/** Print out statistics at the end of a GC */
public final void printPostStats() {
if ((Options.verbose.getValue() == 1) || (Options.verbose.getValue() == 2)) {
Log.write("-> ");
Log.writeDec(Conversions.pagesToBytes(getPagesUsed()).toWord().rshl(10));
Log.write("KB ");
if (Options.verbose.getValue() == 1) {
totalTime.printLast();
Log.writeln(" ms]");
} else {
Log.write("End ");
totalTime.printTotal();
Log.writeln(" ms]");
}
}
if (Options.verbose.getValue() > 2) {
Log.write(" After Collection: ");
Space.printUsageMB();
if (Options.verbose.getValue() >= 4) {
Log.write(" ");
Space.printUsagePages();
}
if (Options.verbose.getValue() >= 5) {
Space.printVMMap();
}
Log.write(" ");
printUsedPages();
Log.write(" Collection time: ");
totalTime.printLast();
Log.writeln(" ms");
}
}
/**
* The VM is about to exit. Perform any clean up operations.
*
* @param value The exit value
*/
@Interruptible
public void notifyExit(int value) {
if (Options.harnessAll.getValue()) harnessEnd();
if (Options.verbose.getValue() == 1) {
Log.write("[End ");
totalTime.printTotalSecs();
Log.writeln(" s]");
} else if (Options.verbose.getValue() == 2) {
Log.write("[End ");
totalTime.printTotalMillis();
Log.writeln(" ms]");
}
if (Options.verboseTiming.getValue()) printDetailedTiming(true);
}
/**
* Perform a (global) collection phase.
*
* @param phaseId Collection phase to execute.
*/
@NoInline
public void collectionPhase(short phaseId) {
if (phaseId == SET_COLLECTION_KIND) {
super.collectionPhase(phaseId);
gcFullHeap = requiresFullHeapCollection();
return;
}
if (phaseId == PREPARE) {
nurserySpace.prepare(true);
if (traceFullHeap()) {
if (gcFullHeap) {
if (Stats.gatheringStats()) fullHeap.set();
fullHeapTime.start();
}
super.collectionPhase(phaseId);
// we can throw away the remsets (but not modbuf) for a full heap GC
remsetPool.clearDeque(1);
arrayRemsetPool.clearDeque(2);
}
return;
}
if (phaseId == CLOSURE) {
if (!traceFullHeap()) {
nurseryTrace.prepare();
}
return;
}
if (phaseId == RELEASE) {
nurserySpace.release();
modbufPool.clearDeque(1);
remsetPool.clearDeque(1);
arrayRemsetPool.clearDeque(2);
if (!traceFullHeap()) {
nurseryTrace.release();
} else {
super.collectionPhase(phaseId);
if (gcFullHeap) fullHeapTime.stop();
}
nextGCFullHeap = (getPagesAvail() < Options.nurserySize.getMinNursery());
return;
}
super.collectionPhase(phaseId);
}
