432 lines
17 KiB
C#
432 lines
17 KiB
C#
///////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// Note: Singularity micro-benchmark program.
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//
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using Microsoft.Singularity;
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using Microsoft.Singularity.V1.Services;
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using Microsoft.Singularity.V1.Threads;
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using System;
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using System.Runtime.CompilerServices;
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using System.Diagnostics;
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using System.Threading;
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using Microsoft.Singularity.Channels;
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using Microsoft.Contracts;
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using Microsoft.SingSharp.Reflection;
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using Microsoft.Singularity.Applications;
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using Microsoft.Singularity.Io;
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using Microsoft.Singularity.Configuration;
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[assembly: Transform(typeof(ApplicationResourceTransform))]
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namespace Microsoft.Singularity.Applications
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{
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[ConsoleCategory(HelpMessage="CreateProcess benchmark test", DefaultAction=true)]
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internal class Parameters
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{
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[InputEndpoint("data")]
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public readonly TRef<UnicodePipeContract.Exp:READY> Stdin;
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[OutputEndpoint("data")]
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public readonly TRef<UnicodePipeContract.Imp:READY> Stdout;
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[BoolParameter( "q", Default=false, HelpMessage="Quiet Mode.")]
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internal bool quietMode;
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[LongParameter( "r", Default=1, HelpMessage="Repetition count.")]
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internal long repetitions;
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reflective internal Parameters();
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internal int AppMain() {
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return CreateProcessTest.AppMain(this);
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}
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}
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//
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// The goal of this test is to time how long it takes to
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// create a process.
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//
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public class CreateProcessTest
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{
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private static bool AtRing3;
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#if x64_PERF
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[CLSCompliant(false)]
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public struct PerfEvtSel
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{
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// Bits and Flags
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public const uint CNT_MASK = 0xff000000;
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public const uint INV = 0x00800000;
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public const uint EN = 0x00400000;
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public const uint INT = 0x00100000;
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public const uint PC = 0x00080000;
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public const uint E = 0x00040000;
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public const uint OS = 0x00020000;
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public const uint USR = 0x00010000;
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public const uint UNIT_MASK = 0x0000ff00;
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public const uint SELECTOR = 0x000000ff;
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// Common setting: Count all, but don't interrupt,
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public const uint COUNT = (EN | PC | OS | USR);
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// Selector values.
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public const uint DtlbL1MissL2Hit = 0x45; // Speculative
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public const uint DtlbL1MissL2Miss = 0x46; // Speculative
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public const uint CyclesNotHalted = 0x76;
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public const uint RequestsToL2Cache = 0x7d;
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public const uint ItlbL1MissL2Hit = 0x84;
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public const uint ItlbL1MissL2Miss = 0x85;
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public const uint RetiredInstructions = 0xc0;
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public const uint RetiredBranchInstructions = 0xc2;
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public const uint RetiredBranchesMispredicted = 0xc3;
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public const uint RetiredBranchesTaken = 0xc4;
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public const uint CyclesInterruptsMasked = 0xcd;
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public const uint CyclesInterruptsBlocked = 0xce;
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}
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public static void Reset(uint pmc, ulong value)
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{
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// Clear the event selector.
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Processor.WriteMsr(0xc0010000 + pmc, 0);
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// Clear the performance counter.
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Processor.WriteMsr(0xc0010004 + pmc, 0);
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// Enable the event selector.
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Processor.WriteMsr(0xc0010000 + pmc, value);
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}
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public static string EvtSelToString(ulong value)
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{
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switch (value & 0xff) {
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case PerfEvtSel.DtlbL1MissL2Hit: return "DTLB_L2_Hit";
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case PerfEvtSel.DtlbL1MissL2Miss: return "DTBL_L2_Miss";
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case PerfEvtSel.CyclesNotHalted: return "CyclesNotHalted";
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case PerfEvtSel.RequestsToL2Cache: return "TLB_L2_Requests";
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case PerfEvtSel.ItlbL1MissL2Hit: return "ITLB_L2_Hit";
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case PerfEvtSel.ItlbL1MissL2Miss: return "ITLB_L2_Miss";
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case PerfEvtSel.RetiredInstructions: return "Retired_Inst.";
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case PerfEvtSel.RetiredBranchInstructions: return "Branches";
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case PerfEvtSel.RetiredBranchesMispredicted:return "Br_Mispredicted";
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case PerfEvtSel.RetiredBranchesTaken: return "Br_Taken";
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case PerfEvtSel.CyclesInterruptsMasked: return "Ints_Masked (cyc)";
