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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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.
*/
#include "event_collector.h"
#include "benchmark_event.h"
// xtrace-internal libraries
#include "str.h"
// NNFW-internal libraries
#include <xdata.h>
#include <cpp14/memory.h>
// C++ standard libraries
#include <chrono>
#include <iostream>
// POSIX standard libraries
#include <sys/time.h>
#include <sys/resource.h>
using nnfw::cpp14::make_unique;
namespace
{
std::string timestamp(void)
{
auto now = std::chrono::steady_clock::now();
return std::to_string(
std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()).count());
}
class DurationEventBuilder
{
public:
DurationEventBuilder(const std::string &ts) : _ts{ts} {}
DurationEvent build(const std::string &name, const std::string &ph) const
{
DurationEvent evt;
evt.name = name;
evt.ph = ph;
evt.ts = _ts;
return evt;
}
private:
std::string _ts;
};
void emit_rusage(EventRecorder *rec, const std::string &ts)
{
struct rusage ru;
getrusage(RUSAGE_SELF, &ru);
{
CounterEvent evt;
evt.name = "maxrss";
evt.ph = "C";
evt.ts = ts;
evt.values["value"] = std::to_string(ru.ru_maxrss);
rec->emit(evt);
}
{
CounterEvent evt;
evt.name = "minflt";
evt.ph = "C";
evt.ts = ts;
evt.values["value"] = std::to_string(ru.ru_minflt);
rec->emit(evt);
}
}
std::ostream &operator<<(std::ostream &os, const BMPhase &phase)
{
os << ((phase == Warmup) ? "Warmup" : "Iteration");
return os;
}
std::ostream &operator<<(std::ostream &os, const std::chrono::milliseconds &dur)
{
os << dur.count();
return os;
}
} // namespace
void EventCollector::notify(const xray::event *e)
{
auto ts = timestamp();
// Record trace events (region enter/leave)
if (e->cat() == xdata::trace::category::get())
{
auto info = xdata::trace::category::get()->info();
switch (info->action())
{
case xdata::trace::enter:
_rec->emit(DurationEventBuilder(ts).build(info->region()->name(), "B"));
break;
case xdata::trace::leave:
_rec->emit(DurationEventBuilder(ts).build(info->region()->name(), "E"));
break;
}
}
// Record benchmark events
if (e->cat() == BMCategory::get())
{
auto make_head = [](const BMPhase &phase, uint32_t iter) { return str(phase, " ", iter); };
if (auto info = dynamic_cast<const BMBegin *>(BMCategory::get()->event()))
{
auto name = str(info->phase, info->cur_iter);
_rec->emit(DurationEventBuilder(ts).build(name, "B"));
auto head = make_head(info->phase, info->cur_iter);
std::cout << head << std::endl;
}
if (auto info = dynamic_cast<const BMEnd *>(BMCategory::get()->event()))
{
auto name = str(info->phase, info->cur_iter);
_rec->emit(DurationEventBuilder(ts).build(name, "E"));
auto head = make_head(info->phase, info->cur_iter);
std::cout << head << " - done " << std::endl;
std::cout << head << " takes " << info->elapsed << "ms" << std::endl;
}
}
// Trace resource usage per each event notification
emit_rusage(_rec, ts);
}
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