// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CHROMIUMOS_WIDE_PROFILING_PERF_RECORDER_H_
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#define CHROMIUMOS_WIDE_PROFILING_PERF_RECORDER_H_
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#include <string>
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#include <vector>
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#include "base/macros.h"
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#include "compat/string.h"
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#include "perf_reader.h"
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namespace quipper {
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class PerfRecorder {
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public:
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PerfRecorder();
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// Mostly for testing.
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// Security critical: No user-provided strings should be used!
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explicit PerfRecorder(const std::vector<string>& perf_binary_command);
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// Runs the perf command specified in |perf_args| for |time_sec| seconds. The
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// output is returned as a serialized protobuf in |output_string|. The
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// protobuf format depends on the provided perf command.
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bool RunCommandAndGetSerializedOutput(const std::vector<string>& perf_args,
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const double time_sec,
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string* output_string);
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// The command prefix for running perf. e.g., "perf", or "/usr/bin/perf",
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// or perhaps {"sudo", "/usr/bin/perf"}.
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const std::vector<string>& perf_binary_command() const {
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return perf_binary_command_;
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}
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private:
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const std::vector<string> perf_binary_command_;
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DISALLOW_COPY_AND_ASSIGN(PerfRecorder);
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};
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} // namespace quipper
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#endif // CHROMIUMOS_WIDE_PROFILING_PERF_RECORDER_H_
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