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/socket/client_socket_handle.h"
  12
  13 namespace net {
  14
  15 using base::Histogram;
  16 using base::LinearHistogram;
  17
  18 ClientSocketPoolHistograms::ClientSocketPoolHistograms(
  19     const std::string& pool_name)
  20     : is_http_proxy_connection_(false),
  21       is_socks_connection_(false) {
  22   // UMA_HISTOGRAM_ENUMERATION
  23   socket_type_ = LinearHistogram::FactoryGet("Net.SocketType_" + pool_name, 1,
  24       ClientSocketHandle::NUM_TYPES, ClientSocketHandle::NUM_TYPES + 1,
  25       Histogram::kUmaTargetedHistogramFlag);
  26   // UMA_HISTOGRAM_CUSTOM_TIMES
  27   request_time_ = Histogram::FactoryTimeGet(
  28       "Net.SocketRequestTime_" + pool_name,
  29       base::TimeDelta::FromMilliseconds(1),
  30       base::TimeDelta::FromMinutes(10),
  31       100, Histogram::kUmaTargetedHistogramFlag);
  32   // UMA_HISTOGRAM_CUSTOM_TIMES
  33   unused_idle_time_ = Histogram::FactoryTimeGet(
  34       "Net.SocketIdleTimeBeforeNextUse_UnusedSocket_" + pool_name,
  35       base::TimeDelta::FromMilliseconds(1),
  36       base::TimeDelta::FromMinutes(6),
  37       100, Histogram::kUmaTargetedHistogramFlag);
  38   // UMA_HISTOGRAM_CUSTOM_TIMES
  39   reused_idle_time_ = Histogram::FactoryTimeGet(
  40       "Net.SocketIdleTimeBeforeNextUse_ReusedSocket_" + pool_name,
  41       base::TimeDelta::FromMilliseconds(1),
  42       base::TimeDelta::FromMinutes(6),
  43       100, Histogram::kUmaTargetedHistogramFlag);
  44
  45   if (pool_name == "HTTPProxy")
  46     is_http_proxy_connection_ = true;
  47   else if (pool_name == "SOCK")
  48     is_socks_connection_ = true;
  49 }
  50
  51 ClientSocketPoolHistograms::~ClientSocketPoolHistograms() {
  52 }
  53
  54 void ClientSocketPoolHistograms::AddSocketType(int type) const {
  55   socket_type_->Add(type);
  56 }
  57
  58 void ClientSocketPoolHistograms::AddRequestTime(base::TimeDelta time) const {
  59   request_time_->AddTime(time);
  60
  61   static const bool proxy_connection_impact_trial_exists =
  62       base::FieldTrialList::TrialExists("ProxyConnectionImpact");
  63   if (proxy_connection_impact_trial_exists && is_http_proxy_connection_) {
  64     UMA_HISTOGRAM_CUSTOM_TIMES(
  65         base::FieldTrial::MakeName("Net.HttpProxySocketRequestTime",
  66                              "ProxyConnectionImpact"),
  67         time,
  68         base::TimeDelta::FromMilliseconds(1), base::TimeDelta::FromMinutes(10),
  69         100);
  70   }
  71   if (proxy_connection_impact_trial_exists && is_socks_connection_) {
  72     UMA_HISTOGRAM_CUSTOM_TIMES(
  73         base::FieldTrial::MakeName("Net.SocksSocketRequestTime",
  74                              "ProxyConnectionImpact"),
  75         time,
  76         base::TimeDelta::FromMilliseconds(1), base::TimeDelta::FromMinutes(10),
  77         100);
  78   }
  79 }
  80
  81 void ClientSocketPoolHistograms::AddUnusedIdleTime(base::TimeDelta time) const {
  82   unused_idle_time_->AddTime(time);
  83 }
  84
  85 void ClientSocketPoolHistograms::AddReusedIdleTime(base::TimeDelta time) const {
  86   reused_idle_time_->AddTime(time);
  87 }
  88
  89 }  // namespace net