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case PerfEvtSel.CyclesInterruptsBlocked: return "Ints_Blocked (cyc)";
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default:
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return String.Format("{0:x16}", value);
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}
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}
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private static ulong x64_i0, x64_p0;
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private static ulong x64_i1, x64_p1;
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private static ulong x64_i2, x64_p2;
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private static ulong x64_i3, x64_p3;
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#endif
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private static void DualWriteLine(string message)
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{
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Console.WriteLine(message);
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DebugStub.WriteLine(message);
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}
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public struct PerfSnap
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{
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private bool disabled;
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private long begCycleCount;
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private long endCycleCount;
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private long begSwitchCount;
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private long endSwitchCount;
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private long begInterruptCount;
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private long endInterruptCount;
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private long begKernelGcCount;
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private long endKernelGcCount;
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private long begProcessGcCount;
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private long endProcessGcCount;
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private long iterations;
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private ulong begAllocatedCount;
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private ulong begAllocatedBytes;
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private ulong begFreedCount;
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private ulong begFreedBytes;
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private ulong endAllocatedCount;
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private ulong endAllocatedBytes;
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private ulong endFreedCount;
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private ulong endFreedBytes;
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private ulong begStackGets;
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private ulong begStackRets;
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private ulong endStackGets;
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private ulong endStackRets;
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public long Cycles { get { return endCycleCount - begCycleCount; } }
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public long Interrupts { get { return endInterruptCount - begInterruptCount; } }
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public long Switches { get { return endSwitchCount - begSwitchCount; } }
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public long KernelGCs { get { return endKernelGcCount - begKernelGcCount; } }
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public long ProcessGCs { get { return endProcessGcCount - begProcessGcCount; } }
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public ulong AllocatedCount { get { return endAllocatedCount-begAllocatedCount; } }
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public ulong AllocatedBytes { get { return endAllocatedBytes-begAllocatedBytes; } }
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public ulong FreedCount { get { return endFreedCount - begFreedCount; } }
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public ulong FreedBytes { get { return endFreedBytes - begFreedBytes; } }
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public ulong StackGets { get { return endStackGets - begStackGets; } }
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public ulong StackRets { get { return endStackRets - begStackRets; } }
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public void Start()
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{
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if (!AtRing3) {
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disabled = Processor.DisableLocalPreemption();
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}
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int collectorCount;
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long collectorMillis;
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long collectorBytes;
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GC.PerformanceCounters(out collectorCount,
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out collectorMillis,
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out collectorBytes);
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ulong stackGets;
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ulong stackRets;
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StackService.GetUsageStatistics(out stackGets,
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out stackRets);
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begStackGets = stackGets;
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begStackRets = stackRets;
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ulong allocatedCount;
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ulong allocatedBytes;
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ulong freedCount;
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ulong freedBytes;
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PageTableService.GetUsageStatistics(out allocatedCount,
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out allocatedBytes,
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out freedCount,
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out freedBytes);
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begAllocatedCount = allocatedCount;
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begAllocatedBytes = allocatedBytes;
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begFreedCount = freedCount;
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begFreedBytes = freedBytes;
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begInterruptCount = ProcessService.GetKernelInterruptCount();
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begSwitchCount = ProcessService.GetContextSwitchCount();
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begKernelGcCount = ProcessService.GetKernelGcCount();
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begProcessGcCount = collectorCount;
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#if x64_PERF
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// Set up for perf counting
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if (!AtRing3) {
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// Reset the performance counters to what we're interested in.
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Reset(0, PerfEvtSel.COUNT | PerfEvtSel.CyclesNotHalted);
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Reset(1, PerfEvtSel.COUNT | PerfEvtSel.RetiredInstructions);
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Reset(2, PerfEvtSel.COUNT | PerfEvtSel.RetiredBranchInstructions);
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Reset(3, PerfEvtSel.COUNT | PerfEvtSel.RequestsToL2Cache | 0x400);
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}
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else {
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// We're not allowed to reset the perf counters, so take note
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// of their current values; we will subtract from this later.
