chrome/common/metrics/metrics_service_base.cc

   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 }