ROCpd support [Part 1] (#279)

- Add rocpd support for
 - cpu_frequency
 - amd_smi
 - sampling

source/lib/core/node_info.cpp

@@ -0,0 +1,72 @@
+// MIT License
+//
+// Copyright (c) 2025 Advanced Micro Devices, Inc. All Rights Reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#include "node_info.hpp"
+#include "debug.hpp"
+
+#include <fstream>
+#include <iostream>
+#include <limits>
+#include <sys/utsname.h>
+
+namespace rocprofsys
+{
+
+node_info::node_info()
+{
+    auto ifs = std::ifstream{ "/etc/machine-id" };
+    if(!ifs.is_open())
+    {
+        ROCPROFSYS_WARNING(0, "Error: Unable to open /etc/machine-id!");
+        return;
+    }
+    if(!(ifs >> machine_id) || machine_id.empty())
+    {
+        ROCPROFSYS_WARNING(0, "Error: Unable to read machine ID from /etc/machine-id!");
+    }
+
+    hash = std::hash<std::string>{}(machine_id) % std::numeric_limits<int64_t>::max();
+    id   = hash % std::numeric_limits<size_t>::max();
+
+    struct utsname _sys_info;
+    if(uname(&_sys_info))
+    {
+        ROCPROFSYS_WARNING(0, "Error: Unable to get system information!");
+        return;
+    }
+
+    system_name = _sys_info.sysname;
+    node_name   = _sys_info.nodename;
+    release     = _sys_info.release;
+    version     = _sys_info.version;
+    machine     = _sys_info.machine;
+    domain_name = _sys_info.domainname;
+}
+
+node_info&
+node_info::get_instance()
+{
+    static node_info instance;
+    return instance;
+}
+
+}  // namespace rocprofsys