blob: a5ef8590950bee79acfded6ec3ae6165e04cde94 [file] [log] [blame]
/*
* Copyright 2017 Google Inc. 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 "cobalt/browser/memory_settings/checker.h"
#include <algorithm>
#include <sstream>
#include <string>
#include "cobalt/browser/memory_settings/pretty_print.h"
#include "starboard/types.h"
namespace cobalt {
namespace browser {
namespace memory_settings {
namespace {
std::string GenerateErrorMessage(const std::string& memory_type,
const IntSetting& max_memory_setting,
int64_t current_memory_usage) {
std::string max_memory_str = ToMegabyteString(max_memory_setting.value(), 2);
std::string used_memory_str = ToMegabyteString(current_memory_usage, 2);
std::string source_str = StringifySourceType(max_memory_setting);
std::stringstream ss;
ss << memory_type << " MEMORY USAGE EXCEEDED!\n"
<< " Max Available: " << max_memory_str << "\n"
<< " Used: " << used_memory_str << "\n"
<< " Source: " << source_str << "\n\n"
<< " Please see cobalt/doc/memory_tuning.md for more information";
return MakeBorder(ss.str(), '*');
}
void DoCheck(const char* memory_type_str,
int64_t curr_memory_consumption,
const IntSetting& max_memory_limit,
bool* fired_once_flag) {
if (*fired_once_flag || (max_memory_limit.value() > 0)) {
return;
}
const int64_t max_memory_value = max_memory_limit.value();
if (curr_memory_consumption > max_memory_value) {
std::string error_msg = GenerateErrorMessage(memory_type_str,
max_memory_limit,
curr_memory_consumption);
LOG(ERROR) << error_msg;
*fired_once_flag = true;
}
}
} // namespace.
Checker::Checker() : cpu_memory_warning_fired_(false),
gpu_memory_warning_fired_(false) {
}
void Checker::RunChecks(const AutoMem& auto_mem,
int64_t curr_cpu_memory_usage,
base::optional<int64_t> curr_gpu_memory_usage) {
DoCheck("CPU",
curr_cpu_memory_usage,
*auto_mem.max_cpu_bytes(),
&cpu_memory_warning_fired_);
if (curr_gpu_memory_usage) {
DoCheck("GPU",
*curr_gpu_memory_usage,
*auto_mem.max_gpu_bytes(),
&gpu_memory_warning_fired_);
}
}
} // namespace memory_settings
} // namespace browser
} // namespace cobalt