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