private void PerformCacheMissAnalysis(Process pip, FingerprintStoreEntry oldEntry, FingerprintStoreEntry newEntry, bool fromCacheLookup)
{
string pipDescription = pip.GetDescription(m_context);
try
{
if (!m_pipCacheMissesDict.TryRemove(pip.PipId, out var missInfo))
{
return;
}
MarkPipAsChanged(pip.PipId);
if (Interlocked.Increment(ref m_numCacheMissPerformed) >= s_maxCacheMissCanPerform)
{
return;
}
if (fromCacheLookup)
{
Counters.IncrementCounter(FingerprintStoreCounters.CacheMissAnalysisAnalyzeCacheLookUpCount);
}
else
{
Counters.IncrementCounter(FingerprintStoreCounters.CacheMissAnalysisAnalyzeExecutionCount);
}
using (var pool = Pools.StringBuilderPool.GetInstance())
using (var writer = new StringWriter(pool.Instance))
using (Counters.StartStopwatch(FingerprintStoreCounters.CacheMissAnalysisAnalyzeDuration))
{
CacheMissAnalysisUtilities.AnalyzeCacheMiss(
writer,
missInfo,
() => new FingerprintStoreReader.PipRecordingSession(PreviousFingerprintStore, oldEntry),
() => new FingerprintStoreReader.PipRecordingSession(m_logTarget.ExecutionFingerprintStore, newEntry),
m_cacheMissDiffFormat);
// The diff sometimes contains several empty new lines at the end.
var reason = writer.ToString().TrimEnd(Environment.NewLine.ToCharArray());
pipDescription = pip.GetDescription(m_context);
Logger.Log.CacheMissAnalysis(m_loggingContext, pipDescription, reason, fromCacheLookup);
}
}
catch (Exception ex)
{
// Cache miss analysis shouldn't fail the build
Logger.Log.CacheMissAnalysisException(m_loggingContext, pipDescription, ex.ToString(), oldEntry?.PipToFingerprintKeys.ToString(), newEntry?.PipToFingerprintKeys.ToString());
}
}
private void PerformCacheMissAnalysis(Process pip, FingerprintStoreEntry oldEntry, FingerprintStoreEntry newEntry, bool fromCacheLookup)
{
Contract.Requires(pip != null);
string pipDescription = pip.GetDescription(m_context);
try
{
if (!m_pipCacheMissesDict.TryRemove(pip.PipId, out var missInfo))
{
return;
}
MarkPipAsChanged(pip.PipId);
if (fromCacheLookup)
{
Counters.IncrementCounter(FingerprintStoreCounters.CacheMissAnalysisAnalyzeCacheLookUpCount);
}
else
{
Counters.IncrementCounter(FingerprintStoreCounters.CacheMissAnalysisAnalyzeExecutionCount);
}
using (var pool = Pools.StringBuilderPool.GetInstance())
using (Counters.StartStopwatch(FingerprintStoreCounters.CacheMissAnalysisAnalyzeDuration))
{
var resultAndDetail = CacheMissAnalysisUtilities.AnalyzeCacheMiss(
missInfo,
() => new FingerprintStoreReader.PipRecordingSession(PreviousFingerprintStore, oldEntry),
() => new FingerprintStoreReader.PipRecordingSession(m_logTarget.ExecutionFingerprintStore, newEntry),
m_cacheMissDiffFormat);
pipDescription = pip.GetDescription(m_context);
if (m_batchLoggingQueue != null)
{
m_batchLoggingQueue.Enqueue(resultAndDetail.Detail.ToJObjectWithPipInfo(pip.FormattedSemiStableHash, pipDescription, fromCacheLookup));
}
else
{
var detail = new JObject(
new JProperty(nameof(resultAndDetail.Detail.ActualMissType), resultAndDetail.Detail.ActualMissType),
new JProperty(nameof(resultAndDetail.Detail.ReasonFromAnalysis), resultAndDetail.Detail.ReasonFromAnalysis),
new JProperty(nameof(resultAndDetail.Detail.Info), resultAndDetail.Detail.Info)).ToString();
Logger.Log.CacheMissAnalysis(m_loggingContext, pipDescription, detail, fromCacheLookup);
}
m_testHooks?.AddCacheMiss(
pip.PipId,
new FingerprintStoreTestHooks.CacheMissData
{
DetailAndResult = resultAndDetail,
IsFromCacheLookUp = fromCacheLookup
});
}
}
catch (Exception ex)
{
// Cache miss analysis shouldn't fail the build
Logger.Log.CacheMissAnalysisException(m_loggingContext, pipDescription, ex.ToString(), oldEntry?.PipToFingerprintKeys.ToString(), newEntry?.PipToFingerprintKeys.ToString());
}
}
