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/*
* Copyright (C) 2023-2024 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/test/common/fixtures/device_fixture.h"
#include "shared/test/common/mocks/mock_device.h"
#include "shared/test/common/test_macros/test.h"
#include "gtest/gtest.h"
using namespace NEO;
using IsaPoolAllocatorTest = Test<DeviceFixture>;
void verifySharedIsaAllocation(const SharedIsaAllocation *sharedAllocation, size_t expectedOffset, size_t expectedSize) {
ASSERT_NE(nullptr, sharedAllocation);
EXPECT_NE(nullptr, sharedAllocation->getGraphicsAllocation());
EXPECT_EQ(expectedOffset, sharedAllocation->getOffset());
EXPECT_EQ(expectedSize, sharedAllocation->getSize());
}
TEST_F(IsaPoolAllocatorTest, givenIsaPoolAllocatorWhenNoAllocationsThenCreateNewAllocationPerIsaType) {
auto &isaAllocator = pDevice->getIsaPoolAllocator();
constexpr size_t requestAllocationSize = MemoryConstants::pageSize;
// Allocate for user and builtin and verify that these are different allocations
auto userAllocation = isaAllocator.requestGraphicsAllocationForIsa(false, requestAllocationSize);
verifySharedIsaAllocation(userAllocation, 0ul, requestAllocationSize);
EXPECT_EQ(AllocationType::kernelIsa, userAllocation->getGraphicsAllocation()->getAllocationType());
auto builtinAllocation = isaAllocator.requestGraphicsAllocationForIsa(true, requestAllocationSize);
verifySharedIsaAllocation(builtinAllocation, 0ul, requestAllocationSize);
EXPECT_EQ(AllocationType::kernelIsaInternal, builtinAllocation->getGraphicsAllocation()->getAllocationType());
EXPECT_NE(userAllocation->obtainSharedAllocationLock().mutex(), builtinAllocation->obtainSharedAllocationLock().mutex());
EXPECT_NE(userAllocation->getGraphicsAllocation(), builtinAllocation->getGraphicsAllocation());
isaAllocator.freeSharedIsaAllocation(userAllocation);
isaAllocator.freeSharedIsaAllocation(builtinAllocation);
}
TEST_F(IsaPoolAllocatorTest, givenIsaPoolAllocatorWhenAllocationsExistThenReuseAllocation) {
auto &isaAllocator = pDevice->getIsaPoolAllocator();
constexpr size_t requestAllocationSize = MemoryConstants::pageSize;
auto allocation = isaAllocator.requestGraphicsAllocationForIsa(false, requestAllocationSize);
verifySharedIsaAllocation(allocation, 0ul, requestAllocationSize);
auto allocationSize = allocation->getGraphicsAllocation()->getUnderlyingBufferSize();
auto numOfSharedAllocations = allocationSize / requestAllocationSize;
// Perform requests until allocation is full
for (auto i = 1u; i < numOfSharedAllocations; i++) {
auto tempSharedAllocation = isaAllocator.requestGraphicsAllocationForIsa(false, requestAllocationSize);
verifySharedIsaAllocation(tempSharedAllocation, requestAllocationSize * (i), requestAllocationSize);
EXPECT_EQ(allocation->getGraphicsAllocation(), tempSharedAllocation->getGraphicsAllocation());
isaAllocator.freeSharedIsaAllocation(tempSharedAllocation);
}
// Verify that draining freed chunks is correct and allocation can be reused
auto newAllocation = isaAllocator.requestGraphicsAllocationForIsa(false, requestAllocationSize);
verifySharedIsaAllocation(newAllocation, requestAllocationSize, requestAllocationSize);
EXPECT_EQ(allocation->getGraphicsAllocation(), newAllocation->getGraphicsAllocation());
isaAllocator.freeSharedIsaAllocation(newAllocation);
isaAllocator.freeSharedIsaAllocation(allocation);
}
TEST_F(IsaPoolAllocatorTest, givenIsaPoolAllocatorWhenNoPoolAvailableThenCreateNewPool) {
auto &isaAllocator = pDevice->getIsaPoolAllocator();
constexpr size_t sharedIsaAllocationSize = MemoryConstants::pageSize2M * 2;
constexpr size_t requestAllocationSize = sharedIsaAllocationSize / 2 + MemoryConstants::pageSize;
constexpr size_t numOfAllocations = 5;
SharedIsaAllocation *sharedAllocations[numOfAllocations];
for (auto i = 0u; i < numOfAllocations; i++) {
sharedAllocations[i] = isaAllocator.requestGraphicsAllocationForIsa(false, requestAllocationSize);
verifySharedIsaAllocation(sharedAllocations[i], 0, requestAllocationSize);
}
auto ga = sharedAllocations[0]->getGraphicsAllocation();
for (auto i = 1u; i < numOfAllocations; i++) {
EXPECT_NE(ga, sharedAllocations[i]->getGraphicsAllocation());
isaAllocator.freeSharedIsaAllocation(sharedAllocations[i]);
}
isaAllocator.freeSharedIsaAllocation(sharedAllocations[0]);
}
TEST_F(IsaPoolAllocatorTest, givenIsaPoolAllocatorWhenRequestForLargeAllocationThenAllocatedSuccesfully) {
constexpr size_t sharedIsaAllocationSize = MemoryConstants::pageSize2M * 2;
constexpr size_t requestAllocationSize = sharedIsaAllocationSize * 2;
auto &isaAllocator = pDevice->getIsaPoolAllocator();
auto allocation = isaAllocator.requestGraphicsAllocationForIsa(false, requestAllocationSize);
verifySharedIsaAllocation(allocation, 0, requestAllocationSize);
isaAllocator.freeSharedIsaAllocation(allocation);
}
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