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 |