/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// A stripped-down version of Chromium's chrome/test/perf/perf_test.cc.
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// ResultsToString(), PrintResult(size_t value) and AppendResult(size_t value)
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// have been modified. The remainder are identical to the Chromium version.
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#include "webrtc/test/testsupport/perf_test.h"
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#include <sstream>
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#include <stdio.h>
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namespace {
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std::string ResultsToString(const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& values,
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const std::string& prefix,
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const std::string& suffix,
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const std::string& units,
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bool important) {
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// <*>RESULT <graph_name>: <trace_name>= <value> <units>
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// <*>RESULT <graph_name>: <trace_name>= {<mean>, <std deviation>} <units>
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// <*>RESULT <graph_name>: <trace_name>= [<value>,value,value,...,] <units>
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// TODO(ajm): Use of a stream here may violate the style guide (depending on
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// one's definition of "logging"). Consider adding StringPrintf-like
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// functionality as in the original Chromium implementation.
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std::ostringstream stream;
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if (important) {
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stream << "*";
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}
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stream << "RESULT " << measurement << modifier << ": " << trace << "= "
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<< prefix << values << suffix << " " << units << std::endl;
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return stream.str();
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}
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void PrintResultsImpl(const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& values,
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const std::string& prefix,
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const std::string& suffix,
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const std::string& units,
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bool important) {
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printf("%s", ResultsToString(measurement, modifier, trace, values,
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prefix, suffix, units, important).c_str());
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}
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} // namespace
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namespace webrtc {
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namespace test {
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void PrintResult(const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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size_t value,
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const std::string& units,
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bool important) {
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std::ostringstream value_stream;
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value_stream << value;
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PrintResultsImpl(measurement, modifier, trace, value_stream.str(), "", "",
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units, important);
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}
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void AppendResult(std::string& output,
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const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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size_t value,
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const std::string& units,
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bool important) {
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std::ostringstream value_stream;
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value_stream << value;
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output += ResultsToString(measurement, modifier, trace,
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value_stream.str(),
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"", "", units, important);
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}
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void PrintResult(const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& value,
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const std::string& units,
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bool important) {
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PrintResultsImpl(measurement, modifier, trace, value, "", "", units,
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important);
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}
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void AppendResult(std::string& output,
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const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& value,
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const std::string& units,
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bool important) {
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output += ResultsToString(measurement, modifier, trace, value, "", "", units,
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important);
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}
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void PrintResultMeanAndError(const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& mean_and_error,
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const std::string& units,
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bool important) {
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PrintResultsImpl(measurement, modifier, trace, mean_and_error,
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"{", "}", units, important);
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}
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void AppendResultMeanAndError(std::string& output,
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const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& mean_and_error,
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const std::string& units,
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bool important) {
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output += ResultsToString(measurement, modifier, trace, mean_and_error,
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"{", "}", units, important);
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}
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void PrintResultList(const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& values,
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const std::string& units,
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bool important) {
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PrintResultsImpl(measurement, modifier, trace, values,
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"[", "]", units, important);
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}
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void AppendResultList(std::string& output,
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const std::string& measurement,
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const std::string& modifier,
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const std::string& trace,
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const std::string& values,
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const std::string& units,
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bool important) {
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output += ResultsToString(measurement, modifier, trace, values,
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"[", "]", units, important);
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}
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void PrintSystemCommitCharge(const std::string& test_name,
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size_t charge,
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bool important) {
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PrintSystemCommitCharge(stdout, test_name, charge, important);
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}
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void PrintSystemCommitCharge(FILE* target,
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const std::string& test_name,
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size_t charge,
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bool important) {
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fprintf(target, "%s", SystemCommitChargeToString(test_name, charge,
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important).c_str());
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}
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std::string SystemCommitChargeToString(const std::string& test_name,
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size_t charge,
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bool important) {
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std::string trace_name(test_name);
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std::string output;
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AppendResult(output, "commit_charge", "", "cc" + trace_name, charge, "kb",
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important);
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return output;
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}
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} // namespace test
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} // namespace webrtc
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