141 lines
5.6 KiB
C++
141 lines
5.6 KiB
C++
/*
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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.h.
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// Several functions have been removed; the prototypes of the remainder have
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// not been changed.
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#ifndef WEBRTC_TEST_TESTSUPPORT_PERF_TEST_H_
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#define WEBRTC_TEST_TESTSUPPORT_PERF_TEST_H_
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#include <sstream>
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#include <string>
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namespace webrtc {
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namespace test {
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// Prints numerical information to stdout in a controlled format, for
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// post-processing. |measurement| is a description of the quantity being
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// measured, e.g. "vm_peak"; |modifier| is provided as a convenience and
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// will be appended directly to the name of the |measurement|, e.g.
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// "_browser"; |trace| is a description of the particular data point, e.g.
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// "reference"; |value| is the measured value; and |units| is a description
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// of the units of measure, e.g. "bytes". If |important| is true, the output
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// line will be specially marked, to notify the post-processor. The strings
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// may be empty. They should not contain any colons (:) or equals signs (=).
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// A typical post-processing step would be to produce graphs of the data
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// produced for various builds, using the combined |measurement| + |modifier|
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// string to specify a particular graph and the |trace| to identify a trace
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// (i.e., data series) on that graph.
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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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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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// Like the above version of PrintResult(), but takes a std::string value
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// instead of a size_t.
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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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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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// Like PrintResult(), but prints a (mean, standard deviation) result pair.
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// The |<values>| should be two comma-separated numbers, the mean and
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// standard deviation (or other error metric) of the measurement.
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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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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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// Like PrintResult(), but prints an entire list of results. The |values|
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// will generally be a list of comma-separated numbers. A typical
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// post-processing step might produce plots of their mean and standard
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// deviation.
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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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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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// Prints memory commit charge stats for use by perf graphs.
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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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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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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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// Converts list of values into comma-separated string for PrintResultList.
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template <typename Container>
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std::string ValuesToString(const Container& container) {
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if (container.empty())
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return "";
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std::stringstream ss;
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auto it = container.begin();
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while (true) {
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ss << *it;
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if (++it == container.end())
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break;
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ss << ',';
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}
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return ss.str();
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}
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} // namespace test
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} // namespace webrtc
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#endif // WEBRTC_TEST_TESTSUPPORT_PERF_TEST_H_
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