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x64_i0 = Processor.ReadPmc(0);
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x64_i1 = Processor.ReadPmc(1);
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x64_i2 = Processor.ReadPmc(2);
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x64_i3 = Processor.ReadPmc(3);
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}
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#endif
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begCycleCount = unchecked((long)Processor.CycleCount);
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}
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public void Finish(long iterations)
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{
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endCycleCount = unchecked((long)Processor.CycleCount);
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#if X64_PERF
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x64_p0 = Processor.ReadPmc(0);
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x64_p1 = Processor.ReadPmc(1);
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x64_p2 = Processor.ReadPmc(2);
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x64_p3 = Processor.ReadPmc(3);
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#endif
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endInterruptCount = ProcessService.GetKernelInterruptCount();
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endSwitchCount = ProcessService.GetContextSwitchCount();
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endKernelGcCount = ProcessService.GetKernelGcCount();
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int collectorCount;
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long collectorMillis;
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long collectorBytes;
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GC.PerformanceCounters(out collectorCount,
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out collectorMillis,
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out collectorBytes);
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endProcessGcCount = collectorCount;
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ulong allocatedCount;
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ulong allocatedBytes;
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ulong freedCount;
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ulong freedBytes;
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PageTableService.GetUsageStatistics(out allocatedCount,
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out allocatedBytes,
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out freedCount,
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out freedBytes);
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endAllocatedCount = allocatedCount;
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endAllocatedBytes = allocatedBytes;
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endFreedCount = freedCount;
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endFreedBytes = freedBytes;
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ulong stackGets;
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ulong stackRets;
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StackService.GetUsageStatistics(out stackGets,
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out stackRets);
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endStackGets = stackGets;
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endStackRets = stackRets;
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if (!AtRing3) {
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Processor.RestoreLocalPreemption(disabled);
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}
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this.iterations = iterations;
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}
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public void Display(string name)
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{
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DualWriteLine(
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String.Format("{0,-16} {1,6:d} x{2,8:d} ={3,12:d} " +
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"[swi={4,6:d} int={5,3:d} gc={6:d}/{7:d}]",
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name,
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iterations,
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Cycles / iterations,
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Cycles,
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Switches,
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Interrupts,
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KernelGCs,
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ProcessGCs)
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);
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if (AllocatedCount != 0 || FreedCount != 0 || StackGets != 0) {
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DualWriteLine(
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string.Format(
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" " +
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"[alloc={0,4:d}/{1,8:x} free={2,4:d}/{3,8:x} " +
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"stack={4,4:d}/{5,4:d}]",
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AllocatedCount,
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AllocatedBytes,
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FreedCount,
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FreedBytes,
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StackGets,
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StackRets)
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);
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}
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#if x64_PERF
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if (!AtRing3) {
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// Read off the current MSR values and turn them
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// into nice labels
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ulong e0 = Processor.ReadMsr(0xc0010000);
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ulong e1 = Processor.ReadMsr(0xc0010001);
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ulong e2 = Processor.ReadMsr(0xc0010002);
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ulong e3 = Processor.ReadMsr(0xc0010003);
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DualWriteLine(
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String.Format("evt: {0,16} {1,16} {2,16} {3,16}",
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EvtSelToString(e0),
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EvtSelToString(e1),
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EvtSelToString(e2),
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EvtSelToString(e3)));
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}
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else {
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// Subtract from the initial perf-counter values to
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// get the delta we want
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x64_p0 -= x64_i0;
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x64_p1 -= x64_i1;
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x64_p2 -= x64_i2;
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x64_p3 -= x64_i3;
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}
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DualWriteLine(
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String.Format("pmc: {0:d16} {1:d16} {2:d16} {3:d16} {4:d16}\n\n",
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Cycles, x64_p0, x64_p1, x64_p2, x64_p3));
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#endif
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}
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}
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internal static int AppMain(Parameters! config)
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{
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bool runQuiet = config.quietMode;
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long repetitions = config.repetitions;
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Console.Write("\nProcess creation test\n\n");
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string [] arguments;
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for (long i = 0; i < repetitions; i++) {
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arguments = new string[2];
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arguments[0] = "testpe";
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arguments[1] = "!"; // Special flag to not notify debugger.
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TimeProcess(arguments, runQuiet);
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}
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return 0;
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}
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public static void TimeProcess(String[]! args, bool runQuiet)
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{
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ulong baseline;
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ulong created;
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ulong started;
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ulong exited;
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Process process = null;
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PerfSnap snap = new PerfSnap();
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snap.Start();
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try {
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ProcessService.Waypoint0();
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baseline = Processor.CycleCount;
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//
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// Time process creation.
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//
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ProcessService.Waypoint(1500);
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process = new Process(args);
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created = Processor.CycleCount;
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//
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// Time process start.
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//
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ProcessService.Waypoint(1501);
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process.Start();
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started = Processor.CycleCount;
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ProcessService.Waypoint(1502);
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//
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// Time process execution.
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//
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process.Join();
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ProcessService.Waypoint(1503);
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exited = Processor.CycleCount;
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}
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finally {
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snap.Finish(1);
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}
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snap.Display("CreateProc");
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ProcessService.Waypoint(1504);
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process.Dispose(true);
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ProcessService.Waypoint(1505);
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ProcessService.WaypointDump();
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if (runQuiet) {
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return;
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}
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//
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// Tell the world.
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//
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Console.WriteLine();
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Console.WriteLine("Tested process: {0}", args[0]);
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Console.WriteLine("Create process: {0,15:d} cycles", created - baseline);
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Console.WriteLine("Start process: {0,15:d} cycles", started - created);
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Console.WriteLine("Run process: {0,15:d} cycles", exited - started);
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Console.WriteLine("Total: {0,15:d} cycles", exited - baseline);
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Console.WriteLine("Process.Create: {0,15:d} cycles", started - baseline);
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Console.WriteLine();
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Console.WriteLine();
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}
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}
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}
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