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79 lines
2.5 KiB
79 lines
2.5 KiB
#include <Memtrack.h>
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#include <stdlib.h>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "GpuSysfsReader.h"
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#include "filesystem.h"
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#undef LOG_TAG
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#define LOG_TAG "memtrack-core"
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace memtrack {
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ndk::ScopedAStatus Memtrack::getMemory(int pid, MemtrackType type,
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std::vector<MemtrackRecord>* _aidl_return) {
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if (pid < 0)
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return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_ILLEGAL_ARGUMENT));
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if (type != MemtrackType::OTHER && type != MemtrackType::GL && type != MemtrackType::GRAPHICS &&
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type != MemtrackType::MULTIMEDIA && type != MemtrackType::CAMERA)
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return ndk::ScopedAStatus(AStatus_fromExceptionCode(EX_UNSUPPORTED_OPERATION));
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_aidl_return->clear();
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// Other types are retained only for backward compatibility
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if (type != MemtrackType::GL && type != MemtrackType::GRAPHICS)
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return ndk::ScopedAStatus::ok();
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// pid 0 is only supported for GL type to report total private memory
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if (pid == 0 && type != MemtrackType::GL)
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return ndk::ScopedAStatus::ok();
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uint64_t size = 0;
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switch (type) {
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case MemtrackType::GL:
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size = GpuSysfsReader::getPrivateGpuMem(pid);
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break;
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case MemtrackType::GRAPHICS:
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// TODO(b/194483693): This is not PSS as required by memtrack HAL
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// but complete dmabuf allocations. Reporting PSS requires reading
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// procfs. This HAL does not have that permission yet.
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size = GpuSysfsReader::getDmaBufGpuMem(pid);
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break;
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default:
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break;
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}
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MemtrackRecord record = {
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.flags = MemtrackRecord::FLAG_SMAPS_UNACCOUNTED,
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.sizeInBytes = static_cast<long>(size),
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};
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_aidl_return->emplace_back(record);
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return ndk::ScopedAStatus::ok();
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}
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ndk::ScopedAStatus Memtrack::getGpuDeviceInfo(std::vector<DeviceInfo>* _aidl_return) {
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auto devPath = filesystem::path(GpuSysfsReader::kSysfsDevicePath);
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std::string devName = "default-gpu";
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if (filesystem::exists(devPath) && filesystem::is_symlink(devPath)) {
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devName = filesystem::read_symlink(devPath).filename().string();
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}
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DeviceInfo dev_info = {.id = 0, .name = devName};
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_aidl_return->clear();
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_aidl_return->emplace_back(dev_info);
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return ndk::ScopedAStatus::ok();
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}
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} // namespace memtrack
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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