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Log the timing of startup tasks so we can find bottlenecks.

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akwizgran
2014-01-13 21:58:34 +00:00
parent c9928348ef
commit 6f161103ae
4 changed files with 104 additions and 27 deletions
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25
briar-core/src/org/briarproject/lifecycle/LifecycleManagerImpl.java
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@@ -16,12 +16,14 @@ import org.briarproject.api.db.DatabaseComponent;
import org.briarproject.api.db.DbException;
import org.briarproject.api.lifecycle.LifecycleManager;
import org.briarproject.api.lifecycle.Service;
import org.briarproject.api.system.Clock;
class LifecycleManagerImpl implements LifecycleManager {
private static final Logger LOG =
Logger.getLogger(LifecycleManagerImpl.class.getName());
private final Clock clock;
private final DatabaseComponent db;
private final Collection<Service> services;
private final Collection<ExecutorService> executors;
@@ -30,7 +32,8 @@ class LifecycleManagerImpl implements LifecycleManager {
private final CountDownLatch shutdownLatch = new CountDownLatch(1);
@Inject
LifecycleManagerImpl(DatabaseComponent db) {
LifecycleManagerImpl(Clock clock, DatabaseComponent db) {
this.clock = clock;
this.db = db;
services = new CopyOnWriteArrayList<Service>();
executors = new CopyOnWriteArrayList<ExecutorService>();
@@ -51,20 +54,30 @@ class LifecycleManagerImpl implements LifecycleManager {
public boolean startServices() {
try {
if(LOG.isLoggable(INFO)) LOG.info("Starting");
long start = clock.currentTimeMillis();
boolean reopened = db.open();
long duration = clock.currentTimeMillis() - start;
if(LOG.isLoggable(INFO)) {
if(reopened) LOG.info("Database reopened");
else LOG.info("Database created");
if(reopened)
LOG.info("Reopening database took " + duration + " ms");
else LOG.info("Creating database took " + duration + " ms");
}
dbLatch.countDown();
for(Service s : services) {
start = clock.currentTimeMillis();
boolean started = s.start();
duration = clock.currentTimeMillis() - start;
if(!started) {
if(LOG.isLoggable(WARNING)) {
String name = s.getClass().getName();
LOG.warning(name + " did not start");
}
return false;
}
if(LOG.isLoggable(INFO)) {
String name = s.getClass().getName();
if(started) LOG.info("Service started: " + name);
else LOG.info("Service failed to start: " + name);
LOG.info("Starting " + name + " took " + duration + " ms");
}
if(!started) return false;
}
startupLatch.countDown();
return true;