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1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/chromeos/memory/oom_memory_details.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "base/process/process_metrics.h" | |
9 #include "base/strings/utf_string_conversions.h" | |
10 #include "chrome/browser/chromeos/memory/oom_memory_details.h" | |
11 #include "ui/base/text/bytes_formatting.h" | |
12 | |
13 namespace chromeos { | |
14 | |
15 // static | |
16 void OomMemoryDetails::Log(const std::string& title, | |
17 const base::Closure& callback) { | |
18 // Deletes itself upon completion. | |
19 OomMemoryDetails* details = new OomMemoryDetails(title, callback); | |
20 details->StartFetch(MemoryDetails::FROM_CHROME_ONLY); | |
21 } | |
22 | |
23 OomMemoryDetails::OomMemoryDetails(const std::string& title, | |
24 const base::Closure& callback) | |
25 : title_(title), callback_(callback) { | |
26 AddRef(); // Released in OnDetailsAvailable(). | |
27 start_time_ = base::TimeTicks::Now(); | |
28 } | |
29 | |
30 OomMemoryDetails::~OomMemoryDetails() { | |
31 } | |
32 | |
33 void OomMemoryDetails::OnDetailsAvailable() { | |
34 base::TimeDelta delta = base::TimeTicks::Now() - start_time_; | |
35 // These logs are collected by user feedback reports. We want them to help | |
36 // diagnose user-reported problems with frequently discarded tabs. | |
37 std::string log_string = ToLogString(); | |
38 base::SystemMemoryInfoKB memory; | |
39 if (base::GetSystemMemoryInfo(&memory) && memory.gem_size != -1) { | |
40 log_string += "Graphics "; | |
41 log_string += base::UTF16ToASCII(ui::FormatBytes(memory.gem_size)); | |
42 } | |
43 LOG(WARNING) << title_ << " (" << delta.InMilliseconds() << " ms):\n" | |
44 << log_string; | |
45 if (!callback_.is_null()) | |
46 callback_.Run(); | |
47 // Delete ourselves so we don't have to worry about OomPriorityManager | |
48 // deleting us when we're still working. | |
49 Release(); | |
50 } | |
51 | |
52 } // namespace chromeos | |
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