Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(168)

Side by Side Diff: components/browser_watcher/stability_debugging.cc

Issue 2859223002: [TEST ONLY] Run tests for 2860863003 (Closed)
Patch Set: Created 3 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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 #include "components/browser_watcher/stability_debugging.h" 5 #include "components/browser_watcher/stability_debugging.h"
6 6
7 #include <string>
8
9 #include "base/debug/activity_tracker.h" 7 #include "base/debug/activity_tracker.h"
10 #include "base/feature_list.h"
11 #include "base/files/file.h"
12 #include "base/metrics/persistent_memory_allocator.h"
13 #include "base/path_service.h"
14 #include "base/process/process.h"
15 #include "base/strings/stringprintf.h"
16 #include "base/time/time.h"
17 #include "components/browser_watcher/features.h"
18 8
19 namespace browser_watcher { 9 namespace browser_watcher {
20 10
21 namespace {
22
23 #if defined(OS_WIN)
24 bool GetCreationTime(const base::Process& process, base::Time* time) {
25 DCHECK(time);
26
27 FILETIME creation_time = {};
28 FILETIME ignore1 = {};
29 FILETIME ignore2 = {};
30 FILETIME ignore3 = {};
31 if (!::GetProcessTimes(process.Handle(), &creation_time, &ignore1, &ignore2,
32 &ignore3)) {
33 return false;
34 }
35 *time = base::Time::FromFileTime(creation_time);
36 return true;
37 }
38 #endif // defined(OS_WIN)
39
40 } // namespace
41
42 #if defined(OS_WIN)
43
44 base::FilePath GetStabilityDir(const base::FilePath& user_data_dir) {
45 return user_data_dir.AppendASCII("Stability");
46 }
47
48 bool GetStabilityFileForProcess(const base::Process& process,
49 const base::FilePath& user_data_dir,
50 base::FilePath* file_path) {
51 DCHECK(file_path);
52 base::FilePath stability_dir = GetStabilityDir(user_data_dir);
53
54 // Build the name using the pid and creation time. On windows, this is unique
55 // even after the process exits.
56 base::Time creation_time;
57 if (!GetCreationTime(process, &creation_time))
58 return false;
59
60 std::string file_name =
61 base::StringPrintf("%u-%llu", process.Pid(), creation_time.ToJavaTime());
62 *file_path = stability_dir.AppendASCII(file_name).AddExtension(
63 base::PersistentMemoryAllocator::kFileExtension);
64 return true;
65 }
66
67 base::FilePath::StringType GetStabilityFilePattern() {
68 return base::FilePath::StringType(FILE_PATH_LITERAL("*-*")) +
69 base::PersistentMemoryAllocator::kFileExtension;
70 }
71
72 void MarkStabilityFileForDeletion(const base::FilePath& user_data_dir) {
73 if (!base::FeatureList::IsEnabled(
74 browser_watcher::kStabilityDebuggingFeature)) {
75 return;
76 }
77
78 base::FilePath stability_file;
79 if (!GetStabilityFileForProcess(base::Process::Current(), user_data_dir,
80 &stability_file)) {
81 // TODO(manzagop): add a metric for this.
82 return;
83 }
84
85 // Open (with delete) and then immediately close the file by going out of
86 // scope. This should cause the stability debugging file to be deleted prior
87 // to the next execution.
88 base::File file(stability_file, base::File::FLAG_OPEN |
89 base::File::FLAG_READ |
90 base::File::FLAG_DELETE_ON_CLOSE);
91 }
92 #endif // defined(OS_WIN)
93
94 void SetStabilityDataInt(base::StringPiece name, int64_t value) { 11 void SetStabilityDataInt(base::StringPiece name, int64_t value) {
95 base::debug::GlobalActivityTracker* global_tracker = 12 base::debug::GlobalActivityTracker* global_tracker =
96 base::debug::GlobalActivityTracker::Get(); 13 base::debug::GlobalActivityTracker::Get();
97 if (!global_tracker) 14 if (!global_tracker)
98 return; // Activity tracking isn't enabled. 15 return; // Activity tracking isn't enabled.
99 16
100 global_tracker->process_data().SetInt(name, value); 17 global_tracker->process_data().SetInt(name, value);
101 } 18 }
102 19
103 } // namespace browser_watcher 20 } // namespace browser_watcher
OLDNEW
« no previous file with comments | « components/browser_watcher/stability_debugging.h ('k') | components/browser_watcher/stability_debugging_win_unittest.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698