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| // Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "benchmark/benchmark.h"
#include "complexity.h"
#include <algorithm>
#include <cstdint>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
#include "string_util.h"
#include "timers.h"
#include "check.h"
// File format reference: http://edoceo.com/utilitas/csv-file-format.
namespace benchmark {
namespace {
std::vector<std::string> elements = {
"name", "iterations", "real_time", "cpu_time",
"time_unit", "bytes_per_second", "items_per_second", "label",
"error_occurred", "error_message"};
} // namespace
bool CSVReporter::ReportContext(const Context& context) {
PrintBasicContext(&GetErrorStream(), context);
return true;
}
void CSVReporter::ReportRuns(const std::vector<Run> & reports) {
std::ostream& Out = GetOutputStream();
if (!printed_header_) {
// save the names of all the user counters
for (const auto& run : reports) {
for (const auto& cnt : run.counters) {
user_counter_names_.insert(cnt.first);
}
}
// print the header
for (auto B = elements.begin(); B != elements.end();) {
Out << *B++;
if (B != elements.end()) Out << ",";
}
for (auto B = user_counter_names_.begin(); B != user_counter_names_.end();) {
Out << ",\"" << *B++ << "\"";
}
Out << "\n";
printed_header_ = true;
} else {
// check that all the current counters are saved in the name set
for (const auto& run : reports) {
for (const auto& cnt : run.counters) {
CHECK(user_counter_names_.find(cnt.first) != user_counter_names_.end())
<< "All counters must be present in each run. "
<< "Counter named \"" << cnt.first
<< "\" was not in a run after being added to the header";
}
}
}
// print results for each run
for (const auto& run : reports) {
PrintRunData(run);
}
}
void CSVReporter::PrintRunData(const Run & run) {
std::ostream& Out = GetOutputStream();
// Field with embedded double-quote characters must be doubled and the field
// delimited with double-quotes.
std::string name = run.benchmark_name;
ReplaceAll(&name, "\"", "\"\"");
Out << '"' << name << "\",";
if (run.error_occurred) {
Out << std::string(elements.size() - 3, ',');
Out << "true,";
std::string msg = run.error_message;
ReplaceAll(&msg, "\"", "\"\"");
Out << '"' << msg << "\"\n";
return;
}
// Do not print iteration on bigO and RMS report
if (!run.report_big_o && !run.report_rms) {
Out << run.iterations;
}
Out << ",";
Out << run.GetAdjustedRealTime() << ",";
Out << run.GetAdjustedCPUTime() << ",";
// Do not print timeLabel on bigO and RMS report
if (run.report_big_o) {
Out << GetBigOString(run.complexity);
} else if (!run.report_rms) {
Out << GetTimeUnitString(run.time_unit);
}
Out << ",";
if (run.bytes_per_second > 0.0) {
Out << run.bytes_per_second;
}
Out << ",";
if (run.items_per_second > 0.0) {
Out << run.items_per_second;
}
Out << ",";
if (!run.report_label.empty()) {
// Field with embedded double-quote characters must be doubled and the field
// delimited with double-quotes.
std::string label = run.report_label;
ReplaceAll(&label, "\"", "\"\"");
Out << "\"" << label << "\"";
}
Out << ",,"; // for error_occurred and error_message
// Print user counters
for (const auto &ucn : user_counter_names_) {
auto it = run.counters.find(ucn);
if(it == run.counters.end()) {
Out << ",";
} else {
Out << "," << it->second;
}
}
Out << '\n';
}
} // end namespace benchmark
|