventWidth < region.x)
continue;
@@ -71,24 +72,26 @@ function drawData(canvas, ctxt, region)
eventWidth = 1;
xx = Math.round(xx);
var ty = qmlEventList.getType(ii);
var ty = qmlProfilerDataModel.getType(ii);
if (xx + eventWidth > highest[ty]) {
// special: animations
if (ty === 0 && qmlEventList.getAnimationCount(ii) >= 0) {
var vertScale = qmlEventList.getMaximumAnimationCount() - qmlEventList.getMinimumAnimationCount();
if (ty === 0 && qmlProfilerDataModel.getAnimationCount(ii) >= 0) {
var vertScale = qmlProfilerDataModel.getMaximumAnimationCount() -
qmlProfilerDataModel.getMinimumAnimationCount();
if (vertScale < 1)
vertScale = 1;
var fraction = (qmlEventList.getAnimationCount(ii) - qmlEventList.getMinimumAnimationCount()) / vertScale;
var fraction = (qmlProfilerDataModel.getAnimationCount(ii) -
qmlProfilerDataModel.getMinimumAnimationCount()) / vertScale;
var eventHeight = blockHeight * (fraction * 0.85 + 0.15);
var yy = bump + ty*blockHeight + blockHeight - eventHeight;
var fpsFraction = qmlEventList.getFramerate(ii) / 60.0;
var fpsFraction = qmlProfilerDataModel.getFramerate(ii) / 60.0;
if (fpsFraction > 1.0)
fpsFraction = 1.0;
ctxt.fillStyle = "hsl("+(fpsFraction*0.27+0.028)+",0.3,0.65)";
ctxt.fillRect(xx, yy, eventWidth, eventHeight);
} else {
var hue = ( qmlEventList.getEventId(ii) * 25 ) % 360;
var hue = ( qmlProfilerDataModel.getEventId(ii) * 25 ) % 360;
ctxt.fillStyle = "hsl("+(hue/360.0+0.001)+",0.3,0.65)";
ctxt.fillRect(xx, bump + ty*blockHeight, eventWidth, blockHeight);
}
@@ -100,12 +103,13 @@ function drawData(canvas, ctxt, region)
ctxt.strokeStyle = "orange";
ctxt.lineWidth = 2;
var radius = 1;
for (var ii = 0; ii < qmlEventList.count(); ++ii) {
if (qmlEventList.getBindingLoopDest(ii) >= 0) {
var xcenter = Math.round(qmlEventList.getStartTime(ii) +
qmlEventList.getDuration(ii) -
qmlEventList.traceStartTime()) * spacing;
var ycenter = Math.round(bump + qmlEventList.getType(ii) * blockHeight + blockHeight/2);
for (var ii = 0; ii < qmlProfilerDataModel.count(); ++ii) {
if (qmlProfilerDataModel.getBindingLoopDest(ii) >= 0) {
var xcenter = Math.round(qmlProfilerDataModel.getStartTime(ii) +
qmlProfilerDataModel.getDuration(ii) -
qmlProfilerDataModel.traceStartTime()) * spacing;
var ycenter = Math.round(bump + qmlProfilerDataModel.getType(ii) *
blockHeight + blockHeight/2);
ctxt.arc(xcenter, ycenter, radius, 0, 2*Math.PI, true);
ctxt.stroke();
}
@@ -114,19 +118,20 @@ function drawData(canvas, ctxt, region)
function drawTimeBar(canvas, ctxt, region)
{
if (!qmlEventList)
if (!qmlProfilerDataModel)
return;
var width = canvas.width;
var height = 10;
var startTime = qmlEventList.traceStartTime();
var endTime = qmlEventList.traceEndTime();
var startTime = qmlProfilerDataModel.traceStartTime();
var endTime = qmlProfilerDataModel.traceEndTime();
var totalTime = qmlEventList.traceDuration();
var totalTime = qmlProfilerDataModel.traceDuration();
var spacing = width / totalTime;
var initialBlockLength = 120;
var timePerBlock = Math.pow(2, Math.floor( Math.log( totalTime / width * initialBlockLength ) / Math.LN2 ) );
var timePerBlock = Math.pow(2, Math.floor( Math.log( totalTime / width *
initialBlockLength ) / Math.LN2 ) );
var pixelsPerBlock = timePerBlock * spacing;
var pixelsPerSection = pixelsPerBlock / 5;
var blockCount = width / pixelsPerBlock;