android_device_xiaomi_sm835.../init/init.cpp

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/*
* Copyright (C) 2020 The LineageOS 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 <cstdlib>
#include <fstream>
#include <string.h>
#include <sys/sysinfo.h>
#include <unistd.h>
#include <android-base/properties.h>
#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
#include <sys/_system_properties.h>
#include "vendor_init.h"
#include "property_service.h"
using android::base::GetProperty;
using android::init::property_set;
char const *heapstartsize;
char const *heapgrowthlimit;
char const *heapsize;
char const *heapminfree;
char const *heapmaxfree;
char const *heaptargetutilization;
void check_device()
{
struct sysinfo sys;
sysinfo(&sys);
if (sys.totalram >= 5ull * 1024 * 1024 * 1024) {
// from - phone-xhdpi-6144-dalvik-heap.mk
heapstartsize = "16m";
heapgrowthlimit = "256m";
heapsize = "512m";
heaptargetutilization = "0.5";
heapminfree = "8m";
heapmaxfree = "32m";
} else if (sys.totalram >= 3ull * 1024 * 1024 * 1024) {
// from - phone-xhdpi-4096-dalvik-heap.mk
heapstartsize = "8m";
heapgrowthlimit = "192m";
heapsize = "512m";
heaptargetutilization = "0.6";
heapminfree = "8m";
heapmaxfree = "16m";
}
}
void vendor_load_properties()
{
check_device();
property_set("dalvik.vm.heapstartsize", heapstartsize);
property_set("dalvik.vm.heapgrowthlimit", heapgrowthlimit);
property_set("dalvik.vm.heapsize", heapsize);
property_set("dalvik.vm.heaptargetutilization", heaptargetutilization);
property_set("dalvik.vm.heapminfree", heapminfree);
property_set("dalvik.vm.heapmaxfree", heapmaxfree);
}