| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef PERF_TOOL_H |
| #define PERF_TOOL_H |
| |
| #include <string> |
| |
| #include <base/basictypes.h> |
| #include <dbus-c++/dbus.h> |
| |
| #include "random_selector.h" |
| |
| namespace debugd { |
| |
| class PerfTool { |
| public: |
| PerfTool(); |
| ~PerfTool(); |
| |
| // Randomly runs the perf tool in various modes and collects various events |
| // for |duration_secs| seconds and returns a protobuf containing the collected |
| // data. |
| std::vector<uint8> GetRichPerfData(const uint32_t& duration_secs, |
| DBus::Error& error); // NOLINT |
| private: |
| // Helper function that runs perf for a given |duration_secs| returning the |
| // collected data in |data_string|. |
| void GetPerfDataHelper(const uint32_t& duration_secs, |
| const std::string& perf_command_line, |
| DBus::Error& error, |
| std::string* data_string); // NOLINT |
| |
| RandomSelector random_selector_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PerfTool); |
| }; |
| |
| }; // namespace debugd |
| |
| #endif // !PERF_TOOL_H |
| |