public void Finish(long iterations)
{
endCycleCount = unchecked ((long)Processor.CycleCount);
#if X64_PERF
x64_p0 = Processor.ReadPmc(0);
x64_p1 = Processor.ReadPmc(1);
x64_p2 = Processor.ReadPmc(2);
x64_p3 = Processor.ReadPmc(3);
#endif
endInterruptCount = ProcessService.GetKernelInterruptCount();
endSwitchCount = ProcessService.GetContextSwitchCount();
endKernelGcCount = ProcessService.GetKernelGcCount();
int collectorCount;
long collectorMillis;
long collectorBytes;
GC.PerformanceCounters(out collectorCount,
out collectorMillis,
out collectorBytes);
endProcessGcCount = collectorCount;
ulong allocatedCount;
ulong allocatedBytes;
ulong freedCount;
ulong freedBytes;
PageTableService.GetUsageStatistics(out allocatedCount,
out allocatedBytes,
out freedCount,
out freedBytes);
endAllocatedCount = allocatedCount;
endAllocatedBytes = allocatedBytes;
endFreedCount = freedCount;
endFreedBytes = freedBytes;
ulong stackGets;
ulong stackRets;
StackService.GetUsageStatistics(out stackGets,
out stackRets);
endStackGets = stackGets;
endStackRets = stackRets;
if (!AtRing3)
{
Processor.RestoreLocalPreemption(disabled);
}
this.iterations = iterations;
}
public void Start()
{
if (!AtRing3)
{
disabled = Processor.DisableLocalPreemption();
}
int collectorCount;
long collectorMillis;
long collectorBytes;
GC.PerformanceCounters(out collectorCount,
out collectorMillis,
out collectorBytes);
ulong stackGets;
ulong stackRets;
StackService.GetUsageStatistics(out stackGets,
out stackRets);
begStackGets = stackGets;
begStackRets = stackRets;
ulong allocatedCount;
ulong allocatedBytes;
ulong freedCount;
ulong freedBytes;
PageTableService.GetUsageStatistics(out allocatedCount,
out allocatedBytes,
out freedCount,
out freedBytes);
begAllocatedCount = allocatedCount;
begAllocatedBytes = allocatedBytes;
begFreedCount = freedCount;
begFreedBytes = freedBytes;
begInterruptCount = ProcessService.GetKernelInterruptCount();
begSwitchCount = ProcessService.GetContextSwitchCount();
begKernelGcCount = ProcessService.GetKernelGcCount();
begProcessGcCount = collectorCount;
#if x64_PERF
// Set up for perf counting
if (!AtRing3)
{
// Reset the performance counters to what we're interested in.
Reset(0, PerfEvtSel.COUNT | PerfEvtSel.CyclesNotHalted);
Reset(1, PerfEvtSel.COUNT | PerfEvtSel.RetiredInstructions);
Reset(2, PerfEvtSel.COUNT | PerfEvtSel.RetiredBranchInstructions);
Reset(3, PerfEvtSel.COUNT | PerfEvtSel.RequestsToL2Cache | 0x400);
}
else
{
// We're not allowed to reset the perf counters, so take note
// of their current values; we will subtract from this later.
x64_i0 = Processor.ReadPmc(0);
x64_i1 = Processor.ReadPmc(1);
x64_i2 = Processor.ReadPmc(2);
x64_i3 = Processor.ReadPmc(3);
}
#endif
begCycleCount = unchecked ((long)Processor.CycleCount);
}