[IndexedDB] Adding traces, perf tests

content/browser/indexed_db/leveldb/leveldb_database.cc

 // Copyright (c) 2013 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 "content/browser/indexed_db/leveldb/leveldb_database.h"
 
 #include <cerrno>
 
 #include "base/basictypes.h"
 #include "base/files/file.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "content/browser/indexed_db/indexed_db_class_factory.h"
+#include "content/browser/indexed_db/indexed_db_tracing.h"
 #include "content/browser/indexed_db/leveldb/leveldb_comparator.h"
 #include "content/browser/indexed_db/leveldb/leveldb_env.h"
 #include "content/browser/indexed_db/leveldb/leveldb_iterator_impl.h"
 #include "content/browser/indexed_db/leveldb/leveldb_write_batch.h"
 #include "third_party/leveldatabase/env_chromium.h"
 #include "third_party/leveldatabase/src/helpers/memenv/memenv.h"
 #include "third_party/leveldatabase/src/include/leveldb/db.h"
 #include "third_party/leveldatabase/src/include/leveldb/env.h"
 #include "third_party/leveldatabase/src/include/leveldb/filter_policy.h"
 #include "third_party/leveldatabase/src/include/leveldb/slice.h"
@@ skipping 236 matching lines @@
   if (s.IsIOError())
     ParseAndHistogramIOErrorDetails(histogram_name, s);
   else
     ParseAndHistogramCorruptionDetails(histogram_name, s);
 }
 
 leveldb::Status LevelDBDatabase::Open(const base::FilePath& file_name,
                                       const LevelDBComparator* comparator,
                                       scoped_ptr<LevelDBDatabase>* result,
                                       bool* is_disk_full) {
+  IDB_TRACE("LevelDBDatabase::Open");
   base::TimeTicks begin_time = base::TimeTicks::Now();
 
   scoped_ptr<ComparatorAdapter> comparator_adapter(
       new ComparatorAdapter(comparator));
 
   leveldb::DB* db;
   scoped_ptr<const leveldb::FilterPolicy> filter_policy;
   const leveldb::Status s = OpenDB(comparator_adapter.get(), LevelDBEnv::Get(),
                                    file_name, &db, &filter_policy);
 
@@ skipping 130 matching lines @@
   return scoped_ptr<LevelDBIterator>(
       IndexedDBClassFactory::Get()->CreateIteratorImpl(i.Pass()));
 }
 
 const LevelDBComparator* LevelDBDatabase::Comparator() const {
   return comparator_;
 }
 
 void LevelDBDatabase::Compact(const base::StringPiece& start,
                               const base::StringPiece& stop) {
+  IDB_TRACE("LevelDBDatabase::Compact");
   const leveldb::Slice start_slice = MakeSlice(start);
   const leveldb::Slice stop_slice = MakeSlice(stop);
   // NULL batch means just wait for earlier writes to be done
   db_->Write(leveldb::WriteOptions(), NULL);
   db_->CompactRange(&start_slice, &stop_slice);
 }
 
 void LevelDBDatabase::CompactAll() { db_->CompactRange(NULL, NULL); }
 
 }  // namespace content