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Issue 1254983003: Componentize DriveMetricsProvider* (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Response to review Created 5 years, 4 months ago
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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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