testing/perf/perf_test.cc

   1 // Copyright 2013 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 "testing/perf/perf_test.h"
   6
   7 #include <stdio.h>
   8
   9 #include "base/logging.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "base/strings/stringprintf.h"
  12
  13 namespace {
  14
  15 std::string ResultsToString(const std::string& measurement,
  16                             const std::string& modifier,
  17                             const std::string& trace,
  18                             const std::string& values,
  19                             const std::string& prefix,
  20                             const std::string& suffix,
  21                             const std::string& units,
  22                             bool important) {
  23   // <*>RESULT <graph_name>: <trace_name>= <value> <units>
  24   // <*>RESULT <graph_name>: <trace_name>= {<mean>, <std deviation>} <units>
  25   // <*>RESULT <graph_name>: <trace_name>= [<value>,value,value,...,] <units>
  26   return base::StringPrintf("%sRESULT %s%s: %s= %s%s%s %s\n",
  27          important ? "*" : "", measurement.c_str(), modifier.c_str(),
  28          trace.c_str(), prefix.c_str(), values.c_str(), suffix.c_str(),
  29          units.c_str());
  30 }
  31
  32 void PrintResultsImpl(const std::string& measurement,
  33                       const std::string& modifier,
  34                       const std::string& trace,
  35                       const std::string& values,
  36                       const std::string& prefix,
  37                       const std::string& suffix,
  38                       const std::string& units,
  39                       bool important) {
  40   fflush(stdout);
  41   printf("%s", ResultsToString(measurement, modifier, trace, values,
  42                                prefix, suffix, units, important).c_str());
  43   fflush(stdout);
  44 }
  45
  46 }  // namespace
  47
  48 namespace perf_test {
  49
  50 void PrintResult(const std::string& measurement,
  51                  const std::string& modifier,
  52                  const std::string& trace,
  53                  size_t value,
  54                  const std::string& units,
  55                  bool important) {
  56   PrintResultsImpl(measurement,
  57                    modifier,
  58                    trace,
  59                    base::UintToString(static_cast<unsigned int>(value)),
  60                    std::string(),
  61                    std::string(),
  62                    units,
  63                    important);
  64 }
  65
  66 void PrintResult(const std::string& measurement,
  67                  const std::string& modifier,
  68                  const std::string& trace,
  69                  double value,
  70                  const std::string& units,
  71                  bool important) {
  72   PrintResultsImpl(measurement,
  73                    modifier,
  74                    trace,
  75                    base::DoubleToString(value),
  76                    std::string(),
  77                    std::string(),
  78                    units,
  79                    important);
  80 }
  81
  82 void AppendResult(std::string& output,
  83                   const std::string& measurement,
  84                   const std::string& modifier,
  85                   const std::string& trace,
  86                   size_t value,
  87                   const std::string& units,
  88                   bool important) {
  89   output += ResultsToString(
  90       measurement,
  91       modifier,
  92       trace,
  93       base::UintToString(static_cast<unsigned int>(value)),
  94       std::string(),
  95       std::string(),
  96       units,
  97       important);
  98 }
  99
 100 void PrintResult(const std::string& measurement,
 101                  const std::string& modifier,
 102                  const std::string& trace,
 103                  const std::string& value,
 104                  const std::string& units,
 105                  bool important) {
 106   PrintResultsImpl(measurement,
 107                    modifier,
 108                    trace,
 109                    value,
 110                    std::string(),
 111                    std::string(),
 112                    units,
 113                    important);
 114 }
 115
 116 void AppendResult(std::string& output,
 117                   const std::string& measurement,
 118                   const std::string& modifier,
 119                   const std::string& trace,
 120                   const std::string& value,
 121                   const std::string& units,
 122                   bool important) {
 123   output += ResultsToString(measurement,
 124                             modifier,
 125                             trace,
 126                             value,
 127                             std::string(),
 128                             std::string(),
 129                             units,
 130                             important);
 131 }
 132
 133 void PrintResultMeanAndError(const std::string& measurement,
 134                              const std::string& modifier,
 135                              const std::string& trace,
 136                              const std::string& mean_and_error,
 137                              const std::string& units,
 138                              bool important) {
 139   PrintResultsImpl(measurement, modifier, trace, mean_and_error,
 140                    "{", "}", units, important);
 141 }
 142
 143 void AppendResultMeanAndError(std::string& output,
 144                               const std::string& measurement,
 145                               const std::string& modifier,
 146                               const std::string& trace,
 147                               const std::string& mean_and_error,
 148                               const std::string& units,
 149                               bool important) {
 150   output += ResultsToString(measurement, modifier, trace, mean_and_error,
 151                             "{", "}", units, important);
 152 }
 153
 154 void PrintResultList(const std::string& measurement,
 155                      const std::string& modifier,
 156                      const std::string& trace,
 157                      const std::string& values,
 158                      const std::string& units,
 159                      bool important) {
 160   PrintResultsImpl(measurement, modifier, trace, values,
 161                    "[", "]", units, important);
 162 }
 163
 164 void AppendResultList(std::string& output,
 165                       const std::string& measurement,
 166                       const std::string& modifier,
 167                       const std::string& trace,
 168                       const std::string& values,
 169                       const std::string& units,
 170                       bool important) {
 171   output += ResultsToString(measurement, modifier, trace, values,
 172                             "[", "]", units, important);
 173 }
 174
 175 void PrintSystemCommitCharge(const std::string& test_name,
 176                              size_t charge,
 177                              bool important) {
 178   PrintSystemCommitCharge(stdout, test_name, charge, important);
 179 }
 180
 181 void PrintSystemCommitCharge(FILE* target,
 182                              const std::string& test_name,
 183                              size_t charge,
 184                              bool important) {
 185   fprintf(target, "%s", SystemCommitChargeToString(test_name, charge,
 186                                                    important).c_str());
 187 }
 188
 189 std::string SystemCommitChargeToString(const std::string& test_name,
 190                                        size_t charge,
 191                                        bool important) {
 192   std::string trace_name(test_name);
 193   std::string output;
 194   AppendResult(output,
 195                "commit_charge",
 196                std::string(),
 197                "cc" + trace_name,
 198                charge,
 199                "kb",
 200                important);
 201   return output;
 202 }
 203
 204 }  // namespace perf_test