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

Example 1 with SampleNode

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

the class Converter method saveLabeledDumps.

public static void saveLabeledDumps(final File file, final Map<String, SampleNode> pcollected) throws IOException {
    try (OutputStream bos = newOutputStream(file)) {
        final SpecificDatumWriter<StackSampleElement> writer = new SpecificDatumWriter<>(StackSampleElement.SCHEMA$);
        final BinaryEncoder encoder = EncoderFactory.get().directBinaryEncoder(bos, null);
        encoder.writeMapStart();
        final Map<String, SampleNode> collected = pcollected.entrySet().stream().filter((e) -> e.getValue() != null).collect(Collectors.toMap((e) -> e.getKey(), (e) -> e.getValue()));
        encoder.setItemCount(collected.size());
        for (Map.Entry<String, SampleNode> entry : collected.entrySet()) {
            encoder.startItem();
            encoder.writeString(entry.getKey());
            encoder.writeArrayStart();
            Converters.convert(Methods.ROOT, entry.getValue(), -1, 0, (final StackSampleElement object) -> {
                try {
                    encoder.setItemCount(1L);
                    encoder.startItem();
                    writer.write(object, encoder);
                } catch (IOException ex) {
                    throw new UncheckedIOException(ex);
                }
            });
            encoder.writeArrayEnd();
        }
        encoder.writeMapEnd();
        encoder.flush();
    }
}

Example 2 with SampleNode

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

the class ComparisonStackDumpJInternalFrame method updateSampleNode.

private void updateSampleNode() throws IOException {
    SampleNode sampleNodeA = samplesSupplierA.getSamples((String) contextSelectorA.getSelectedItem(), (String) tagsSelectorA.getSelectedItem(), aSpinners.start.getDate().toInstant(), aSpinners.end.getDate().toInstant());
    SampleNode sampleNodeB = samplesSupplierB.getSamples((String) contextSelectorB.getSelectedItem(), (String) tagsSelectorB.getSelectedItem(), bSpinners.start.getDate().toInstant(), bSpinners.end.getDate().toInstant());
    this.samples = SampleNode.diffAnnotate(Methods.ROOT, sampleNodeA, sampleNodeB);
    if (samples == null) {
        this.samples = SampleNode.createSampleNode(new StackTraceElement[] { new StackTraceElement("NO SAMPLES", "", "", -1) });
    }
}

Example 3 with SampleNode

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

the class HotFlameStackPanel method paintGraph.

private void paintGraph(final Graphics2D g2, final double areaWidth, final double rowHeight) {
    SampleNode samples = getSamples();
    if (samples == null) {
        return;
    }
    final SampleGraph graph = new SampleGraph(getMethod(), samples);
    this.completeGraph = graph;
    AggSample aggRoot = graph.getAggRootVertex();
    int rootSamples = aggRoot.getNrSamples();
    // calculate pixe/sample
    final double pps = (areaWidth - 1) / rootSamples;
    methodLocations = new HashMap<>();
    PriorityQueue<AggSample> traversal = new PriorityQueue<>(new SComparator(graph));
    traversal.add(aggRoot);
    Set<AggSample> drawed = new HashSet<>(graph.getAggNodesNr());
    AggSample next;
    while ((next = traversal.poll()) != null) {
        if (drawed.add(next)) {
            drawMethod(g2, next, graph, pps, rowHeight);
            traversal.addAll(graph.getChildren(next));
        }
    }
}

Example 4 with SampleNode

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

the class HotFlameStackPanel method drill.

@Override
public void drill() {
    List<SampleKey> tips = search(xx, yy, 0, 0);
    if (tips.size() >= 1) {
        SampleKey sample = tips.get(0);
        Set<Sample> samples = completeGraph.getSamples(sample);
        Iterator<SampleGraph.Sample> iterator = samples.iterator();
        SampleNode agg = iterator.next().getNode();
        while (iterator.hasNext()) {
            agg = SampleNode.aggregate(agg, iterator.next().getNode());
        }
        updateSamples(sample.getMethod(), agg);
        repaint();
    }
}

Example 5 with SampleNode

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

the class FlameStackPanel method paintNode.

@SuppressFBWarnings("ISB_TOSTRING_APPENDING")
private int paintNode(final Method method, final SampleNode node, final Graphics2D g2, final int x, final int py, final int width, final int height, final int depth) {
    if (node == null) {
        return 0;
    }
    int y = py;
    int sampleCount = node.getSampleCount();
    String val = Methods.toString(method) + '-' + sampleCount;
    setElementColor(depth, g2);
    g2.setClip(x, y, width, height);
    g2.fillRect(x, y, width, height);
    insert(x, y, width, height, Pair.of(method, node));
    g2.setPaint(Color.BLACK);
    g2.drawString(val, x, y + height - 1);
    g2.setClip(null);
    g2.setPaint(LINK_COLOR);
    g2.drawRect(x, y, width, height);
    int result = height;
    if (!node.isEmpty()) {
        y += height;
        int relX = x;
        double scale = (double) width / sampleCount;
        int maxY = 0;
        for (Map.Entry<Method, SampleNode> entry : node.entrySet()) {
            SampleNode cnode = entry.getValue();
            // sampleCount -> width
            // childSampleCount -> childWidth
            int childWidth = (int) (scale * cnode.getSampleCount());
            if (childWidth > 0) {
                maxY = Math.max(maxY, paintNode(entry.getKey(), cnode, g2, relX, y, childWidth, height, depth + 1));
                relX += childWidth;
            }
        }
        result += maxY;
    }
    return result;
}