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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/metrics/drive_metrics_provider.h" | |
6 | |
7 #include "base/base_paths.h" | |
8 #include "base/bind.h" | |
9 #include "base/files/file_path.h" | |
10 #include "base/location.h" | |
11 #include "base/logging.h" | |
12 #include "base/metrics/histogram_macros.h" | |
13 #include "base/path_service.h" | |
14 #include "base/time/time.h" | |
15 #include "chrome/common/chrome_paths.h" | |
16 #include "content/public/browser/browser_thread.h" | |
17 | |
18 DriveMetricsProvider::DriveMetricsProvider() : weak_ptr_factory_(this) {} | |
19 | |
20 DriveMetricsProvider::~DriveMetricsProvider() {} | |
21 | |
22 void DriveMetricsProvider::ProvideSystemProfileMetrics( | |
23 metrics::SystemProfileProto* system_profile_proto) { | |
24 auto* hardware = system_profile_proto->mutable_hardware(); | |
25 FillDriveMetrics(metrics_.app_drive, hardware->mutable_app_drive()); | |
26 FillDriveMetrics(metrics_.user_data_drive, | |
27 hardware->mutable_user_data_drive()); | |
28 } | |
29 | |
30 void DriveMetricsProvider::GetDriveMetrics(const base::Closure& done) { | |
31 got_metrics_callback_ = done; | |
32 | |
33 content::BrowserThread::PostTaskAndReplyWithResult( | |
34 content::BrowserThread::FILE, FROM_HERE, | |
35 base::Bind(&DriveMetricsProvider::GetDriveMetricsOnFileThread), | |
36 base::Bind(&DriveMetricsProvider::GotDriveMetrics, | |
37 weak_ptr_factory_.GetWeakPtr())); | |
38 } | |
39 | |
40 DriveMetricsProvider::SeekPenaltyResponse::SeekPenaltyResponse() | |
41 : success(false) {} | |
42 | |
43 // static | |
44 DriveMetricsProvider::DriveMetrics | |
45 DriveMetricsProvider::GetDriveMetricsOnFileThread() { | |
46 DCHECK_CURRENTLY_ON(content::BrowserThread::FILE); | |
47 | |
48 DriveMetricsProvider::DriveMetrics metrics; | |
49 QuerySeekPenalty(base::FILE_EXE, &metrics.app_drive); | |
50 QuerySeekPenalty(chrome::FILE_LOCAL_STATE, &metrics.user_data_drive); | |
51 return metrics; | |
52 } | |
53 | |
54 // static | |
55 void DriveMetricsProvider::QuerySeekPenalty( | |
56 int path_service_key, | |
57 DriveMetricsProvider::SeekPenaltyResponse* response) { | |
58 DCHECK(response); | |
59 | |
60 base::FilePath path; | |
61 if (!PathService::Get(path_service_key, &path)) | |
62 return; | |
63 | |
64 base::TimeTicks start = base::TimeTicks::Now(); | |
65 | |
66 response->success = HasSeekPenalty(path, &response->has_seek_penalty); | |
67 | |
68 UMA_HISTOGRAM_TIMES("Hardware.Drive.HasSeekPenalty_Time", | |
69 base::TimeTicks::Now() - start); | |
70 UMA_HISTOGRAM_BOOLEAN("Hardware.Drive.HasSeekPenalty_Success", | |
71 response->success); | |
72 if (response->success) { | |
73 UMA_HISTOGRAM_BOOLEAN("Hardware.Drive.HasSeekPenalty", | |
74 response->has_seek_penalty); | |
75 } | |
76 } | |
77 | |
78 void DriveMetricsProvider::GotDriveMetrics( | |
79 const DriveMetricsProvider::DriveMetrics& metrics) { | |
80 DCHECK(thread_checker_.CalledOnValidThread()); | |
81 metrics_ = metrics; | |
82 got_metrics_callback_.Run(); | |
83 } | |
84 | |
85 void DriveMetricsProvider::FillDriveMetrics( | |
86 const DriveMetricsProvider::SeekPenaltyResponse& response, | |
87 metrics::SystemProfileProto::Hardware::Drive* drive) { | |
88 if (response.success) | |
89 drive->set_has_seek_penalty(response.has_seek_penalty); | |
90 } | |
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