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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/metrics/metrics_log_base.h" | 5 #include "components/metrics/metrics_log_base.h" |
6 | 6 |
7 #include "base/metrics/histogram_base.h" | 7 #include "base/metrics/histogram_base.h" |
8 #include "base/metrics/histogram_samples.h" | 8 #include "base/metrics/histogram_samples.h" |
9 #include "components/metrics/metrics_hashes.h" | 9 #include "components/metrics/metrics_hashes.h" |
10 #include "components/metrics/proto/histogram_event.pb.h" | 10 #include "components/metrics/proto/histogram_event.pb.h" |
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28 bool IsTestingID(const std::string& id) { | 28 bool IsTestingID(const std::string& id) { |
29 return id.size() < 16; | 29 return id.size() < 16; |
30 } | 30 } |
31 | 31 |
32 } // namespace | 32 } // namespace |
33 | 33 |
34 MetricsLogBase::MetricsLogBase(const std::string& client_id, | 34 MetricsLogBase::MetricsLogBase(const std::string& client_id, |
35 int session_id, | 35 int session_id, |
36 LogType log_type, | 36 LogType log_type, |
37 const std::string& version_string) | 37 const std::string& version_string) |
38 : num_events_(0), | 38 : locked_(false), |
39 locked_(false), | |
40 log_type_(log_type) { | 39 log_type_(log_type) { |
41 DCHECK_NE(NO_LOG, log_type); | 40 DCHECK_NE(NO_LOG, log_type); |
42 if (IsTestingID(client_id)) | 41 if (IsTestingID(client_id)) |
43 uma_proto_.set_client_id(0); | 42 uma_proto_.set_client_id(0); |
44 else | 43 else |
45 uma_proto_.set_client_id(Hash(client_id)); | 44 uma_proto_.set_client_id(Hash(client_id)); |
46 | 45 |
47 uma_proto_.set_session_id(session_id); | 46 uma_proto_.set_session_id(session_id); |
48 uma_proto_.mutable_system_profile()->set_build_timestamp(GetBuildTime()); | 47 uma_proto_.mutable_system_profile()->set_build_timestamp(GetBuildTime()); |
49 uma_proto_.mutable_system_profile()->set_app_version(version_string); | 48 uma_proto_.mutable_system_profile()->set_app_version(version_string); |
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93 DCHECK(locked_); | 92 DCHECK(locked_); |
94 uma_proto_.SerializeToString(encoded_log); | 93 uma_proto_.SerializeToString(encoded_log); |
95 } | 94 } |
96 | 95 |
97 void MetricsLogBase::RecordUserAction(const std::string& key) { | 96 void MetricsLogBase::RecordUserAction(const std::string& key) { |
98 DCHECK(!locked_); | 97 DCHECK(!locked_); |
99 | 98 |
100 UserActionEventProto* user_action = uma_proto_.add_user_action_event(); | 99 UserActionEventProto* user_action = uma_proto_.add_user_action_event(); |
101 user_action->set_name_hash(Hash(key)); | 100 user_action->set_name_hash(Hash(key)); |
102 user_action->set_time(GetCurrentTime()); | 101 user_action->set_time(GetCurrentTime()); |
103 | |
104 ++num_events_; | |
105 } | 102 } |
106 | 103 |
107 void MetricsLogBase::RecordHistogramDelta(const std::string& histogram_name, | 104 void MetricsLogBase::RecordHistogramDelta(const std::string& histogram_name, |
108 const HistogramSamples& snapshot) { | 105 const HistogramSamples& snapshot) { |
109 DCHECK(!locked_); | 106 DCHECK(!locked_); |
110 DCHECK_NE(0, snapshot.TotalCount()); | 107 DCHECK_NE(0, snapshot.TotalCount()); |
111 | 108 |
112 // We will ignore the MAX_INT/infinite value in the last element of range[]. | 109 // We will ignore the MAX_INT/infinite value in the last element of range[]. |
113 | 110 |
114 HistogramEventProto* histogram_proto = uma_proto_.add_histogram_event(); | 111 HistogramEventProto* histogram_proto = uma_proto_.add_histogram_event(); |
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133 if (i + 1 < histogram_proto->bucket_size() && | 130 if (i + 1 < histogram_proto->bucket_size() && |
134 bucket->max() == histogram_proto->bucket(i + 1).min()) { | 131 bucket->max() == histogram_proto->bucket(i + 1).min()) { |
135 bucket->clear_max(); | 132 bucket->clear_max(); |
136 } else if (bucket->max() == bucket->min() + 1) { | 133 } else if (bucket->max() == bucket->min() + 1) { |
137 bucket->clear_min(); | 134 bucket->clear_min(); |
138 } | 135 } |
139 } | 136 } |
140 } | 137 } |
141 | 138 |
142 } // namespace metrics | 139 } // namespace metrics |
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