Add test for multiple NUMA nodes

Author: Damian Duy

test/CMakeLists.txt

@@ -103,6 +103,9 @@ if(UMF_BUILD_OS_MEMORY_PROVIDER AND LINUX) # OS-specific functions are implement
     add_umf_test(NAME provider_os_memory
                  SRCS provider_os_memory.cpp
                  LIBS umf_utils)
+    add_umf_test(NAME provider_os_memory_multiple_numa_nodes
+                 SRCS provider_os_memory_multiple_numa_nodes.cpp
+                 LIBS umf_utils numa)
     add_umf_test(NAME memspace_numa
                  SRCS memspace_numa.cpp
                  LIBS numa)

test/provider_os_memory_multiple_numa_nodes.cpp

@@ -0,0 +1,113 @@
+// Copyright (C) 2024 Intel Corporation
+// Under the Apache License v2.0 with LLVM Exceptions. See LICENSE.TXT.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+#include "base.hpp"
+
+#include <numa.h>
+#include <numaif.h>
+
+#include <umf/providers/provider_os_memory.h>
+
+static umf_os_memory_provider_params_t UMF_OS_MEMORY_PROVIDER_PARAMS_TEST =
+    umfOsMemoryProviderParamsDefault();
+
+std::vector<int> get_available_numa_nodes_numbers() {
+    if (numa_available() == -1 || numa_all_nodes_ptr == nullptr) {
+        return {-1};
+    }
+
+    std::vector<int> available_numa_nodes_numbers;
+    // Get all available NUMA nodes numbers.
+    for (size_t i = 0; i < (size_t)numa_max_node() + 1; ++i) {
+        if (numa_bitmask_isbitset(numa_all_nodes_ptr, i) == 1) {
+            available_numa_nodes_numbers.emplace_back(i);
+        }
+    }
+
+    return available_numa_nodes_numbers;
+}
+
+struct testNumaNodes : public testing::TestWithParam<int> {
+    void SetUp() override {
+        if (numa_available() == -1) {
+            GTEST_SKIP() << "Test skipped, NUMA not available";
+        }
+        if (numa_num_task_nodes() <= 1) {
+            GTEST_SKIP()
+                << "Test skipped, the number of NUMA nodes is less than two";
+        }
+
+        nodemask = numa_allocate_nodemask();
+        ASSERT_NE(nodemask, nullptr);
+    }
+
+    void
+    initOsProvider(umf_os_memory_provider_params_t os_memory_provider_params) {
+        umf_result_t umf_result;
+        umf_result = umfMemoryProviderCreate(&UMF_OS_MEMORY_PROVIDER_OPS,
+                                             &os_memory_provider_params,
+                                             &os_memory_provider);
+        ASSERT_EQ(umf_result, UMF_RESULT_SUCCESS);
+        ASSERT_NE(os_memory_provider, nullptr);
+    }
+
+    int retrieve_numa_node_number(void *addr) {
+        int numa_node;
+        int ret = get_mempolicy(&numa_node, nullptr, 0, addr,
+                                MPOL_F_NODE | MPOL_F_ADDR);
+        EXPECT_EQ(ret, 0);
+        return numa_node;
+    }
+
+    void TearDown() override {
+        umf_result_t umf_result;
+        if (ptr) {
+            umf_result =
+                umfMemoryProviderFree(os_memory_provider, ptr, alloc_size);
+            ASSERT_EQ(umf_result, UMF_RESULT_SUCCESS);
+        }
+        if (os_memory_provider) {
+            umfMemoryProviderDestroy(os_memory_provider);
+        }
+        if (nodemask) {
+            numa_bitmask_clearall(nodemask);
+            numa_bitmask_free(nodemask);
+        }
+    }
+
+    size_t alloc_size = 1024;
+    void *ptr = nullptr;
+    bitmask *nodemask = nullptr;
+    umf_memory_provider_handle_t os_memory_provider = nullptr;
+};
+
+INSTANTIATE_TEST_SUITE_P(
+    testNumaNodesAllocations, testNumaNodes,
+    ::testing::ValuesIn(get_available_numa_nodes_numbers()));
+
+// Test for allocations on numa nodes. This test will be executed for all numa nodes
+// available on the system. The available nodes are returned in vector from the
+// get_available_numa_nodes_numbers() function and passed to test as parameters.
+TEST_P(testNumaNodes, checkNumaNodesAllocations) {
+    int numa_node_number = GetParam();
+    umf_os_memory_provider_params_t os_memory_provider_params =
+        UMF_OS_MEMORY_PROVIDER_PARAMS_TEST;
+    os_memory_provider_params.maxnode = numa_node_number + 1;
+    numa_bitmask_setbit(nodemask, numa_node_number);
+    os_memory_provider_params.nodemask = nodemask->maskp;
+    os_memory_provider_params.numa_mode = UMF_NUMA_MODE_BIND;
+    initOsProvider(os_memory_provider_params);
+
+    umf_result_t umf_result;
+    umf_result =
+        umfMemoryProviderAlloc(os_memory_provider, alloc_size, 0, &ptr);
+    ASSERT_EQ(umf_result, UMF_RESULT_SUCCESS);
+    ASSERT_NE(ptr, nullptr);
+
+    // This pointer must point to an initialized value before retrieving a number of
+    // the numa node that the pointer was allocated on (calling get_mempolicy).
+    memset(ptr, 0xFF, alloc_size);
+    int retrieved_numa_node_number = retrieve_numa_node_number(ptr);
+    ASSERT_EQ(retrieved_numa_node_number, numa_node_number);
+}