Added AMD GPUs health information for Linux (via sysfs).

CMakeLists.txt

@@ -19,7 +19,7 @@ option(WITH_EMBEDDED_CONFIG "Enable internal embedded JSON config" OFF)
 option(WITH_OPENCL          "Enable OpenCL backend" ON)
 option(WITH_CUDA            "Enable CUDA backend" ON)
 option(WITH_NVML            "Enable NVML (NVIDIA Management Library) support (only if CUDA backend enabled)" ON)
-option(WITH_ADL             "Enable ADL (AMD Display Library) support (only if OpenCL backend enabled)" ON)
+option(WITH_ADL             "Enable ADL (AMD Display Library) or sysfs support (only if OpenCL backend enabled)" ON)
 option(WITH_STRICT_CACHE    "Enable strict checks for OpenCL cache" ON)
 option(WITH_INTERLEAVE_DEBUG_LOG "Enable debug log for threads interleave" OFF)
 

src/backend/opencl/opencl.cmake

@@ -127,7 +127,7 @@ if (WITH_OPENCL)
         add_definitions(/DXMRIG_INTERLEAVE_DEBUG)
     endif()
 
-    if (WITH_ADL AND XMRIG_OS_WIN)
+    if (WITH_ADL AND (XMRIG_OS_WIN OR XMRIG_OS_LINUX))
         add_definitions(/DXMRIG_FEATURE_ADL)
 
         list(APPEND HEADERS_BACKEND_OPENCL
@@ -135,7 +135,11 @@ if (WITH_OPENCL)
              src/backend/opencl/wrappers/AdlLib.h
              )
 
-        list(APPEND SOURCES_BACKEND_OPENCL src/backend/opencl/wrappers/AdlLib.cpp)
+        if (XMRIG_OS_WIN)
+            list(APPEND SOURCES_BACKEND_OPENCL src/backend/opencl/wrappers/AdlLib.cpp)
+        else()
+            list(APPEND SOURCES_BACKEND_OPENCL src/backend/opencl/wrappers/AdlLib_linux.cpp)
+        endif()
     else()
        remove_definitions(/DXMRIG_FEATURE_ADL)
     endif()

src/backend/opencl/wrappers/AdlLib.cpp

@@ -25,7 +25,6 @@
 #include "backend/opencl/wrappers/AdlLib.h"
 #include "3rdparty/adl/adl_sdk.h"
 #include "3rdparty/adl/adl_structures.h"
-#include "base/io/log/Log.h"
 #include "backend/opencl/wrappers/OclDevice.h"
 
 
@@ -188,7 +187,7 @@ void xmrig::AdlLib::close()
 
 AdlHealth xmrig::AdlLib::health(const OclDevice &device)
 {
-    if (!isReady()) {
+    if (!isReady() || device.vendorId() != OCL_VENDOR_AMD) {
         return {};
     }
 

src/backend/opencl/wrappers/AdlLib_linux.cpp

@@ -0,0 +1,138 @@
+/* XMRig
+ * Copyright 2008-2018 Advanced Micro Devices, Inc.
+ * Copyright 2018-2020 SChernykh                    <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig                        <https://github.com/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/>.
+ */
+
+
+#include "backend/opencl/wrappers/AdlLib.h"
+#include "backend/opencl/wrappers/OclDevice.h"
+
+
+#include <fstream>
+#include <string>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+namespace xmrig {
+
+
+bool AdlLib::m_initialized          = false;
+bool AdlLib::m_ready                = false;
+static const std::string kPrefix    = "/sys/bus/pci/drivers/amdgpu/";
+
+
+static inline bool sysfs_is_file(const char *path)
+{
+    struct stat sb;
+
+    return stat(path, &sb) == 0 && ((sb.st_mode & S_IFMT) == S_IFREG);
+}
+
+
+static inline std::string sysfs_prefix(const PciTopology &topology)
+{
+    std::string path = kPrefix + "0000:" + topology.toString().data() + "/hwmon/hwmon";
+
+    if (sysfs_is_file((path + "2/name").c_str())) {
+        return path + "2/";
+    }
+
+    if (sysfs_is_file((path + "3/name").c_str())) {
+        return path + "3/";
+    }
+
+    return {};
+}
+
+
+uint32_t sysfs_read(const std::string &path)
+{
+    std::ifstream file(path);
+    if (!file.is_open()) {
+        return 0;
+    }
+
+    uint32_t value = 0;
+    file >> value;
+
+    return value;
+}
+
+
+} // namespace xmrig
+
+
+bool xmrig::AdlLib::init()
+{
+    if (!m_initialized) {
+        m_ready       = dlopen() && load();
+        m_initialized = true;
+    }
+
+    return m_ready;
+}
+
+
+const char *xmrig::AdlLib::lastError() noexcept
+{
+    return nullptr;
+}
+
+
+void xmrig::AdlLib::close()
+{
+}
+
+
+AdlHealth xmrig::AdlLib::health(const OclDevice &device)
+{
+    if (!isReady() || device.vendorId() != OCL_VENDOR_AMD) {
+        return {};
+    }
+
+    const auto prefix = sysfs_prefix(device.topology());
+    if (prefix.empty()) {
+        return {};
+    }
+
+    AdlHealth health;
+    health.clock        = sysfs_read(prefix + "freq1_input") / 1000000;
+    health.memClock     = sysfs_read(prefix + "freq2_input") / 1000000;
+    health.power        = sysfs_read(prefix + "power1_average") / 1000000;
+    health.rpm          = sysfs_read(prefix + "fan1_input");
+    health.temperature  = sysfs_read(prefix + "temp2_input") / 1000;
+
+    return health;
+}
+
+
+bool xmrig::AdlLib::dlopen()
+{
+    struct stat sb;
+    if (stat(kPrefix.c_str(), &sb) == -1) {
+        return false;
+    }
+
+    return (sb.st_mode & S_IFMT) == S_IFDIR;
+}
+
+
+bool xmrig::AdlLib::load()
+{
+    return true;
+}