Examples with StackTraceReader org.gridkit.jvmtool.stacktrace.StackTraceReader used on opensource projects

Example 1 with StackTraceReader

use of org.gridkit.jvmtool.stacktrace.StackTraceReader in project jvm-tools by aragozin.

the class FlameCheck method check.

@Test
public void check() throws IOException {
    FlameGraphGenerator fg = new FlameGraphGenerator();
    StackTraceReader r = read();
    if (!r.isLoaded()) {
        r.loadNext();
    }
    while (r.isLoaded()) {
        fg.feed(r.getStackTrace());
        r.loadNext();
    }
    StringWriter sw = new StringWriter();
    fg.renderSVG("Flame Graph", 1200, sw);
    FileWriter fw = new FileWriter(new File("target/flame.svg"));
    fw.append(sw.getBuffer());
    fw.close();
}

Example 2 with StackTraceReader

use of org.gridkit.jvmtool.stacktrace.StackTraceReader in project jvm-tools by aragozin.

the class FilterParserCorpusTest method verify.

@Test
public void verify() throws FileNotFoundException, IOException {
    ThreadSnapshotFilter f = TraceFilterPredicateParser.parseFilter(filter, new CachingFilterFactory());
    StackTraceReader reader = StackTraceCodec.newReader(new FileInputStream("src/test/resources/jboss-10k.std"));
    int n = 0;
    if (!reader.isLoaded()) {
        reader.loadNext();
    }
    ThreadSnapshot readerProxy = new ReaderProxy(reader);
    while (reader.isLoaded()) {
        if (f.evaluate(readerProxy)) {
            ++n;
        }
        if (!reader.loadNext()) {
            break;
        }
    }
    Assert.assertEquals(matchCount, n);
}