Examples with LogEventListener com.insightfullogic.honest_profiler.core.parser.LogEventListener used on opensource projects

Example 1 with LogEventListener

use of com.insightfullogic.honest_profiler.core.parser.LogEventListener in project honest-profiler by jvm-profiling-tools.

the class InitializeProfileTask method consume.

/**
 * Returns a {@link ProfileContext} which will emit {@link LeanProfile}s produced by consuming a non-live log file.
 * <p>
 * @param fileLogSource the non-live log file which will be processed
 * @return a new {@link ProfileContext} for non-live log file consumption
 */
private ProfileContext consume(FileLogSource fileLogSource) {
    ProfileContext profileContext = newProfileContext(LOG, fileLogSource);
    final LogEventListener collector = new LogEventPublisher().publishTo(getCollector(profileContext));
    pipe(fileLogSource, collector, false).run();
    return profileContext;
}

Example 2 with LogEventListener

use of com.insightfullogic.honest_profiler.core.parser.LogEventListener in project honest-profiler by jvm-profiling-tools.

the class ConsoleLogDumpApplication method run.

public void run() {
    final PrintStream err = error.stream();
    if (!logLocation.exists() || !logLocation.canRead()) {
        err.println("Unable to find log file at: " + logLocation);
        return;
    }
    final PrintStream out = output.stream();
    out.println("Printing text representation for: " + logLocation.getAbsolutePath());
    Monitor.consumeFile(new FileLogSource(logLocation), new LogEventListener() {

        int indent;

        long traceidx;

        long errCount;

        Map<String, Counter> errHistogram = new HashMap<>();

        Map<Long, BoundMethod> methodNames = new HashMap<>();

        Map<Long, String> threadNames = new HashMap<>();

        @Override
        public void handle(Method method) {
            BoundMethod boundMethod = new BoundMethod(method.getClassName(), method.getMethodReturnType(), method.getMethodName(), method.getMethodSignature());
            out.printf("Method    : %d -> %s %s.%s%s\n", method.getMethodId(), method.getMethodReturnType(), method.getClassName(), method.getMethodName(), method.getMethodSignature());
            methodNames.put(method.getMethodId(), boundMethod);
        }

        @Override
        public void handle(StackFrame stackFrame) {
            indent--;
            long methodId = stackFrame.getMethodId();
            BoundMethod boundMethod = methodNames.get(methodId);
            if (methodId == 0) {
                errCount++;
                // null method
                out.print("StackFrame: ");
                indent(out);
                out.printf("%d @ %s (bci=%s)\n", methodId, stackFrame.getLineNumber(), stackFrame.getBci());
                Counter counter = errHistogram.computeIfAbsent("Null jmethodId", k -> new Counter());
                counter.inc();
            } else if (methodId < 0) {
                errCount++;
                // bad sample dressed up as a frame
                out.print("StackFrame: ");
                indent(out);
                out.printf("%s %s::%s%s \n", boundMethod.returnType, boundMethod.className, boundMethod.methodName, boundMethod.methodSignature);
                Counter counter = errHistogram.computeIfAbsent(boundMethod.methodName, k -> new Counter());
                counter.inc();
            } else if (boundMethod == null) {
                out.print("StackFrame: ");
                indent(out);
                out.printf("%d @ %s (bci=%s)\n", methodId, stackFrame.getLineNumber(), stackFrame.getBci());
            } else {
                out.print("StackFrame: ");
                indent(out);
                out.printf("%s %s::%s%s @ %s (bci=%s)\n", boundMethod.returnType, boundMethod.className, boundMethod.methodName, boundMethod.methodSignature, stackFrame.getLineNumber(), stackFrame.getBci());
            }
        }

        private void indent(final PrintStream out) {
            for (int i = 0; i < indent; i++) out.print(' ');
        }

        @Override
        public void handle(TraceStart traceStart) {
            int frames = traceStart.getNumberOfFrames();
            long tid = traceStart.getThreadId();
            String tidString = tid >= 0 ? ("tid=" + tid) : "tid=unknown";
            String name = threadNames.get(tid);
            if (name == null || "".equals(name)) {
                name = "Unknown";
            }
            out.printf("TraceStart: [%d] %d.%d %s,%s,frames=%d\n", traceidx, traceStart.getTraceEpoch(), traceStart.getTraceEpochNano(), name, tidString, frames);
            indent = frames;
            traceidx++;
        }

        @Override
        public void handle(ThreadMeta newThreadMeta) {
            long tid = newThreadMeta.getThreadId();
            String name = newThreadMeta.getThreadName();
            out.printf("ThreadMeta: tid=%d,name=%s\n", tid, name);
            threadNames.put(tid, name);
        }

        @Override
        public void endOfLog() {
            out.printf("Processed %d traces, %d faulty\n", traceidx, errCount);
            for (Map.Entry<String, Counter> e : errHistogram.entrySet()) {
                final String errCode = e.getKey();
                final int errCodeCount = e.getValue().i;
                out.printf("%-20s: %d \n", errCode, errCodeCount);
            }
        }
    });
}