[NOT FOR REVIEW] Instrument net/ with trace events.

net/cert/multi_threaded_cert_verifier.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/cert/multi_threaded_cert_verifier.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 11 matching lines @@
 #include "base/values.h"
 #include "net/base/hash_value.h"
 #include "net/base/net_errors.h"
 #include "net/cert/cert_trust_anchor_provider.h"
 #include "net/cert/cert_verify_proc.h"
 #include "net/cert/crl_set.h"
 #include "net/cert/x509_certificate.h"
 #include "net/cert/x509_certificate_net_log_param.h"
 #include "net/log/net_log.h"
 
+#include "base/trace_event/trace_event.h"
+
 #if defined(USE_NSS_CERTS) || defined(OS_IOS)
 #include <private/pprthred.h>  // PR_DetachThread
 #endif
 
 namespace net {
 
 ////////////////////////////////////////////////////////////////////////////
 //
 // MultiThreadedCertVerifier is a thread-unsafe object which lives, dies, and is
 // operated on a single thread, henceforth referred to as the "origin" thread.
@@ skipping 185 matching lines @@
 // thread. The output parameters (error and result) must remain alive.
 void DoVerifyOnWorkerThread(const scoped_refptr<CertVerifyProc>& verify_proc,
                             const scoped_refptr<X509Certificate>& cert,
                             const std::string& hostname,
                             const std::string& ocsp_response,
                             int flags,
                             const scoped_refptr<CRLSet>& crl_set,
                             const CertificateList& additional_trust_anchors,
                             int* error,
                             CertVerifyResult* result) {
+  TRACE_EVENT0("net", "net::DoVerifyOnWorkerThread");
   *error = verify_proc->Verify(cert.get(), hostname, ocsp_response, flags,
                                crl_set.get(), additional_trust_anchors, result);
 
 #if defined(USE_NSS_CERTS) || defined(OS_IOS)
     // Detach the thread from NSPR.
     // Calling NSS functions attaches the thread to NSPR, which stores
     // the NSPR thread ID in thread-specific data.
     // The threads in our thread pool terminate after we have called
     // PR_Cleanup.  Unless we detach them from NSPR, net_unittests gets
     // segfaults on shutdown when the threads' thread-specific data
@@ skipping 105 matching lines @@
       UMA_HISTOGRAM_CUSTOM_TIMES("Net.CertVerifier_First_Job_Latency",
                                  latency,
                                  base::TimeDelta::FromMilliseconds(1),
                                  base::TimeDelta::FromMinutes(10),
                                  100);
     }
   }
 
   void OnJobCompleted(
       scoped_ptr<MultiThreadedCertVerifier::CachedResult> verify_result) {
+    TRACE_EVENT0("net", "net::CertVerifierJob::OnJobCompleted");
     scoped_ptr<CertVerifierJob> keep_alive = cert_verifier_->RemoveJob(this);
 
     LogMetrics(*verify_result);
     cert_verifier_->SaveResultToCache(key_, *verify_result);
     cert_verifier_ = nullptr;
 
     // TODO(eroman): If the cert_verifier_ is deleted from within one of the
     // callbacks, any remaining requests for that job should be cancelled. Right
     // now they will be called.
     while (!requests_.empty()) {
@@ skipping 213 matching lines @@
   // search.
   auto it = std::lower_bound(inflight_.begin(), inflight_.end(), key,
                              JobToRequestParamsComparator());
   if (it != inflight_.end() && !(key < (*it)->key()))
     return *it;
   return nullptr;
 }
 
 }  // namespace net