Examples with InvokedMethod org.spf4j.stackmonitor.InvokedMethod used on opensource projects

Example 1 with InvokedMethod

use of org.spf4j.stackmonitor.InvokedMethod in project spf4j by zolyfarkas.

the class ZStackPanel method filter.

@Override
public void filter() {
    List<Sampled<InvokedMethod>> tips = search(xx, yy, 0, 0);
    if (tips.size() >= 1) {
        final InvokedMethod value = tips.get(0).getObj();
        updateSamples(getMethod(), getSamples().filteredBy(new EqualsPredicate<>(value.getMethod())));
        repaint();
    }
}

Example 2 with InvokedMethod

use of org.spf4j.stackmonitor.InvokedMethod in project spf4j by zolyfarkas.

the class ZStackPanel method paintGraph.

private void paintGraph(final Graphics2D g2, final int x, final int y, final double areaWidth, final double rowHeight) {
    final Graph<InvokedMethod, SampleNode.InvocationCount> graph = completeGraph.copy();
    int rootSamples = graph.getEdges(startFrom).getIncomming().keySet().iterator().next().getValue();
    final double pps = areaWidth / rootSamples;
    methodLocations = new HashMap<InvokedMethod, Rectangle2D>();
    final Traversals.TraversalCallback<InvokedMethod, SampleNode.InvocationCount> traversalCallback = new Traversals.TraversalCallback<InvokedMethod, SampleNode.InvocationCount>() {

        private int counter = 0;

        @Override
        public void handle(final InvokedMethod vertex, final Map<SampleNode.InvocationCount, InvokedMethod> edges) {
            if (edges.size() == 1) {
                if (vertex.equals(startFrom)) {
                    int nrSamples = edges.keySet().iterator().next().getValue();
                    drawMethod(vertex, nrSamples, (double) x, (double) y, (double) areaWidth, (double) rowHeight);
                } else {
                    Map.Entry<SampleNode.InvocationCount, InvokedMethod> fromEntry = edges.entrySet().iterator().next();
                    InvokedMethod fromMethod = fromEntry.getValue();
                    Rectangle2D fromMethodLocation = methodLocations.get(fromMethod);
                    int relativeSamples = 0;
                    for (Map.Entry<SampleNode.InvocationCount, InvokedMethod> ens : graph.getEdges(fromMethod).getOutgoing().entrySet()) {
                        InvokedMethod slm = ens.getValue();
                        if (methodLocations.containsKey(slm) && graph.getEdges(slm).getIncomming().size() == 1 && !fromMethod.equals(slm)) {
                            relativeSamples += ens.getKey().getValue();
                        }
                    }
                    int nrSamples = fromEntry.getKey().getValue();
                    double width = nrSamples * pps;
                    double newX = fromMethodLocation.getX() + relativeSamples * pps;
                    drawMethod(vertex, nrSamples, newX, (fromMethodLocation.getY() + rowHeight), width, rowHeight);
                }
            } else if (edges.size() > 1) {
                renderMethodLinked(edges, vertex);
            } else {
                throw new IllegalStateException("Invalid state, there must be a way to get to node " + vertex);
            }
        }

        @SuppressFBWarnings("ISB_TOSTRING_APPENDING")
        private void drawMethod(final InvokedMethod vertex, final int nrSamples, final double x, final double y, final double width, final double height, final Point... fromLinks) {
            Rectangle2D.Double location = new Rectangle2D.Double(x, y, width, height);
            methodLocations.put(vertex, location);
            insert(x, y, width, height, new Sampled<>(vertex, nrSamples));
            double newHeight = y + height;
            if (totalHeight < newHeight) {
                totalHeight = newHeight;
            }
            FlameStackPanel.setElementColor(counter++, g2);
            g2.setClip((int) x, (int) y, (int) width, (int) height);
            g2.fillRect((int) x, (int) y, (int) width, (int) height);
            String val = vertex.getMethod().toString() + '-' + nrSamples;
            g2.setPaint(Color.BLACK);
            g2.drawString(val, (int) x, (int) (y + height - 1));
            g2.setClip(null);
            g2.setPaint(LINK_COLOR);
            for (Point divLoc : fromLinks) {
                g2.drawLine((int) divLoc.getX(), (int) divLoc.getY(), (int) (x + width / 2), (int) y);
            }
            g2.drawRect((int) x, (int) y, (int) width, (int) height);
        }

