Danylo Lytovchenko
84 líneas
3.5 KiB
C++
84 líneas
3.5 KiB
C++
/*
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Copyright (c) 2021 Advanced Micro Devices, Inc. All rights reserved.
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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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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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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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 FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <hip_test_common.hh>
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#ifdef __linux__
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#endif
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/* Test Description: The following test case tests the working of
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hipMemAdvise() works with mmap() memory
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*/
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TEST_CASE("Unit_hipMemAdvise_MmapMem") {
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int managed = 0, PageableMem = 0;
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INFO(
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"The following are the attribute values related to HMM for"
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" device 0:\n");
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HIP_CHECK(hipDeviceGetAttribute(&managed, hipDeviceAttributeDirectManagedMemAccessFromHost, 0));
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INFO("hipDeviceAttributeDirectManagedMemAccessFromHost: " << managed);
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HIP_CHECK(hipDeviceGetAttribute(&managed, hipDeviceAttributeConcurrentManagedAccess, 0));
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INFO("hipDeviceAttributeConcurrentManagedAccess: " << managed);
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HIP_CHECK(hipDeviceGetAttribute(&PageableMem, hipDeviceAttributePageableMemoryAccess, 0));
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INFO("hipDeviceAttributePageableMemoryAccess: " << PageableMem);
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HIP_CHECK(
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hipDeviceGetAttribute(&managed, hipDeviceAttributePageableMemoryAccessUsesHostPageTables, 0));
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INFO("hipDeviceAttributePageableMemoryAccessUsesHostPageTables:" << managed);
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HIP_CHECK(hipDeviceGetAttribute(&managed, hipDeviceAttributeManagedMemory, 0));
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INFO("hipDeviceAttributeManagedMemory: " << managed);
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if (PageableMem == 1) {
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#ifdef __linux__
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// For now this test is enabled only for linux platforms
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FILE* fptr;
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int NUM_ELMS = 212992;
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fptr = fopen("ForTest1.txt", "w");
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for (int m = 0; m < NUM_ELMS; ++m) {
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putw(m, fptr);
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}
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fclose(fptr);
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int fd = open("./ForTest1.txt", O_RDWR, S_IRUSR | S_IWUSR);
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struct stat sb;
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if (fstat(fd, &sb) == -1) {
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perror("couldn't get file size.\n");
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close(fd);
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REQUIRE(false);
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}
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void* MmpdFile = nullptr;
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MmpdFile = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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if (MmpdFile == nullptr) {
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INFO("mmap() call failed!\n. Cant proceed with the test.");
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REQUIRE(false);
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}
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HIP_CHECK(hipMemAdvise(MmpdFile, sb.st_size, hipMemAdviseSetReadMostly, 0));
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HIP_CHECK(hipMemAdvise(MmpdFile, sb.st_size, hipMemAdviseSetPreferredLocation, 0));
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HIP_CHECK(hipMemAdvise(MmpdFile, sb.st_size, hipMemAdviseSetAccessedBy, 0));
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munmap(MmpdFile, sb.st_size);
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close(fd);
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#endif
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} else {
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SUCCEED(
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"GPU 0 doesn't support hipDeviceAttributePageableMemoryAccess "
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"attribute. Hence skipping the testing with Pass result.\n");
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}
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}
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