/*
|
* Copyright (C) 2018 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.
|
*/
|
|
#include <fstream>
|
#include <iostream>
|
#include <sstream>
|
#include <stdio.h>
|
#include <string>
|
#include <unistd.h>
|
|
#include <android/log.h>
|
#define ATRACE_TAG ATRACE_TAG_NNAPI
|
#include "utils/Trace.h"
|
|
int parseMemInfo(const char* name) {
|
std::ifstream meminfoStream("/proc/meminfo");
|
if (!meminfoStream.good()) {
|
perror("Failed to open /proc/meminfo");
|
return -1;
|
}
|
std::string line;
|
while (std::getline(meminfoStream, line)) {
|
if (line.find(name) != std::string::npos) {
|
std::istringstream lineStream(line);
|
std::string name;
|
int size;
|
lineStream >> name;
|
lineStream >> size;
|
return size;
|
}
|
}
|
std::cerr << "Failed to find " << name << " in /proc/meminfo\n";
|
return -1;
|
}
|
|
int main(void) {
|
if (!(atrace_get_enabled_tags() & ATRACE_TAG)) {
|
std::cerr << "systrace not running, logcat output only\n";
|
}
|
int size = 0;
|
while (true) {
|
const int newSize = parseMemInfo("ION_heap");
|
if (newSize < 0) {
|
return newSize;
|
}
|
if (newSize != size) {
|
size = newSize;
|
std::cout << size << "\n";
|
ATRACE_INT("ION_heap", size);
|
__android_log_print(ANDROID_LOG_INFO, "ion", "ION_heap %d", size);
|
}
|
usleep(10);
|
}
|
}
|
