Examples with Config io.pyroscope.javaagent.config.Config used on opensource projects

Example 1 with Config

use of io.pyroscope.javaagent.config.Config in project pyroscope-java by pyroscope-io.

the class PyroscopeAgent method premain.

public static void premain(final String agentArgs, final Instrumentation inst) {
    final Config config;
    final Logger logger;
    try {
        Profiler.init();
        config = Config.build();
        logger = new SimpleLogger("PyroscopeAgent", config.logLevel, false, true, true, false, "yyyy-MM-dd HH:mm:ss.SSS", ParameterizedNoReferenceMessageFactory.INSTANCE, new PropertiesUtil(new Properties()), System.err);
    } catch (final Throwable e) {
        PreConfigLogger.LOGGER.error("Error starting profiler", e);
        return;
    }
    logger.debug("Config {}", config);
    final OverfillQueue<Snapshot> pushQueue = new OverfillQueue<>(config.pushQueueCapacity);
    try {
        final Profiler profiler = new Profiler(logger, config.profilingEvent, config.profilingAlloc, config.profilingLock, config.profilingInterval, config.format);
        final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(new ThreadFactory() {

            public Thread newThread(Runnable r) {
                Thread t = Executors.defaultThreadFactory().newThread(r);
                t.setDaemon(true);
                return t;
            }
        });
        profiler.start();
        final Runnable dumpProfile = () -> {
            try {
                pushQueue.put(profiler.dump());
            } catch (final InterruptedException ignored) {
            // It's fine to swallow InterruptedException here and exit.
            // It's a cue to end the work and exit and we have nothing to clean up.
            }
        };
        executor.scheduleAtFixedRate(dumpProfile, config.uploadInterval.toMillis(), config.uploadInterval.toMillis(), TimeUnit.MILLISECONDS);
        final Thread uploaderThread = new Thread(new Uploader(logger, pushQueue, config));
        uploaderThread.setDaemon(true);
        uploaderThread.start();
    } catch (final Throwable e) {
        logger.error("Error starting profiler", e);
    }
}