        private void renderMethodLinked(final Map<SampleNode.InvocationCount, InvokedMethod> edges, final InvokedMethod vertex) {
            List<Point> fromPoints = new ArrayList<>(edges.size());
            double newYBase = 0;
            double newXBase = Double.MAX_VALUE;
            double newWidth = 0;
            double maxX = Double.MIN_VALUE;
            int nrSamples = 0;
            for (Map.Entry<SampleNode.InvocationCount, InvokedMethod> fromEntry : edges.entrySet()) {
                Rectangle2D fromRect = methodLocations.get(fromEntry.getValue());
                newWidth += fromEntry.getKey().getValue() * pps;
                nrSamples += fromEntry.getKey().getValue();
                if (fromRect == null) {
                    continue;
                }
                double fromX = fromRect.getX();
                if (fromX < newXBase) {
                    newXBase = fromX;
                }
                double mx = fromRect.getMaxX();
                if (mx > maxX) {
                    maxX = mx;
                }
                double newY = fromRect.getMaxY() + rowHeight;
                if (newY > newYBase) {
                    newYBase = newY;
                }
                fromPoints.add(new Point((int) fromRect.getCenterX(), (int) fromRect.getMaxY()));
            }
            Pair<List<Sampled<InvokedMethod>>, Double> result = findEmptySpace(newXBase, newYBase, newWidth, maxX);
            while (!result.getFirst().isEmpty()) {
                // TODO: optimize this to increment with a better value
                newYBase += rowHeight;
                result = findEmptySpace(newXBase, newYBase, newWidth, maxX);
            }
            drawMethod(vertex, nrSamples, result.getSecond(), newYBase, newWidth, rowHeight, fromPoints.toArray(new Point[fromPoints.size()]));
        }

        @SuppressFBWarnings("PRMC_POSSIBLY_REDUNDANT_METHOD_CALLS")
        private Pair<List<Sampled<InvokedMethod>>, Double> findEmptySpace(final double newXBase, final double newYBase, final double newWidth, final double maxX) {
            double tryx = newXBase + (maxX - newXBase) / 2 - newWidth / 2;
            tryx = fitToViewableArea(tryx, newWidth);
            List<Sampled<InvokedMethod>> methods = search(tryx, newYBase, newWidth, Float.MAX_VALUE);
            if (!methods.isEmpty()) {
                tryx = newXBase;
                tryx = fitToViewableArea(tryx, newWidth);
                methods = search(tryx, newYBase, newWidth, Float.MAX_VALUE);
                if (!methods.isEmpty()) {
                    tryx = maxX - newWidth;
                    tryx = fitToViewableArea(tryx, newWidth);
                    methods = search(tryx, newYBase, newWidth, Float.MAX_VALUE);
                }
            }
            return Pair.of(methods, tryx);
        }

        private double fitToViewableArea(final double ptryx, final double newWidth) {
            double tryx = ptryx;
            if (tryx < 0) {
                tryx = 0;
            } else if (tryx > areaWidth - newWidth) {
                tryx = areaWidth - newWidth;
            }
            return tryx;
        }
    };
    Traversals.customTraverse(graph, startFrom, traversalCallback);
}

Example 3 with InvokedMethod

use of org.spf4j.stackmonitor.InvokedMethod in project spf4j by zolyfarkas.

the class ZStackPanel method drill.

@Override
public void drill() {
    List<Sampled<InvokedMethod>> tips = search(xx, yy, 0, 0);
    if (tips.size() >= 1) {
        final InvokedMethod value = tips.get(0).getObj();
        startFrom = value;
        repaint();
    }
}

Example 4 with InvokedMethod

use of org.spf4j.stackmonitor.InvokedMethod in project spf4j by zolyfarkas.

the class ZStackPanel method getDetail.

@Override
@Nullable
public String getDetail(final Point location) {
    List<Sampled<InvokedMethod>> tips = search(location.x, location.y, 0, 0);
    if (tips.size() >= 1) {
        final Sampled<InvokedMethod> node = tips.get(0);
        final InvokedMethod method = node.getObj();
        final Map<SampleNode.InvocationCount, InvokedMethod> incomming = completeGraph.getEdges(method).getIncomming();
        StringBuilder sb = new StringBuilder();
        sb.append(method).append('-').append(node.getNrSamples()).append("\n invoked from: ");
        appendEdgeInfo(incomming, sb);
        sb.append("\n invoking: ");
        final Map<SampleNode.InvocationCount, InvokedMethod> outgoing = completeGraph.getEdges(method).getOutgoing();
        appendEdgeInfo(outgoing, sb);
        return sb.toString();
    } else {
        return null;
    }
}

Example 5 with InvokedMethod

use of org.spf4j.stackmonitor.InvokedMethod in project spf4j by zolyfarkas.

the class ZStackPanel method appendEdgeInfo.

private static void appendEdgeInfo(final Map<SampleNode.InvocationCount, InvokedMethod> incomming, final StringBuilder sb) {
    for (Map.Entry<SampleNode.InvocationCount, InvokedMethod> entry : incomming.entrySet()) {
        int ic = entry.getKey().getValue();
        InvokedMethod method = entry.getValue();
        sb.append(method).append('-').append(ic).append("; ");
    }
}