net/socket/client_socket_pool_histograms.cc

   1 // Copyright (c) 2011 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 "net/socket/client_socket_pool_histograms.h"
   6
   7 #include <string>
   8
   9 #include "base/metrics/field_trial.h"
  10 #include "base/metrics/histogram.h"
  11 #include "net/base/net_errors.h"
  12 #include "net/socket/client_socket_handle.h"
  13
  14 namespace net {
  15
  16 using base::Histogram;
  17 using base::HistogramBase;
  18 using base::LinearHistogram;
  19 using base::CustomHistogram;
  20
  21 ClientSocketPoolHistograms::ClientSocketPoolHistograms(
  22     const std::string& pool_name)
  23     : is_http_proxy_connection_(false),
  24       is_socks_connection_(false) {
  25   // UMA_HISTOGRAM_ENUMERATION
  26   socket_type_ = LinearHistogram::FactoryGet("Net.SocketType_" + pool_name, 1,
  27       ClientSocketHandle::NUM_TYPES, ClientSocketHandle::NUM_TYPES + 1,
  28       HistogramBase::kUmaTargetedHistogramFlag);
  29   // UMA_HISTOGRAM_CUSTOM_TIMES
  30   request_time_ = Histogram::FactoryTimeGet(
  31       "Net.SocketRequestTime_" + pool_name,
  32       base::TimeDelta::FromMilliseconds(1),
  33       base::TimeDelta::FromMinutes(10),
  34       100, HistogramBase::kUmaTargetedHistogramFlag);
  35   // UMA_HISTOGRAM_CUSTOM_TIMES
  36   unused_idle_time_ = Histogram::FactoryTimeGet(
  37       "Net.SocketIdleTimeBeforeNextUse_UnusedSocket_" + pool_name,
  38       base::TimeDelta::FromMilliseconds(1),
  39       base::TimeDelta::FromMinutes(6),
  40       100, HistogramBase::kUmaTargetedHistogramFlag);
  41   // UMA_HISTOGRAM_CUSTOM_TIMES
  42   reused_idle_time_ = Histogram::FactoryTimeGet(
  43       "Net.SocketIdleTimeBeforeNextUse_ReusedSocket_" + pool_name,
  44       base::TimeDelta::FromMilliseconds(1),
  45       base::TimeDelta::FromMinutes(6),
  46       100, HistogramBase::kUmaTargetedHistogramFlag);
  47   // UMA_HISTOGRAM_CUSTOM_ENUMERATION
  48   error_code_ = CustomHistogram::FactoryGet(
  49       "Net.SocketInitErrorCodes_" + pool_name,
  50       GetAllErrorCodesForUma(),
  51       HistogramBase::kUmaTargetedHistogramFlag);
  52
  53   if (pool_name == "HTTPProxy")
  54     is_http_proxy_connection_ = true;
  55   else if (pool_name == "SOCK")
  56     is_socks_connection_ = true;
  57 }
  58
  59 ClientSocketPoolHistograms::~ClientSocketPoolHistograms() {
  60 }
  61
  62 void ClientSocketPoolHistograms::AddSocketType(int type) const {
  63   socket_type_->Add(type);
  64 }
  65
  66 void ClientSocketPoolHistograms::AddRequestTime(base::TimeDelta time) const {
  67   request_time_->AddTime(time);
  68 }
  69
  70 void ClientSocketPoolHistograms::AddUnusedIdleTime(base::TimeDelta time) const {
  71   unused_idle_time_->AddTime(time);
  72 }
  73
  74 void ClientSocketPoolHistograms::AddReusedIdleTime(base::TimeDelta time) const {
  75   reused_idle_time_->AddTime(time);
  76 }
  77
  78 void ClientSocketPoolHistograms::AddErrorCode(int error_code) const {
  79   // Error codes are positive (since histograms expect positive sample values).
  80   error_code_->Add(-error_code);
  81 }
  82
  83 }  // namespace net