| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // The eviction policy is a very simple pure LRU, so the elements at the end of | 5 // The eviction policy is a very simple pure LRU, so the elements at the end of |
| 6 // the list are evicted until kCleanUpMargin free space is available. There is | 6 // the list are evicted until kCleanUpMargin free space is available. There is |
| 7 // only one list in use (Rankings::NO_USE), and elements are sent to the front | 7 // only one list in use (Rankings::NO_USE), and elements are sent to the front |
| 8 // of the list whenever they are accessed. | 8 // of the list whenever they are accessed. |
| 9 | 9 |
| 10 // The new (in-development) eviction policy adds re-use as a factor to evict | 10 // The new (in-development) eviction policy adds re-use as a factor to evict |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 | 28 |
| 29 #include "net/disk_cache/eviction.h" | 29 #include "net/disk_cache/eviction.h" |
| 30 | 30 |
| 31 #include "base/bind.h" | 31 #include "base/bind.h" |
| 32 #include "base/compiler_specific.h" | 32 #include "base/compiler_specific.h" |
| 33 #include "base/logging.h" | 33 #include "base/logging.h" |
| 34 #include "base/message_loop.h" | 34 #include "base/message_loop.h" |
| 35 #include "base/string_util.h" | 35 #include "base/string_util.h" |
| 36 #include "base/time.h" | 36 #include "base/time.h" |
| 37 #include "net/disk_cache/backend_impl.h" | 37 #include "net/disk_cache/backend_impl.h" |
| 38 #include "net/disk_cache/disk_format.h" |
| 38 #include "net/disk_cache/entry_impl.h" | 39 #include "net/disk_cache/entry_impl.h" |
| 39 #include "net/disk_cache/experiments.h" | 40 #include "net/disk_cache/experiments.h" |
| 40 #include "net/disk_cache/histogram_macros.h" | 41 #include "net/disk_cache/histogram_macros.h" |
| 41 #include "net/disk_cache/trace.h" | 42 #include "net/disk_cache/trace.h" |
| 42 | 43 |
| 43 using base::Time; | 44 using base::Time; |
| 44 using base::TimeTicks; | 45 using base::TimeTicks; |
| 45 | 46 |
| 46 namespace { | 47 namespace { |
| 47 | 48 |
| (...skipping 242 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 290 } else { | 291 } else { |
| 291 entry->DeleteEntryData(false); | 292 entry->DeleteEntryData(false); |
| 292 EntryStore* info = entry->entry()->Data(); | 293 EntryStore* info = entry->entry()->Data(); |
| 293 DCHECK_EQ(ENTRY_NORMAL, info->state); | 294 DCHECK_EQ(ENTRY_NORMAL, info->state); |
| 294 | 295 |
| 295 rankings_->Remove(entry->rankings(), GetListForEntryV2(entry), true); | 296 rankings_->Remove(entry->rankings(), GetListForEntryV2(entry), true); |
| 296 info->state = ENTRY_EVICTED; | 297 info->state = ENTRY_EVICTED; |
| 297 entry->entry()->Store(); | 298 entry->entry()->Store(); |
| 298 rankings_->Insert(entry->rankings(), true, Rankings::DELETED); | 299 rankings_->Insert(entry->rankings(), true, Rankings::DELETED); |
| 299 } | 300 } |
| 300 if (!empty) { | 301 if (!empty) |
| 301 backend_->OnEvent(Stats::TRIM_ENTRY); | 302 backend_->OnEvent(Stats::TRIM_ENTRY); |
| 302 | 303 |
| 303 static const char gajs[] = "http://www.google-analytics.com/ga.js"; | |
| 304 if (!entry->GetKey().compare(gajs)) | |
| 305 backend_->OnEvent(Stats::GAJS_EVICTED); | |
| 306 } | |
| 307 entry->Release(); | 304 entry->Release(); |
| 308 | 305 |
| 309 return true; | 306 return true; |
| 310 } | 307 } |
| 311 | 308 |
| 312 // ----------------------------------------------------------------------- | 309 // ----------------------------------------------------------------------- |
| 313 | 310 |
| 314 void Eviction::TrimCacheV2(bool empty) { | 311 void Eviction::TrimCacheV2(bool empty) { |
| 315 Trace("*** Trim Cache ***"); | 312 Trace("*** Trim Cache ***"); |
| 316 trimming_ = true; | 313 trimming_ = true; |
| (...skipping 269 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 586 Time::FromInternalValue(last2.get()->Data()->last_used)); | 583 Time::FromInternalValue(last2.get()->Data()->last_used)); |
| 587 if (last3.get()) | 584 if (last3.get()) |
| 588 CACHE_UMA(AGE, "HighUseAge", 0, | 585 CACHE_UMA(AGE, "HighUseAge", 0, |
| 589 Time::FromInternalValue(last3.get()->Data()->last_used)); | 586 Time::FromInternalValue(last3.get()->Data()->last_used)); |
| 590 if (last4.get()) | 587 if (last4.get()) |
| 591 CACHE_UMA(AGE, "DeletedAge", 0, | 588 CACHE_UMA(AGE, "DeletedAge", 0, |
| 592 Time::FromInternalValue(last4.get()->Data()->last_used)); | 589 Time::FromInternalValue(last4.get()->Data()->last_used)); |
| 593 } | 590 } |
| 594 | 591 |
| 595 } // namespace disk_cache | 592 } // namespace disk_cache |
| OLD | NEW |