pprof envoy memory compare

Showing nodes accounting for 790927.31kB, 95.10% of 831706.36kB total
Dropped 1182 nodes (cum <= 4158.53kB)
      flat  flat%   sum%        cum   cum%
  771708kB 92.79% 92.79% 771708.26kB 92.79%  Envoy::Buffer::OwnedImpl::add
 6775.90kB  0.81% 93.60%  6775.90kB  0.81%  nghttp2_bufs_init3
 5344.86kB  0.64% 94.24%  5344.86kB  0.64%  Envoy::Stats::FakeSymbolTableImpl::populateList
 2433.90kB  0.29% 94.54% 20326.57kB  2.44%  std::__1::__function::__func::operator()
 1538.20kB  0.18% 94.72%  7052.86kB  0.85%  Envoy::Upstream::ClusterManagerImpl::ThreadLocalClusterManagerImpl::ClusterEntry::ClusterEntry
 1035.22kB  0.12% 94.85%  9497.12kB  1.14%  session_new
  995.62kB  0.12% 94.97%  5186.22kB  0.62%  Envoy::Stats::AllocatorImpl::makeCounter
  616.44kB 0.074% 95.04% 11357.48kB  1.37%  Envoy::Upstream::ClusterImplBase::ClusterImplBase
  170.41kB  0.02% 95.06% 12266.94kB  1.47%  Envoy::Upstream::ClusterManagerImpl::loadCluster
  146.25kB 0.018% 95.08%  8930.62kB  1.07%  Envoy::Http::ConnectionManagerUtility::autoCreateCodec
  136.12kB 0.016% 95.09% 10045.08kB  1.21%  Envoy::Upstream::EdsClusterFactory::createClusterImpl
   26.53kB 0.0032% 95.10% 10483.71kB  1.26%  Envoy::Upstream::ClusterInfoImpl::ClusterInfoImpl
   -0.08kB 9.4e-06% 95.10% 13622.70kB  1.64%  Envoy::Grpc::AsyncStreamCallbacks::onReceiveMessageRaw
   -0.07kB 8.5e-06% 95.10% 12183.32kB  1.46%  Envoy::Upstream::CdsApiImpl::onConfigUpdate
         0     0% 95.10%   771704kB 92.79%  Envoy::Buffer::WatermarkBuffer::add
         0     0% 95.10% 13678.37kB  1.64%  Envoy::Config::GrpcMuxImpl::onDiscoveryResponse
         0     0% 95.10% 13829.47kB  1.66%  Envoy::Config::GrpcMuxSubscriptionImpl::onConfigUpdate
         0     0% 95.10% 10820.70kB  1.30%  Envoy::Event::DispatcherImpl::run
         0     0% 95.10% 10905.87kB  1.31%  Envoy::Event::DispatcherImpl::runPostCallbacks
         0     0% 95.10% 804659.88kB 96.75%  Envoy::Event::FileEventImpl::assignEvents(unsigned int)::$_0::__invoke
         0     0% 95.10%  8930.87kB  1.07%  Envoy::Extensions::NetworkFilters::HttpConnectionManager::HttpConnectionManagerConfig::createCodec
         0     0% 95.10% 13522.36kB  1.63%  Envoy::Grpc::AsyncStreamImpl::onData
         0     0% 95.10% 13499.01kB  1.62%  Envoy::Http::AsyncStreamImpl::encodeData
         0     0% 95.10% 12972.43kB  1.56%  Envoy::Http::CodecClient::CodecReadFilter::onData
         0     0% 95.10% 13620.65kB  1.64%  Envoy::Http::CodecClient::onData
         0     0% 95.10% 10546.92kB  1.27%  Envoy::Http::ConnectionManagerImpl::ActiveStream::decodeHeaders
         0     0% 95.10% 796708.93kB 95.79%  Envoy::Http::ConnectionManagerImpl::onData
         0     0% 95.10%   771704kB 92.79%  Envoy::Http::Http2::ConnectionImpl::Http2Callbacks::Http2Callbacks()::$_9::__invoke
