81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
/*
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* Copyright (C) 2020 The LineageOS Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <cstdlib>
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#include <fstream>
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#include <cstring>
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#include <sys/sysinfo.h>
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#include <android-base/properties.h>
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#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
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#include <sys/_system_properties.h>
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#include "vendor_init.h"
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#include "property_service.h"
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void property_override(char const prop[], char const value[])
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{
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auto pi = (prop_info *) __system_property_find(prop);
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if (pi != nullptr) {
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__system_property_update(pi, value, strlen(value));
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} else {
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__system_property_add(prop, strlen(prop), value, strlen(value));
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}
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}
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void load_dalvik_properties() {
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char const *heapstartsize;
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char const *heapgrowthlimit;
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char const *heapsize;
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char const *heapminfree;
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char const *heapmaxfree;
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char const *heaptargetutilization;
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struct sysinfo sys;
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sysinfo(&sys);
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if (sys.totalram >= 5ull * 1024 * 1024 * 1024) {
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// from - phone-xhdpi-6144-dalvik-heap.mk
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heapstartsize = "16m";
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heapgrowthlimit = "256m";
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heapsize = "512m";
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heaptargetutilization = "0.5";
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heapminfree = "8m";
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heapmaxfree = "32m";
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} else if (sys.totalram >= 3ull * 1024 * 1024 * 1024) {
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// from - phone-xhdpi-4096-dalvik-heap.mk
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heapstartsize = "8m";
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heapgrowthlimit = "192m";
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heapsize = "512m";
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heaptargetutilization = "0.6";
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heapminfree = "8m";
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heapmaxfree = "16m";
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} else {
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return;
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}
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property_override("dalvik.vm.heapstartsize", heapstartsize);
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property_override("dalvik.vm.heapgrowthlimit", heapgrowthlimit);
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property_override("dalvik.vm.heapsize", heapsize);
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property_override("dalvik.vm.heaptargetutilization", heaptargetutilization);
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property_override("dalvik.vm.heapminfree", heapminfree);
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property_override("dalvik.vm.heapmaxfree", heapmaxfree);
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}
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void vendor_load_properties() {
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load_dalvik_properties();
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}
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