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