         0     0% 95.10% 801304.25kB 96.34%  Envoy::Http::Http2::ConnectionImpl::dispatch
         0     0% 95.10% 26003.80kB  3.13%  Envoy::Http::Http2::ConnectionImpl::onFrameReceived
         0     0% 95.10%  8781.18kB  1.06%  Envoy::Http::Http2::ServerConnectionImpl::ServerConnectionImpl
         0     0% 95.10% 787193.64kB 94.65%  Envoy::Http::Http2::ServerConnectionImpl::dispatch
         0     0% 95.10%  6293.49kB  0.76%  Envoy::Http::Mixer::Filter::decodeHeaders
         0     0% 95.10% 804098.85kB 96.68%  Envoy::Network::ConnectionImpl::onFileEvent
         0     0% 95.10% 803586.41kB 96.62%  Envoy::Network::ConnectionImpl::onReadReady
         0     0% 95.10% 805226.29kB 96.82%  Envoy::Network::FilterManagerImpl::onContinueReading
         0     0% 95.10% 13527.94kB  1.63%  Envoy::Router::Filter::UpstreamRequest::decodeData
         0     0% 95.10% 812648.84kB 97.71%  Envoy::Server::WorkerImpl::threadRoutine
         0     0% 95.10%  5344.86kB  0.64%  Envoy::Stats::MetricHelper::MetricHelper
         0     0% 95.10%  5344.86kB  0.64%  Envoy::Stats::MetricImpl::MetricImpl
         0     0% 95.10%  6405.20kB  0.77%  Envoy::Stats::ThreadLocalStoreImpl::ScopeImpl::counter
         0     0% 95.10%  6427.44kB  0.77%  Envoy::Stats::ThreadLocalStoreImpl::ScopeImpl::counterFromStatName
         0     0% 95.10%  8153.13kB  0.98%  Envoy::Stats::ThreadLocalStoreImpl::ScopeImpl::safeMakeStat
         0     0% 95.10% 812421.14kB 97.68%  Envoy::Thread::ThreadImplPosix::ThreadImplPosix(std::__1::function)::$_0::__invoke
         0     0% 95.10% 11831.56kB  1.42%  Envoy::Upstream::ClusterFactoryImplBase::create
         0     0% 95.10%  8673.13kB  1.04%  Envoy::Upstream::ClusterInfoImpl::generateStats
         0     0% 95.10% 12758.44kB  1.53%  Envoy::Upstream::ClusterManagerImpl::addOrUpdateCluster
         0     0% 95.10%  9892.81kB  1.19%  Envoy::Upstream::EdsClusterImpl::EdsClusterImpl
         0     0% 95.10% 11831.56kB  1.42%  Envoy::Upstream::ProdClusterManagerFactory::clusterFromProto
         0     0% 95.10% 812382.05kB 97.68%  [libpthread-2.23.so]
         0     0% 95.10% 805103.20kB 96.80%  event_base_loop
         0     0% 95.10% 805344.60kB 96.83%  event_process_active_single_queue
         0     0% 95.10%  5950.79kB  0.72%  istio::control::http::RequestHandlerImpl::Check
         0     0% 95.10% 801532.44kB 96.37%  nghttp2_session_mem_recv
         0     0% 95.10% 15606.54kB  1.88%  nghttp2_session_on_data_received
         0     0% 95.10%  8778.81kB  1.06%  nghttp2_session_server_new2
         0     0% 95.10%  8930.87kB  1.07%  non-virtual thunk to Envoy::Extensions::NetworkFilters::HttpConnectionManager::HttpConnectionManagerConfig::createCodec(Envoy::Network::Connection&, Envoy::Buffer::Instance const&, Envoy::Http::ServerConnectionCallbacks&)