/*
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**
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** Copyright 2015, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#ifndef SYSTEM_EXTRAS_PERFPROFD_PERFPROFDCORE_H_
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#define SYSTEM_EXTRAS_PERFPROFD_PERFPROFDCORE_H_
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#include <functional>
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#include <memory>
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#include <string>
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#include "perfprofd_record-fwd.h"
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struct Config;
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namespace perfprofd {
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struct Symbolizer;
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}
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void CommonInit(uint32_t use_fixed_seed, const char* dest_dir);
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void GlobalInit(const std::string& perf_path);
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//
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// This enumeration holds the results of what happened when on an
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// attempted perf profiling run.
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//
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typedef enum {
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// Success
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OK_PROFILE_COLLECTION,
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// Fork system call failed (lo mem?)
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ERR_FORK_FAILED,
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// Perf ran but crashed or returned a bad exit status
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ERR_PERF_RECORD_FAILED,
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// The perf.data encoding process failed somehow
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ERR_PERF_ENCODE_FAILED,
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// We tried to open the output file perf.data.encoded but the open failed
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ERR_OPEN_ENCODED_FILE_FAILED,
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// Error while writing perf.data.encoded
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ERR_WRITE_ENCODED_FILE_FAILED
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} PROFILE_RESULT;
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//
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// Given a full path to a perf.data file specified by "data_file_path",
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// read/summarize/encode the contents into a new file specified
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// by "encoded_file_path". Return status indicates whether the operation
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// was successful (either OK_PROFILE_COLLECTION or an error of some sort).
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//
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PROFILE_RESULT encode_to_proto(const std::string &data_file_path,
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const char *encoded_file_path,
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const Config& config,
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unsigned cpu_utilization,
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perfprofd::Symbolizer* symbolizer);
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using HandlerFn = std::function<bool(android::perfprofd::PerfprofdRecord* proto,
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Config* config)>;
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void ProfilingLoop(Config& config, HandlerFn handler);
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void ProfilingLoop(std::function<Config*()> config_fn,
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std::function<void()> update_fn,
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HandlerFn handler);
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//
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// Exposed for unit testing
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//
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extern unsigned collect_cpu_utilization();
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extern bool get_booting();
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extern bool get_charging();
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extern bool get_camera_active();
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bool IsDebugBuild();
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#endif
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