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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/reporter.h"
#include "complexity.h"
#include <algorithm>
#include <cstdint>
#include <cstdio>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
#include "check.h"
#include "colorprint.h"
#include "commandlineflags.h"
#include "internal_macros.h"
#include "string_util.h"
#include "walltime.h"
DECLARE_bool(color_print);
namespace benchmark {
bool ConsoleReporter::ReportContext(const Context& context) {
name_field_width_ = context.name_field_width;
PrintBasicContext(&GetErrorStream(), context);
#ifdef BENCHMARK_OS_WINDOWS
if (FLAGS_color_print && &std::cout != &GetOutputStream()) {
GetErrorStream() << "Color printing is only supported for stdout on windows."
" Disabling color printing\n";
FLAGS_color_print = false;
}
#endif
std::string str = FormatString("%-*s %13s %13s %10s\n",
static_cast<int>(name_field_width_), "Benchmark",
"Time", "CPU", "Iterations");
GetOutputStream() << str << std::string(str.length() - 1, '-') << "\n";
return true;
}
void ConsoleReporter::ReportRuns(const std::vector<Run>& reports) {
for (const auto& run : reports)
PrintRunData(run);
}
void ConsoleReporter::PrintRunData(const Run& result) {
auto& Out = GetOutputStream();
auto name_color =
(result.report_big_o || result.report_rms) ? COLOR_BLUE : COLOR_GREEN;
ColorPrintf(Out, name_color, "%-*s ", name_field_width_,
result.benchmark_name.c_str());
if (result.error_occurred) {
ColorPrintf(Out, COLOR_RED, "ERROR OCCURRED: \'%s\'",
result.error_message.c_str());
ColorPrintf(Out, COLOR_DEFAULT, "\n");
return;
}
// Format bytes per second
std::string rate;
if (result.bytes_per_second > 0) {
rate = StrCat(" ", HumanReadableNumber(result.bytes_per_second), "B/s");
}
// Format items per second
std::string items;
if (result.items_per_second > 0) {
items = StrCat(" ", HumanReadableNumber(result.items_per_second),
" items/s");
}
const double real_time = result.GetAdjustedRealTime();
const double cpu_time = result.GetAdjustedCPUTime();
if (result.report_big_o) {
std::string big_o = GetBigOString(result.complexity);
ColorPrintf(Out, COLOR_YELLOW, "%10.2f %s %10.2f %s ", real_time,
big_o.c_str(), cpu_time, big_o.c_str());
} else if (result.report_rms) {
ColorPrintf(Out, COLOR_YELLOW, "%10.0f %% %10.0f %% ", real_time * 100,
cpu_time * 100);
} else {
const char* timeLabel = GetTimeUnitString(result.time_unit);
ColorPrintf(Out, COLOR_YELLOW, "%10.0f %s %10.0f %s ", real_time, timeLabel,
cpu_time, timeLabel);
}
if (!result.report_big_o && !result.report_rms) {
ColorPrintf(Out, COLOR_CYAN, "%10lld", result.iterations);
}
if (!rate.empty()) {
ColorPrintf(Out, COLOR_DEFAULT, " %*s", 13, rate.c_str());
}
if (!items.empty()) {
ColorPrintf(Out, COLOR_DEFAULT, " %*s", 18, items.c_str());
}
if (!result.report_label.empty()) {
ColorPrintf(Out, COLOR_DEFAULT, " %s", result.report_label.c_str());
}
ColorPrintf(Out, COLOR_DEFAULT, "\n");
}
} // end namespace benchmark
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