OperatingSystemMXBean mx = ManagementFactory.getOperatingSystemMXBean();
final com.sun.management.OperatingSystemMXBean sunmx = (com.sun.management.OperatingSystemMXBean) mx;
long startCpuTime = sunmx.getProcessCpuTime();
final double percent = scanPercentage / 100d;
StopWatch watchdog = new StopWatch("nthreads: " + threads + ", capacity: " + capacity
+ ", scanPercentage: " + percent + ", scanLength: " + scanLength + ", pageSize: "
+ pageSize);
final Segments pager = makeTempSegments(pageSize);
final Status[] stats = new Status[threads];
final boolean isGCLOCK = (algo == ReplacementAlgorithm.GClock);
_start = _stop = false;
final Thread[] thrs = new Thread[threads];
for(int i = 0; i < threads; i++) {
final Status stat = new Status();
final int thrdnum = i;
stats[i] = stat;
thrs[i] = new Thread() {
public void run() {
while(!_start) {
// Spin till Time To Go
try {
Thread.sleep(1);
} catch (Exception e) {
}
}
try {
if(lock == null) {
throw new IllegalStateException();
} else {
if(isGCLOCK) {
runBenchmarkWithZipfDistributionLockForGCLOCK(thrdnum, stat, lock, pager, cache, capacity, round, percent, scanLength, dist);
} else {
switch(algo) {
case BpFullTwoQueue:
case BpLRU:
//runBenchmarkWithZipfDistributionLazySync(thrdnum, stat, lock, pager, cache, capacity, round, percent, scanLength, dist);
runBenchmarkWithZipfDistributionLazySync2(thrdnum, stat, lock, pager, cache, capacity, round, percent, scanLength, dist);
break;
default:
runBenchmarkWithZipfDistributionLock(thrdnum, stat, lock, pager, cache, capacity, round, percent, scanLength, dist);
break;
}
}
}
} catch (Throwable e) {
e.printStackTrace();
}
}
};
}
PerfmonService perfmon = new PerfmonService(3000);
if(enableStat) {
perfmon.start();
}
// Run threads
for(int i = 0; i < threads; i++) {
thrs[i].start();
}
_start = true;
try {
Thread.sleep(TIME_TO_EST);
} catch (InterruptedException e) {
}
_stop = true;
for(int i = 0; i < threads; i++) {
thrs[i].join();
}
if(enableStat) {
perfmon.stop();
}
long elapsedCpuTime = sunmx.getProcessCpuTime() - startCpuTime;
long numOps = 0L, cacheMisses = 0L, elapsed = 0L;
int ioContention = 0;
for(int i = 0; i < threads; i++) {
numOps += stats[i].ops;
cacheMisses += stats[i].miss;
elapsed += stats[i].mills;
ioContention += stats[i].iocontention;
}
long avgElapsedInSec = (elapsed / threads) / 1000L;
long opsPerSec = numOps / avgElapsedInSec;
long hit = numOps - cacheMisses;
double hitRatio = ((double) hit) / numOps;
double missRatio = ((double) cacheMisses) / numOps;
System.err.println("["
+ algo
+ ((algo == ReplacementAlgorithm.NbGClock || algo == ReplacementAlgorithm.NbGClockK) ? ", counter type: "
+ System.getProperty("xbird.counter", "striped")
: "")
+ " - "
+ filename
+ "] synchronization: "
+ (useRWlock ? "rwlock" : (lock == null ? "sync"
: ((lock instanceof NoopLock) ? "non-blocking"
: lock.getClass().getSimpleName()))) + ", read: " + numOps
+ ", miss: " + cacheMisses + ", hit ratio: " + hitRatio + ", miss ratio: "
+ missRatio + ", io contention: " + ioContention);
System.err.println(watchdog.toString());
System.err.println("number of ops: " + numOps + ", average number of ops per second: "
+ opsPerSec);
System.err.println("Elapsed cpu time: " + DateTimeFormatter.formatNanoTime(elapsedCpuTime));
System.err.flush();