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authoradeshkp <adeshkp@users.noreply.github.com>2019-01-12 06:20:31 -0500
committeradeshkp <adeshkp@users.noreply.github.com>2019-01-12 06:20:31 -0500
commit5335681cd2ab05ad47e81be7722c9eee19d54065 (patch)
treeeced0f22032c4f01229ac0a18b9ffb6219cea309 /netwerk/cache2/CacheStorageService.cpp
parentf38edc94a31de3bae839cf63ed57c3851908ac46 (diff)
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Telemetry: Remove stubs and related code
Diffstat (limited to 'netwerk/cache2/CacheStorageService.cpp')
-rw-r--r--netwerk/cache2/CacheStorageService.cpp98
1 files changed, 0 insertions, 98 deletions
diff --git a/netwerk/cache2/CacheStorageService.cpp b/netwerk/cache2/CacheStorageService.cpp
index 85f364e4e..3ee1e15cd 100644
--- a/netwerk/cache2/CacheStorageService.cpp
+++ b/netwerk/cache2/CacheStorageService.cpp
@@ -964,8 +964,6 @@ CacheStorageService::RegisterEntry(CacheEntry* aEntry)
if (mShutdown || !aEntry->CanRegister())
return;
- TelemetryRecordEntryCreation(aEntry);
-
LOG(("CacheStorageService::RegisterEntry [entry=%p]", aEntry));
MemoryPool& pool = Pool(aEntry->IsUsingDisk());
@@ -983,8 +981,6 @@ CacheStorageService::UnregisterEntry(CacheEntry* aEntry)
if (!aEntry->IsRegistered())
return;
- TelemetryRecordEntryRemoval(aEntry);
-
LOG(("CacheStorageService::UnregisterEntry [entry=%p]", aEntry));
MemoryPool& pool = Pool(aEntry->IsUsingDisk());
@@ -2018,100 +2014,6 @@ uint32_t CacheStorageService::CacheQueueSize(bool highPriority)
return thread->QueueSize(highPriority);
}
-// Telementry collection
-
-namespace {
-
-bool TelemetryEntryKey(CacheEntry const* entry, nsAutoCString& key)
-{
- nsAutoCString entryKey;
- nsresult rv = entry->HashingKey(entryKey);
- if (NS_FAILED(rv))
- return false;
-
- if (entry->GetStorageID().IsEmpty()) {
- // Hopefully this will be const-copied, saves some memory
- key = entryKey;
- } else {
- key.Assign(entry->GetStorageID());
- key.Append(':');
- key.Append(entryKey);
- }
-
- return true;
-}
-
-} // namespace
-
-void
-CacheStorageService::TelemetryPrune(TimeStamp &now)
-{
- static TimeDuration const oneMinute = TimeDuration::FromSeconds(60);
- static TimeStamp dontPruneUntil = now + oneMinute;
- if (now < dontPruneUntil)
- return;
-
- static TimeDuration const fifteenMinutes = TimeDuration::FromSeconds(900);
- for (auto iter = mPurgeTimeStamps.Iter(); !iter.Done(); iter.Next()) {
- if (now - iter.Data() > fifteenMinutes) {
- // We are not interested in resurrection of entries after 15 minutes
- // of time. This is also the limit for the telemetry.
- iter.Remove();
- }
- }
- dontPruneUntil = now + oneMinute;
-}
-
-void
-CacheStorageService::TelemetryRecordEntryCreation(CacheEntry const* entry)
-{
- MOZ_ASSERT(CacheStorageService::IsOnManagementThread());
-
- nsAutoCString key;
- if (!TelemetryEntryKey(entry, key))
- return;
-
- TimeStamp now = TimeStamp::NowLoRes();
- TelemetryPrune(now);
-
- // When an entry is craeted (registered actually) we check if there is
- // a timestamp marked when this very same cache entry has been removed
- // (deregistered) because of over-memory-limit purging. If there is such
- // a timestamp found accumulate telemetry on how long the entry was away.
- TimeStamp timeStamp;
- if (!mPurgeTimeStamps.Get(key, &timeStamp))
- return;
-
- mPurgeTimeStamps.Remove(key);
-
-}
-
-void
-CacheStorageService::TelemetryRecordEntryRemoval(CacheEntry const* entry)
-{
- MOZ_ASSERT(CacheStorageService::IsOnManagementThread());
-
- // Doomed entries must not be considered, we are only interested in purged
- // entries. Note that the mIsDoomed flag is always set before deregistration
- // happens.
- if (entry->IsDoomed())
- return;
-
- nsAutoCString key;
- if (!TelemetryEntryKey(entry, key))
- return;
-
- // When an entry is removed (deregistered actually) we put a timestamp for this
- // entry to the hashtable so that when the entry is created (registered) again
- // we know how long it was away. Also accumulate number of AsyncOpen calls on
- // the entry, this tells us how efficiently the pool actually works.
-
- TimeStamp now = TimeStamp::NowLoRes();
- TelemetryPrune(now);
- mPurgeTimeStamps.Put(key, now);
-
-}
-
// nsIMemoryReporter
size_t