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 3 // found in the LICENSE file. 4 5 #include "chrome/common/metrics/metrics_service_base.h" 6 7 #include <cstdlib> 8 9 #include "chrome/common/metrics/metrics_log_base.h" 10 11 using base::Histogram; 12 13 MetricsServiceBase::MetricsServiceBase() 14 : histogram_snapshot_manager_(this) { 15 } 16 17 MetricsServiceBase::~MetricsServiceBase() { 18 } 19 20 // static 21 const char MetricsServiceBase::kServerUrl[] = 22 "https://clients4.google.com/uma/v2"; 23 24 // static 25 const char MetricsServiceBase::kMimeType[] = "application/vnd.chrome.uma"; 26 27 void MetricsServiceBase::RecordCurrentHistograms() { 28 DCHECK(log_manager_.current_log()); 29 histogram_snapshot_manager_.PrepareDeltas(base::Histogram::kNoFlags, true); 30 } 31 32 void MetricsServiceBase::RecordDelta( 33 const base::HistogramBase& histogram, 34 const base::HistogramSamples& snapshot) { 35 log_manager_.current_log()->RecordHistogramDelta(histogram.histogram_name(), 36 snapshot); 37 } 38 39 void MetricsServiceBase::InconsistencyDetected( 40 base::HistogramBase::Inconsistency problem) { 41 UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowser", 42 problem, base::HistogramBase::NEVER_EXCEEDED_VALUE); 43 } 44 45 void MetricsServiceBase::UniqueInconsistencyDetected( 46 base::HistogramBase::Inconsistency problem) { 47 UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowserUnique", 48 problem, base::HistogramBase::NEVER_EXCEEDED_VALUE); 49 } 50 51 void MetricsServiceBase::InconsistencyDetectedInLoggedCount(int amount) { 52 UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotBrowser", 53 std::abs(amount)); 54 } 55