private void Analyze(FingerprintStoreEntry newEntry, Process pip, bool fromCacheLookup)
{
using (var watch = new CacheMissTimer(pip.PipId, this))
{
if (!IsCacheMissEligible(pip.PipId))
{
return;
}
TryGetFingerprintStoreEntry(pip, out FingerprintStoreEntry oldEntry);
PerformCacheMissAnalysis(pip, oldEntry, newEntry, fromCacheLookup);
}
}
internal void AnalyzeForCacheLookup(ProcessFingerprintComputationEventData data)
{
var pipId = data.PipId;
using (var watch = new CacheMissTimer(pipId, this))
{
// During cache-lookup, we only perform cache miss analysis for strong fingerprint misses.
if (!m_pipCacheMissesDict.TryGetValue(data.PipId, out PipCacheMissInfo info) ||
info.CacheMissType != PipCacheMissType.MissForDescriptorsDueToStrongFingerprints)
{
return;
}
if (!IsCacheMissEligible(pipId))
{
return;
}
Process pip = m_logTarget.GetProcess(pipId);
if (!TryGetFingerprintStoreEntry(pip, out FingerprintStoreEntry oldEntry))
{
return;
}
// WeakFingerprint must match
if (!string.Equals(oldEntry.PipToFingerprintKeys.Value.WeakFingerprint, data.WeakFingerprint.Hash.ToString()))
{
return;
}
foreach (var computation in data.StrongFingerprintComputations)
{
if (!computation.IsStrongFingerprintHit &&
string.Equals(ContentHashToString(computation.PathSetHash), oldEntry.PipToFingerprintKeys.Value.PathSetHash))
{
// If pathSets do match and it is a strongfingerprint miss, we can perform the cache miss analysis
// First, we need to create the entry.
var pipFingerprintKeys = new PipFingerprintKeys(data.WeakFingerprint, computation.ComputedStrongFingerprint, ContentHashToString(computation.PathSetHash));
var newEntry = m_logTarget.CreateFingerprintStoreEntry(pip, pipFingerprintKeys, data.WeakFingerprint, computation);
Counters.IncrementCounter(FingerprintStoreCounters.CacheMissAnalysisCacheLookupAnalyzeCount);
PerformCacheMissAnalysis(pip, oldEntry, newEntry, true);
return;
}
}
}
}
internal void AnalyzeForExecution(FingerprintStoreEntry newEntry, Process pip)
{
using (var watch = new CacheMissTimer(pip.PipId, this))
{
if (!IsCacheMissEligible(pip.PipId))
{
return;
}
if (!TryGetFingerprintStoreEntry(pip, out FingerprintStoreEntry oldEntry))
{
return;
}
PerformCacheMissAnalysis(pip, oldEntry, newEntry, false);
}
}
