Examples with StackSampleElement org.spf4j.base.avro.StackSampleElement used on opensource projects

Example 6 with StackSampleElement

use of org.spf4j.base.avro.StackSampleElement in project spf4j by zolyfarkas.

the class Converter method loadLabeledDump.

/**
 * Load samples forrm file containing multiple labeled stack samples.
 * @param file the ssdump3 file.
 * @return
 * @throws IOException
 */
@SuppressFBWarnings("NP_LOAD_OF_KNOWN_NULL_VALUE")
@Nullable
public static SampleNode loadLabeledDump(final File file, final String label) throws IOException {
    try (InputStream bis = newInputStream(file)) {
        final SpecificDatumReader<StackSampleElement> reader = new SpecificDatumReader<>(StackSampleElement.SCHEMA$);
        final BinaryDecoder decoder = DecoderFactory.get().directBinaryDecoder(bis, null);
        long nrItems = decoder.readMapStart();
        StackSampleElement asmp = new StackSampleElement();
        while (nrItems > 0) {
            for (int i = 0; i < nrItems; i++) {
                String key = decoder.readString();
                if (label.equals(key)) {
                    return loadSamples(decoder, asmp, reader).get(0);
                } else {
                    skipDump(decoder, reader, asmp);
                }
            }
            nrItems = decoder.mapNext();
        }
        return null;
    }
}

Example 7 with StackSampleElement

use of org.spf4j.base.avro.StackSampleElement in project spf4j by zolyfarkas.

the class Converter method loadLabeledDumps.

/**
 * Load samples forrm file containing multiple labeled stack samples.
 * @param file the ssdump3 file.
 * @return
 * @throws IOException
 */
@SuppressFBWarnings("NP_LOAD_OF_KNOWN_NULL_VALUE")
public static Map<String, SampleNode> loadLabeledDumps(final File file) throws IOException {
    try (InputStream bis = newInputStream(file)) {
        final SpecificDatumReader<StackSampleElement> reader = new SpecificDatumReader<>(StackSampleElement.SCHEMA$);
        final BinaryDecoder decoder = DecoderFactory.get().directBinaryDecoder(bis, null);
        long nrItems = decoder.readMapStart();
        StackSampleElement asmp = new StackSampleElement();
        Map<String, SampleNode> result = new HashMap<>((int) nrItems);
        while (nrItems > 0) {
            for (int i = 0; i < nrItems; i++) {
                String key = decoder.readString();
                TIntObjectMap<SampleNode> index = loadSamples(decoder, asmp, reader);
                result.put(key, index.get(0));
            }
            nrItems = decoder.mapNext();
        }
        return result;
    }
}

Example 8 with StackSampleElement

use of org.spf4j.base.avro.StackSampleElement in project spf4j by zolyfarkas.

the class Converter method convert.

@Nullable
public static SampleNode convert(final Iterator<StackSampleElement> samples) {
    TIntObjectMap<SampleNode> index = new TIntObjectHashMap<>();
    while (samples.hasNext()) {
        StackSampleElement asmp = samples.next();
        SampleNode sn = new SampleNode(asmp.getCount());
        SampleNode parent = index.get(asmp.getParentId());
        if (parent != null) {
            Method m = asmp.getMethod();
            parent.put(m, sn);
        }
        index.put(asmp.getId(), sn);
    }
    return index.get(0);
}

Example 9 with StackSampleElement

use of org.spf4j.base.avro.StackSampleElement in project spf4j by zolyfarkas.

the class Converter method loadSamples.

// it's a private method, don't care about being generic
@SuppressFBWarnings("OCP_OVERLY_CONCRETE_PARAMETER")
private static TIntObjectMap<SampleNode> loadSamples(final Decoder decoder, final StackSampleElement pasmp, final SpecificDatumReader<StackSampleElement> reader) throws IOException {
    TIntObjectMap<SampleNode> index = new TIntObjectHashMap<>();
    long nrArrayItems = decoder.readArrayStart();
    while (nrArrayItems > 0) {
        for (int j = 0; j < nrArrayItems; j++) {
            StackSampleElement asmp = reader.read(pasmp, decoder);
            SampleNode sn = new SampleNode(asmp.getCount());
            SampleNode parent = index.get(asmp.getParentId());
            if (parent != null) {
                Method readMethod = asmp.getMethod();
                Method m = new Method(readMethod.getDeclaringClass(), readMethod.getName());
                parent.put(m, sn);
            }
            index.put(asmp.getId(), sn);
        }
        nrArrayItems = decoder.arrayNext();
    }
    return index;
}

Example 10 with StackSampleElement

use of org.spf4j.base.avro.StackSampleElement in project spf4j by zolyfarkas.

the class TextEntryPanel method displayActionPerformed.

@SuppressFBWarnings({ "UP_UNUSED_PARAMETER", "URLCONNECTION_SSRF_FD" })
private void displayActionPerformed(java.awt.event.ActionEvent evt) {
    // GEN-FIRST:event_displayActionPerformed
    try {
        String text = jTextPane1.getText().trim();
        if (text.startsWith("http")) {
            URL url = new URL(text);
            URLConnection conn = url.openConnection();
            conn.setRequestProperty("Accept", "application/avro");
            conn.connect();
            String contentType = conn.getContentType();
            if (!"application/avro".equals(contentType)) {
                throw new IOException("Unsupported content type " + contentType);
            }
            try (InputStream is = new BufferedInputStream(conn.getInputStream())) {
                List<LogRecord> recs = (List<LogRecord>) readAvroBin(is, Schema.createArray(LogRecord.SCHEMA$));
                for (LogRecord rec : recs) {
                    List<StackSampleElement> stackSamples = rec.getStackSamples();
                    if (!stackSamples.isEmpty()) {
                        nodeConsumer.accept(rec.getMsg() + "; with trId=" + rec.getTrId(), Converter.convert(stackSamples.iterator()));
                    }
                }
            }
        } else if (text.startsWith("[")) {
            Schema schema = Schema.createArray(StackSampleElement.getClassSchema());
            DatumReader reader = new SpecificDatumReader(schema);
            List<StackSampleElement> samples;
            try {
                Decoder decoder = DecoderFactory.get().jsonDecoder(schema, text);
                samples = (List<StackSampleElement>) reader.read(null, decoder);
            } catch (IOException ex) {
                throw new UncheckedIOException(ex);
            }
            nodeConsumer.accept("SampleNode Array", Converter.convert(samples.iterator()));
        } else {
            nodeConsumer.accept("SampleNode Tree", SampleNode.parse(new StringReader(text)).getSecond());
        }
    } catch (IOException | RuntimeException ex) {
        errorConsumer.accept(ex);
    }
}