/// <inheritdoc />
public override void Dispose()
{
m_perfCollector?.Cancel();
m_perfCollector?.Join();
m_perfCollector?.Dispose();
m_timeoutTaskCancelationSource.Cancel();
ulong reportCount = (ulong)Counters.GetCounterValue(SandboxedProcessCounters.AccessReportCount);
if (reportCount > 0)
{
Counters.AddToCounter(SandboxedProcessCounters.SumOfAccessReportAvgQueueTimeUs, (long)(m_sumOfReportQueueTimesUs / reportCount));
Counters.AddToCounter(SandboxedProcessCounters.SumOfAccessReportAvgCreationTimeUs, (long)(m_sumOfReportCreationTimesUs / reportCount));
}
if (!Killed)
{
// Try to kill all processes once the parent gets disposed, so we clean up all used
// system resources appropriately
KillAllChildProcesses();
}
if (m_pipKextStats != null)
{
var statsJson = Newtonsoft.Json.JsonConvert.SerializeObject(m_pipKextStats.Value);
LogProcessState($"Process Kext Stats: {statsJson}");
}
base.Dispose();
}
private string GetFileIODuration(Stream?resultStream)
{
if (resultStream is TrackingFileStream tfs)
{
Counters.AddToCounter(GrpcContentServerCounters.StreamContentReadFromDiskDuration, tfs.ReadDuration);
return($"{tfs.ReadDuration.TotalMilliseconds}ms");
}
return(string.Empty);
}
/// <summary>
/// The batch log payload example:
/// {"CacheMissAnalysisResults":
/// {
/// Pip123: {
/// Description:
/// FromCacheLookUp:
/// Detail: {
/// ActualMissType: ...
/// ReasonFromAnalysis: ...
/// Info: ...
/// }
/// },
/// Pip345: {
/// Description:
/// FromCacheLookUp:
/// Detail: {
/// ActualMissType: ...
/// ReasonFromAnalysis: ...
/// Info: ...
/// }
/// },
/// }
///}
/// </summary>
internal Task <Unit> BatchLogging(JProperty[] results)
{
// Use JsonTextWritter for 2 reasons:
// 1. easily control when to start a new log event and when to end it.
// 2. according to some research, manually serialization with JsonTextWritter can improve performance.
using (Counters.StartStopwatch(FingerprintStoreCounters.CacheMissBatchLoggingTime))
{
ProcessResults(results, m_configuration, m_loggingContext);
Counters.AddToCounter(FingerprintStoreCounters.CacheMissBatchingDequeueCount, results.Length);
return(Unit.VoidTask);
}
}
/// <inheritdoc />
public override void Dispose()
{
m_timeoutTaskCancelationSource.Cancel();
var reportCount = Counters.GetCounterValue(SandboxedProcessCounters.AccessReportCount);
if (reportCount > 0)
{
Counters.AddToCounter(SandboxedProcessCounters.SumOfAccessReportAvgQueueTimeUs, m_sumOfReportQueueTimesUs / reportCount);
Counters.AddToCounter(SandboxedProcessCounters.SumOfAccessReportAvgCreationTimeUs, m_sumOfReportCreationTimesUs / reportCount);
}
if (!Killed)
{
// Try to kill all processes once the parent gets disposed, so we clean up all used
// system resources appropriately
KillAllChildProcesses();
}
base.Dispose();
}
private void SaveInternal(string fileContentTablePath)
{
Contract.Requires(!string.IsNullOrWhiteSpace(fileContentTablePath));
Contract.EnsuresOnThrow <BuildXLException>(true);
ExceptionUtilities.HandleRecoverableIOException(
() =>
{
int numEvicted = 0;
Directory.CreateDirectory(Path.GetDirectoryName(fileContentTablePath));
// Note that we are using a non-async file stream here. That's because we're doing lots of tiny writes for simplicity,
// but tiny writes on an async stream end up blocking anyway while adding silly overhead.
using (FileStream stream = FileUtilities.CreateFileStream(
fileContentTablePath,
FileMode.Create,
FileAccess.Write,
FileShare.Delete,
// Do not write the file with SequentialScan since it will be reread in the subsequent build
FileOptions.None))
{
// We don't have anything in particular to correlate this file to,
// so we are simply creating a unique correlation id that is used as part
// of the header consistency check.
FileEnvelopeId correlationId = FileEnvelopeId.Create();
s_fileEnvelope.WriteHeader(stream, correlationId);
using (var writer = new BuildXLWriter(debug: false, stream: stream, leaveOpen: true, logStats: false))
{
long numberOfEntriesPosition = writer.BaseStream.Position;
writer.Write(0U);
uint entriesWritten = 0;
var hashBuffer = new byte[ContentHashingUtilities.HashInfo.ByteLength];
foreach (var fileAndEntryPair in m_entries)
{
// Skip saving anything with a TTL of zero. These entries were loaded
// with a TTL of one (immediately decremented) and were not used since load.
// See class remarks.
if (fileAndEntryPair.Value.TimeToLive == 0)
{
numEvicted++;
continue;
}
// Key: Volume and File ID
fileAndEntryPair.Key.Serialize(writer);
// Entry: USN, hash, time to live.
writer.Write(fileAndEntryPair.Value.Usn.Value);
fileAndEntryPair.Value.Hash.SerializeHashBytes(hashBuffer, 0);
writer.Write(hashBuffer);
writer.Write(fileAndEntryPair.Value.Length);
writer.Write(fileAndEntryPair.Value.TimeToLive);
entriesWritten++;
}
var endPosition = writer.BaseStream.Position;
writer.BaseStream.Position = numberOfEntriesPosition;
writer.Write(entriesWritten);
writer.BaseStream.Position = endPosition;
}
s_fileEnvelope.FixUpHeader(stream, correlationId);
}
Counters.AddToCounter(FileContentTableCounters.NumEvicted, numEvicted);
return(Unit.Void);
},
ex => { throw new BuildXLException("Failure writing file content table", ex); });
}
