/**
* This method is the entry point to the controller, it is called when the controllerThread is
* created.
*/
public void run() {
// save this object so others can access it, if needed
Controller.controllerThread = this;
// Bring up the logging system
AOSLogging.logger.boot();
if (Controller.options.ENABLE_ADVICE_GENERATION) {
AOSGenerator.boot();
}
// Create measurement entities that are NOT related to
// adaptive recompilation
createProfilers();
if (!Controller.options.ENABLE_RECOMPILATION) {
// We're running an AOS bootimage with a non-adaptive primary strategy.
// We already set up any requested profiling infrastructure, so nothing
// left to do but exit.
controllerInitDone();
VM.sysWriteln("AOS: In non-adaptive mode; controller thread exiting.");
return; // controller thread exits.
}
if ((Controller.options.ENABLE_REPLAY_COMPILE) || (Controller.options.ENABLE_PRECOMPILE)) {
// if we want to do precompile, we need to initial optimization plans
// just allow the advice to be the max opt level 2
Controller.options.DERIVED_MAX_OPT_LEVEL = 2;
if (Controller.options.sampling()) {
// Create our set of standard optimization plans.
Controller.recompilationStrategy.init();
} else if (Controller.options.counters()) {
InvocationCounts.init();
}
Controller.osrOrganizer = new OSROrganizerThread();
Controller.osrOrganizer.start();
createCompilationThread();
// We're running an AOS bootimage with a non-adaptive primary strategy.
// We already set up any requested profiling infrastructure, so nothing
// left to do but exit.
controllerInitDone();
// to have a fair comparison, we need to create the data structures
// of organizers
createOrganizerThreads();
VM.sysWriteln("AOS: In replay mode; controller thread only runs for OSR inlining.");
while (true) {
if (Controller.options.EARLY_EXIT
&& Controller.options.EARLY_EXIT_TIME < Controller.controllerClock) {
Controller.stop();
}
Object event = Controller.controllerInputQueue.deleteMin();
((OnStackReplacementEvent) event).process();
}
}
// Initialize the CompilerDNA class
// This computes some internal options, must be done early in boot process
CompilerDNA.init();
// Create the organizerThreads and schedule them
createOrganizerThreads();
// Create the compilationThread and schedule it
createCompilationThread();
if (Controller.options.sampling()) {
// Create our set of standard optimization plans.
Controller.recompilationStrategy.init();
} else if (Controller.options.counters()) {
InvocationCounts.init();
}
controllerInitDone();
// Enter main controller loop.
// Pull an event to process off of
// Controller.controllerInputQueue and handle it.
// If no events are on the queue, then the deleteMin call will
// block until an event is available.
// Repeat forever.
while (true) {
if (Controller.options.EARLY_EXIT
&& Controller.options.EARLY_EXIT_TIME < Controller.controllerClock) {
Controller.stop();
}
Object event = Controller.controllerInputQueue.deleteMin();
((ControllerInputEvent) event).process();
}
}
