Yiltan
117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/******************************************************************************
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* Copyright (c) Advanced Micro Devices, Inc. All rights reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#include "numa_wrapper.hpp"
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#include "util.hpp"
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#include "rocshmem/rocshmem.hpp"
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#include <dlfcn.h>
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#include <numa.h> // If not found, try installing libnuma-dev (e.g apt-get install libnuma-dev)
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#include <numaif.h>
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namespace rocshmem {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wvla-cxx-extension"
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NUMAWrapper numa;
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NUMAWrapper::NUMAWrapper() {
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int err;
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numa_handle = dlopen("libnuma.so", RTLD_NOW);
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if (!numa_handle) {
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DPRINTF("Could not open libnuma. Returning\n");
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exit(1);
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}
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err = init_function_table();
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if (err != ROCSHMEM_SUCCESS) {
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DPRINTF("Could not construct libnuma function table \n");
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exit(1);
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}
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}
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NUMAWrapper::~NUMAWrapper() {
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if (numa_handle != nullptr) {
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dlclose(numa_handle);
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}
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}
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int NUMAWrapper::init_function_table() {
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DLSYM_HELPER(numa, numa_, numa_handle, bitmask_isbitset);
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DLSYM_HELPER(numa, numa_, numa_handle, get_mems_allowed);
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DLSYM_HELPER(numa, numa_, numa_handle, set_preferred);
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DLSYM_HELPER(numa, numa_, numa_handle, num_configured_nodes);
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DLSYM_HELPER(numa, numa_, numa_handle, num_configured_cpus);
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DLSYM_HELPER(numa, numa_, numa_handle, node_of_cpu);
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DLSYM_HELPER(numa, numa_, numa_handle, max_node);
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DLSYM_HELPER(numa, , numa_handle, move_pages);
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DLSYM_HELPER(numa, numa_, numa_handle, distance);
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return ROCSHMEM_SUCCESS;
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}
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int NUMAWrapper::bitmask_isbitset(const struct bitmask *bmp, unsigned int n) {
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return numa.bitmask_isbitset(bmp, n);
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}
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struct bitmask * NUMAWrapper::get_mems_allowed(void) {
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return numa.get_mems_allowed();
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}
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void NUMAWrapper::set_preferred(int node) {
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return numa.set_preferred(node);
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}
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int NUMAWrapper::num_configured_nodes() {
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return numa.num_configured_nodes();
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}
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int NUMAWrapper::num_configured_cpus(void) {
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return numa.num_configured_cpus();
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}
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int NUMAWrapper::node_of_cpu(int cpu) {
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return numa.node_of_cpu(cpu);
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}
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int NUMAWrapper::max_node(void) {
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return numa.max_node();
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}
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long NUMAWrapper::move_pages(int pid, unsigned long count, void *pages[count],
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const int nodes[count], int status[count], int flags) {
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return move_pages(pid, count, pages, nodes, status, flags);
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}
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int NUMAWrapper::distance(int node1, int node2) {
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return numa.distance(node1, node2);
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}
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#pragma clang diagnostic pop
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} // namespace rocshmem
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