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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 #include "chrome/browser/chromeos/external_metrics.h" | 5 #include "chrome/browser/chromeos/external_metrics.h" |
6 | 6 |
7 #include <fcntl.h> | 7 #include <fcntl.h> |
8 #include <stdio.h> | 8 #include <stdio.h> |
9 #include <stdlib.h> | 9 #include <stdlib.h> |
10 #include <string.h> | 10 #include <string.h> |
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99 | 99 |
100 // Finds out if we're on a 2GB Parrot. | 100 // Finds out if we're on a 2GB Parrot. |
101 // | 101 // |
102 // This code reads and parses /etc/lsb-release. There are at least four other | 102 // This code reads and parses /etc/lsb-release. There are at least four other |
103 // places that open and parse /etc/lsb-release, and I wish I could fix the | 103 // places that open and parse /etc/lsb-release, and I wish I could fix the |
104 // mess. At least this code is temporary. | 104 // mess. At least this code is temporary. |
105 | 105 |
106 bool Is2GBParrot() { | 106 bool Is2GBParrot() { |
107 base::FilePath path("/etc/lsb-release"); | 107 base::FilePath path("/etc/lsb-release"); |
108 std::string contents; | 108 std::string contents; |
109 if (!file_util::ReadFileToString(path, &contents)) | 109 if (!base::ReadFileToString(path, &contents)) |
110 return false; | 110 return false; |
111 if (contents.find("CHROMEOS_RELEASE_BOARD=parrot") == std::string::npos) | 111 if (contents.find("CHROMEOS_RELEASE_BOARD=parrot") == std::string::npos) |
112 return false; | 112 return false; |
113 // There are 2GB and 4GB models. | 113 // There are 2GB and 4GB models. |
114 return base::SysInfo::AmountOfPhysicalMemory() <= 2LL * 1024 * 1024 * 1024; | 114 return base::SysInfo::AmountOfPhysicalMemory() <= 2LL * 1024 * 1024 * 1024; |
115 } | 115 } |
116 | 116 |
117 // Sets up field trial for measuring swap and CPU metrics after tab switch | 117 // Sets up field trial for measuring swap and CPU metrics after tab switch |
118 // and scroll events. crbug.com/253994 | 118 // and scroll events. crbug.com/253994 |
119 void SetupSwapJankFieldTrial() { | 119 void SetupSwapJankFieldTrial() { |
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413 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | 413 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); |
414 // Field trials that do not read from files can be initialized in | 414 // Field trials that do not read from files can be initialized in |
415 // ExternalMetrics::Start() above. | 415 // ExternalMetrics::Start() above. |
416 SetupProgressiveScanFieldTrial(); | 416 SetupProgressiveScanFieldTrial(); |
417 SetupSwapJankFieldTrial(); | 417 SetupSwapJankFieldTrial(); |
418 | 418 |
419 ScheduleCollector(); | 419 ScheduleCollector(); |
420 } | 420 } |
421 | 421 |
422 } // namespace chromeos | 422 } // namespace chromeos |
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