QUIC - Measure how long the cert verification job has taken when we race

net/quic/chromium/quic_stream_factory.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/chromium/quic_stream_factory.h"
 
 #include <openssl/aead.h>
 
 #include <algorithm>
 #include <tuple>
@@ skipping 211 matching lines @@
     CertVerifierJob* job_;
   };
 
   CertVerifierJob(const QuicServerId& server_id,
                   int cert_verify_flags,
                   const BoundNetLog& net_log)
       : server_id_(server_id),
         verify_callback_(nullptr),
         verify_context_(base::WrapUnique(
             new ProofVerifyContextChromium(cert_verify_flags, net_log))),
+        start_time_(base::TimeTicks::Now()),
         net_log_(net_log),
         weak_factory_(this) {}
 
   ~CertVerifierJob() {
     if (verify_callback_)
       verify_callback_->Cancel();
   }
 
   // Starts verification of certs cached in the |crypto_config|.
   QuicAsyncStatus Run(QuicCryptoClientConfig* crypto_config,
                       const CompletionCallback& callback) {
     QuicCryptoClientConfig::CachedState* cached =
         crypto_config->LookupOrCreate(server_id_);
     ProofVerifierCallbackImpl* verify_callback =
         new ProofVerifierCallbackImpl(this);
     QuicAsyncStatus status = crypto_config->proof_verifier()->VerifyCertChain(
         server_id_.host(), cached->certs(), verify_context_.get(),
         &verify_error_details_, &verify_details_,
         std::unique_ptr<ProofVerifierCallback>(verify_callback));
     if (status == QUIC_PENDING) {
       verify_callback_ = verify_callback;
       callback_ = callback;
     }
     return status;
   }
 
   void OnComplete() {
+    UMA_HISTOGRAM_TIMES("Net.QuicSession.CertVerifierJob.CompleteTime",
+                        base::TimeTicks::Now() - start_time_);
     if (!callback_.is_null())
       callback_.Run(OK);
   }
 
   const QuicServerId& server_id() const { return server_id_; }
 
  private:
   QuicServerId server_id_;
   ProofVerifierCallbackImpl* verify_callback_;
   std::unique_ptr<ProofVerifyContext> verify_context_;
   std::unique_ptr<ProofVerifyDetails> verify_details_;
   std::string verify_error_details_;
+  base::TimeTicks start_time_;
   const BoundNetLog net_log_;
   CompletionCallback callback_;
   base::WeakPtrFactory<CertVerifierJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CertVerifierJob);
 };
 
 // Responsible for creating a new QUIC session to the specified server, and
 // for notifying any associated requests when complete.
 class QuicStreamFactory::Job {
@@ skipping 1757 matching lines @@
   // Since the session was active, there's no longer an
   // HttpStreamFactoryImpl::Job running which can mark it broken, unless the TCP
   // job also fails. So to avoid not using QUIC when we otherwise could, we mark
   // it as recently broken, which means that 0-RTT will be disabled but we'll
   // still race.
   http_server_properties_->MarkAlternativeServiceRecentlyBroken(
       alternative_service);
 }
 
 }  // namespace net