xmrig/src/backend/cpu/platform/HwlocCpuInfo.h
2019-10-04 18:43:03 +07:00

91 lines
3 KiB
C++

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2017-2019 XMR-Stak <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
* Copyright 2018-2019 SChernykh <https://github.com/SChernykh>
* Copyright 2016-2019 XMRig <support@xmrig.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef XMRIG_HWLOCCPUINFO_H
#define XMRIG_HWLOCCPUINFO_H
#include "backend/cpu/platform/BasicCpuInfo.h"
#include "base/tools/Object.h"
using hwloc_const_bitmap_t = const struct hwloc_bitmap_s *;
using hwloc_obj_t = struct hwloc_obj *;
using hwloc_topology_t = struct hwloc_topology *;
namespace xmrig {
class HwlocCpuInfo : public BasicCpuInfo
{
public:
XMRIG_DISABLE_COPY_MOVE(HwlocCpuInfo)
enum Feature : uint32_t {
SET_THISTHREAD_MEMBIND = 1
};
HwlocCpuInfo();
~HwlocCpuInfo() override;
static inline bool has(Feature feature) { return m_features & feature; }
inline const std::vector<uint32_t> &nodeset() const { return m_nodeset; }
inline hwloc_topology_t topology() const { return m_topology; }
bool membind(hwloc_const_bitmap_t nodeset);
protected:
CpuThreads threads(const Algorithm &algorithm, uint32_t limit) const override;
inline const char *backend() const override { return m_backend; }
inline size_t cores() const override { return m_cores; }
inline size_t L2() const override { return m_cache[2]; }
inline size_t L3() const override { return m_cache[3]; }
inline size_t nodes() const override { return m_nodes; }
inline size_t packages() const override { return m_packages; }
private:
void processTopLevelCache(hwloc_obj_t obj, const Algorithm &algorithm, CpuThreads &threads, size_t limit) const;
static uint32_t m_features;
char m_backend[20] = { 0 };
hwloc_topology_t m_topology = nullptr;
size_t m_cache[5] = { 0 };
size_t m_cores = 0;
size_t m_nodes = 0;
size_t m_packages = 0;
std::vector<uint32_t> m_nodeset;
};
} /* namespace xmrig */
#endif /* XMRIG_HWLOCCPUINFO_H */